繁體中文
不翻译
简体中文
English
繁體中文
日本語
한국어
切換到窄版

WK綜合論壇, WK综合论坛

 找回密碼
 立即注册
樓主: wk007

鄉下的妹子太便宜,一次四個都要了[12P]

[複製鏈接]
發表於 2025-1-4 03:25:35 | 顯示全部樓層
Sexual Precocity in a 16-Month-Old0 [$ c. o0 ?- E8 j1 [
Boy Induced by Indirect Topical
1 u! n2 R! \2 z5 v' l9 p  KExposure to Testosterone4 I4 {, X: X9 W
Samar K. Bhowmick, MD, FACE,1 Tracy Ricke, MD,2
6 O5 O* `6 h/ B: m' r  @and Kenneth R. Rettig, MD10 A. `; S7 _$ F3 j5 M
Clinical Pediatrics0 ~+ N# H: V1 g4 ~6 ]
Volume 46 Number 6
2 E- X2 d3 E6 a' `July 2007 540-5431 B0 ^  H0 R4 ?$ c
© 2007 Sage Publications7 |/ e6 f& E3 e7 u8 R& T1 \
10.1177/00099228062966514 V+ k. S$ V( l; t6 F
http://clp.sagepub.com8 ?! |+ i1 p5 g2 x: X
hosted at
& g( d4 x4 S) T& Shttp://online.sagepub.com" D, U' A7 i0 }  M) @. `. e8 q* W
Precocious puberty in boys, central or peripheral,1 y2 w5 s$ a) N, L
is a significant concern for physicians. Central* D9 v0 B6 E% e7 r( J
precocious puberty (CPP), which is mediated
) S. u: u6 M8 U9 _! q8 z: o3 u' Tthrough the hypothalamic pituitary gonadal axis, has$ v! ]0 A9 S" W1 }8 T: K
a higher incidence of organic central nervous system9 ^2 o; P+ g3 f8 S, p$ C3 H/ \+ ]
lesions in boys.1,2 Virilization in boys, as manifested
- X0 ~8 t% C9 w0 c6 c. |7 \  d; aby enlargement of the penis, development of pubic
# _1 {' j9 V: @9 v/ |3 \8 }hair, and facial acne without enlargement of testi-
: D! V" a1 h+ V. w+ Mcles, suggests peripheral or pseudopuberty.1-3 We
) M. P" ?6 t, C8 t( j1 zreport a 16-month-old boy who presented with the
9 A. O5 B( u# h$ X6 {8 h" Wenlargement of the phallus and pubic hair develop-
% I$ ?! F# n* a2 ]# Wment without testicular enlargement, which was due: \. P2 z# A) X! C# A9 H& }4 z
to the unintentional exposure to androgen gel used by
. d+ E2 c$ O- p7 k: Uthe father. The family initially concealed this infor-* \9 E; Y8 h3 s6 V6 G1 O3 O9 e
mation, resulting in an extensive work-up for this
; [# x. Y  y! j- cchild. Given the widespread and easy availability of
+ |- ]9 o) ^; _7 }9 \4 T" D2 Stestosterone gel and cream, we believe this is proba-
+ P. z) N- o0 T6 S$ obly more common than the rare case report in the
( Q+ ~+ }; g! \9 E2 T2 I8 `) g- jliterature.4* X  Y  r. j/ ~% R
Patient Report* O  I$ A1 c* N4 d
A 16-month-old white child was referred to the7 J8 [2 I# B. Y$ q, `% E+ G3 o
endocrine clinic by his pediatrician with the concern
$ }& b2 H( @6 l( s. t' \of early sexual development. His mother noticed8 W7 b) w9 F0 G' x$ k& z+ ?) M
light colored pubic hair development when he was
$ Z2 v4 B$ r$ t- ~1 G- _From the 1Division of Pediatric Endocrinology, 2University of
; q8 [5 C" z! k( t: w- L7 xSouth Alabama Medical Center, Mobile, Alabama.! w) Z/ @$ Q! w( j/ e! G
Address correspondence to: Samar K. Bhowmick, MD, FACE,
- G) P" _/ y. e' M3 VProfessor of Pediatrics, University of South Alabama, College of
& k& A5 G" J8 i# `1 ]+ |+ ~Medicine, 2451 Fillingim St. Mastin 212, Mobile, AL 36617-2297;
5 `, M+ R2 [- ?/ u' Ue-mail: [email protected].
3 E1 u6 s* Q1 [' _' I$ \about 6 to 7 months old, which progressively became/ p( }/ E- @8 T% p  O4 v
darker. She was also concerned about the enlarge-
5 R( l. I# q0 f+ m; P( ~- g; @2 Mment of his penis and frequent erections. The child
6 R8 d* }  V  l& ^( ^: qwas the product of a full-term normal delivery, with4 J) \5 p0 m& ?
a birth weight of 7 lb 14 oz, and birth length of" X; }# s2 x2 k1 O. I) |
20 inches. He was breast-fed throughout the first year6 `* R% s  n# u( S1 z7 l
of life and was still receiving breast milk along with
* v8 l* \2 w! _6 v5 i8 E% M0 Zsolid food. He had no hospitalizations or surgery," X$ B- y$ [7 W/ v" @& N9 P1 T
and his psychosocial and psychomotor development
& f/ }* K- q$ R6 O& @# |was age appropriate.
* P& f7 k$ _4 W3 I8 F9 }" HThe family history was remarkable for the father,
, w( i% W) m) d; _0 o5 P4 m7 kwho was diagnosed with hypothyroidism at age 16,
- c* q6 @3 i' Y2 [/ Y: Q& f2 R4 awhich was treated with thyroxine. The father’s! r0 H- w8 ~0 N
height was 6 feet, and he went through a somewhat
" B) G$ r+ s1 f3 a" wearly puberty and had stopped growing by age 14.
" b" N+ w) ~6 _7 mThe father denied taking any other medication. The
& o. Y0 Z/ P& W1 C2 K" e1 Rchild’s mother was in good health. Her menarche' I/ n$ j0 m9 o$ k
was at 11 years of age, and her height was at 5 feet+ B7 T( s) u. r9 a5 a, A
5 inches. There was no other family history of pre-
$ o& d2 i* G. V; X/ H" q7 }cocious sexual development in the first-degree rela-
/ s  J0 u3 S& ~6 ntives. There were no siblings.! |, G) A# j: G% o) Z* U4 V7 f( O  i
Physical Examination
  L0 y8 N, J# s; n% E  h8 j& LThe physical examination revealed a very active,
' D6 C7 c3 ~8 O. Z9 v6 Z4 jplayful, and healthy boy. The vital signs documented* ?  q* ]% H7 A0 W' u% m
a blood pressure of 85/50 mm Hg, his length was5 v, K) d1 A2 V& v3 e  U
90 cm (>97th percentile), and his weight was 14.4 kg
* i0 ?+ Y4 A+ ^* Z9 y(also >97th percentile). The observed yearly growth
. z9 k% A# {9 N9 k4 A8 nvelocity was 30 cm (12 inches). The examination of4 T' r( O, f( b1 z
the neck revealed no thyroid enlargement.+ F$ Z9 Y5 r2 M0 {3 {( t
The genitourinary examination was remarkable for& r. c% d- j! R/ }; U4 \2 d; s
enlargement of the penis, with a stretched length of
* j$ S9 s5 M; Z. t1 ~8 cm and a width of 2 cm. The glans penis was very well; i; R4 H: Z/ U4 R; r
developed. The pubic hair was Tanner II, mostly around
' d$ j8 Y8 V( D4 K0 b8 H540
; S5 u, p* Q6 C8 r" _& \& Xat University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from
, E) K! v6 U9 j1 J' Z/ H! q0 Pthe base of the phallus and was dark and curled. The" a( x4 `) u$ _( t" J
testicular volume was prepubertal at 2 mL each.
# H5 a  r) R8 Z& {# b1 N; X2 n5 ^The skin was moist and smooth and somewhat4 S& L( X7 }2 n& r. s8 Z0 ^' O0 l
oily. No axillary hair was noted. There were no
" a% d* J- y/ y7 j! nabnormal skin pigmentations or café-au-lait spots.
( i" x( A7 _- M4 s" g5 }Neurologic evaluation showed deep tendon reflex 2+# M& _7 ?; H( O0 F3 `
bilateral and symmetrical. There was no suggestion& Y3 l& A" T- M
of papilledema.
0 Z& N3 A; f9 V' _5 C  c. D; vLaboratory Evaluation
4 y! |: R* f) ]' SThe bone age was consistent with 28 months by
1 H* p2 T  h: U/ `, R7 c* H! ], J. yusing the standard of Greulich and Pyle at a chrono-
) [- ~* ~6 B" z- f9 Hlogic age of 16 months (advanced).5 Chromosomal6 e/ S/ @1 L: j, |# }. h& }
karyotype was 46XY. The thyroid function test3 c1 T2 V/ q5 o' Y+ }
showed a free T4 of 1.69 ng/dL, and thyroid stimu-
% O, D. p( G: Z( Y" u3 tlating hormone level was 1.3 µIU/mL (both normal).
7 j' W1 Q% ?& @+ k6 H! |' i1 x9 AThe concentrations of serum electrolytes, blood
7 u! Z" E' i9 n) Q1 {urea nitrogen, creatinine, and calcium all were
9 V4 e0 E& M" _within normal range for his age. The concentration/ ?: \# f- G2 T, F1 r. c
of serum 17-hydroxyprogesterone was 16 ng/dL$ s' l, e. u( F3 y3 Q
(normal, 3 to 90 ng/dL), androstenedione was 20
0 F# g0 j! W1 _3 U9 X! Yng/dL (normal, 18 to 80 ng/dL), dehydroepiandros-( t. ?# B! @/ ~3 ]$ `" N- S
terone was 38 ng/dL (normal, 50 to 760 ng/dL),
9 p* _+ A9 a* T; Mdesoxycorticosterone was 4.3 ng/dL (normal, 7 to6 {7 }* L+ K' P2 Q2 g
49ng/dL), 11-desoxycortisol (specific compound S)
2 w1 c7 T: }" x* N$ P2 wwas 43 ng/dL (normal, 10 to 156 ng/dL), serum cor-/ P" n6 E5 f2 u& Y* d
tisol was 7.6 µg/dL (normal, 2.8 to 23 µg/dL), total
* e1 B5 c3 B  L' Utestosterone was 60 ng/dL (normal <3 to 10 ng/dL),
$ ]7 Q/ S# p2 gand β-human chorionic gonadotropin was less than& ~, u$ u: }! F  i2 j, G- @
5 mIU/mL (normal <5 mIU/mL). Serum follicular8 K4 Y3 ], z" t* H7 O2 f5 B9 J
stimulating hormone and leuteinizing hormone
2 I+ V2 Z0 m! m: Tconcentrations were less than 0.05 mIU/mL  ^/ W1 P7 X/ _6 t; L) ?
(prepubertal).' j& u2 p6 z# U, o" a  U
The parents were notified about the laboratory5 G3 J  }, W+ i& R6 M
results and were informed that all of the tests were1 ^3 k3 j: c4 t0 p$ S4 ~6 M
normal except the testosterone level was high. The
8 @: U& d0 j. G0 U; wfollow-up visit was arranged within a few weeks to
" q4 \' `! I3 F! _8 }) v/ j. fobtain testicular and abdominal sonograms; how-, M) P6 C! T; Y$ t# l8 T& i
ever, the family did not return for 4 months.( h& F& l( f4 C6 F, \4 j
Physical examination at this time revealed that the
/ |& \1 p: V* n7 v' ]% t$ E' b6 \child had grown 2.5 cm in 4 months and had gained$ z/ [8 p- D" [# e
2 kg of weight. Physical examination remained
+ T; N% r* q; ~7 ^. m  `  y) Dunchanged. Surprisingly, the pubic hair almost com-& Z7 j8 U+ [9 Z8 S5 [6 B) z
pletely disappeared except for a few vellous hairs at
& @6 C2 h5 k# B1 p$ i: f* Ythe base of the phallus. Testicular volume was still 2
' Z# r7 ]$ y) hmL, and the size of the penis remained unchanged.
: ^" d4 o3 v' n3 [/ a7 BThe mother also said that the boy was no longer hav-9 V% g# C) V' {, {8 @+ Z7 y
ing frequent erections.4 V! Y; {& U/ t% d& M( [# }
Both parents were again questioned about use of
- k7 z3 q/ X! F( \4 I- I: N! eany ointment/creams that they may have applied to& X3 C& H) Z. [9 S
the child’s skin. This time the father admitted the" d( }7 q4 a5 g# t% U
Topical Testosterone Exposure / Bhowmick et al 5411 {- {+ D0 c* }) l0 X, M! Y
use of testosterone gel twice daily that he was apply-: }( ~1 y/ @7 v
ing over his own shoulders, chest, and back area for
; B7 _% @& U' P) Ta year. The father also revealed he was embarrassed8 a$ g- ?. S8 H% g8 i5 z; d
to disclose that he was using a testosterone gel pre-
1 G8 p% n& L" X4 Q& x. C* ~scribed by his family physician for decreased libido
7 d4 X5 g. d% Wsecondary to depression.' c2 ?1 T# r' A5 d
The child slept in the same bed with parents.
4 ]. u6 D! W. v* oThe father would hug the baby and hold him on his$ u" h7 r' d+ j6 k2 U
chest for a considerable period of time, causing sig-: u) Q$ [9 I3 u  E! W! U- c. L+ J
nificant bare skin contact between baby and father.. i9 k' T" r; X- R( d7 ?0 |4 r9 f1 Q
The father also admitted that after the phone call,
; {- [/ Q7 @  x9 k5 @when he learned the testosterone level in the baby
1 r4 p* ]3 b' g: ~  \1 ]# N$ M* Rwas high, he then read the product information
8 |7 d% p( c" ~. S+ ?$ z# {+ `; Spacket and concluded that it was most likely the rea-
: m7 h3 \) ^5 c: d$ e* a- Yson for the child’s virilization. At that time, they
" g1 O0 B5 h1 d3 g: ndecided to put the baby in a separate bed, and the4 ]4 ~; G7 o0 O, m. `3 }
father was not hugging him with bare skin and had
. U7 W" [( b, y5 G: cbeen using protective clothing. A repeat testosterone
1 t5 |& N5 E: c8 v$ |$ k" ztest was ordered, but the family did not go to the
' @  U+ \& e# u( M" A8 s8 h2 wlaboratory to obtain the test.
" f8 A+ h6 {  ]. e: vDiscussion
" @* K; B/ c  U, YPrecocious puberty in boys is defined as secondary6 m4 S* E4 H9 |3 `  U
sexual development before 9 years of age.1,48 Y0 f% {0 L6 Z: L. }& i9 K- h
Precocious puberty is termed as central (true) when7 j' [6 e# J1 v' O
it is caused by the premature activation of hypo-' x) Y* O6 d0 K, {
thalamic pituitary gonadal axis. CPP is more com-7 y) {% h3 P& W* g
mon in girls than in boys.1,3 Most boys with CPP; L  B* Y' F7 h! N' t0 J* }% M
may have a central nervous system lesion that is
7 S: A# c5 i9 o+ I! l8 i0 B, ~5 Presponsible for the early activation of the hypothal-
9 r1 b  n( s) D# R% X- qamic pituitary gonadal axis.1-3 Thus, greater empha-$ f- ^! v+ y$ E/ G0 L0 E
sis has been given to neuroradiologic imaging in7 |3 _" ~1 X' K0 {6 S
boys with precocious puberty. In addition to viril-: }% }4 i2 t2 c# E7 f
ization, the clinical hallmark of CPP is the symmet-
$ A) Z, w5 i9 l0 \" crical testicular growth secondary to stimulation by# J1 B! G* ^# e
gonadotropins.1,3
$ N/ W& k: S. W: yGonadotropin-independent peripheral preco-; b& E* S# ^- q
cious puberty in boys also results from inappropriate  O' v6 R) N9 C" P- ~
androgenic stimulation from either endogenous or" z6 r+ j4 B4 _4 @  e
exogenous sources, nonpituitary gonadotropin stim-
- |+ K2 C9 T% O0 @ulation, and rare activating mutations.3 Virilizing
: F' N( ]0 g9 f( Kcongenital adrenal hyperplasia producing excessive9 N0 F; H5 ]! U6 `& a& E0 `
adrenal androgens is a common cause of precocious; K8 }. r& w. m8 o  h
puberty in boys.3,40 G& G. a) X, }$ p' ?
The most common form of congenital adrenal
0 G- _7 i( b) \/ V# z/ z' Mhyperplasia is the 21-hydroxylase enzyme deficiency.
. j( j  c" S) O! S6 Y1 G5 T+ qThe 11-β hydroxylase deficiency may also result in$ L: j  ]) X7 H8 G
excessive adrenal androgen production, and rarely,
% T" q% I+ X9 F( `+ a( z& Lan adrenal tumor may also cause adrenal androgen
0 Y5 m4 ?$ S. E4 R# Hexcess.1,39 O# a/ z9 J( E; U& `. u
at University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from
" s0 Q7 b, m) ^* O8 y9 _3 ]542 Clinical Pediatrics / Vol. 46, No. 6, July 2007
5 a9 B& B  J" _8 AA unique entity of male-limited gonadotropin-
! J% C* ^8 |9 f- I+ V% uindependent precocious puberty, which is also known
* Z7 O7 S2 [; [8 K: yas testotoxicosis, may cause precocious puberty at a
$ F$ ~5 z8 \) `" |. v- pvery young age. The physical findings in these boys9 i( y( u% R. l4 R
with this disorder are full pubertal development,/ w  b, a5 o0 F, c/ F
including bilateral testicular growth, similar to boys
8 t6 I" ]- Z& g% N. v) [* ~  C# mwith CPP. The gonadotropin levels in this disorder4 M) K: w- m# _  a4 L$ F9 ~9 D
are suppressed to prepubertal levels and do not show: @. V5 p; }4 E5 ]: A+ {  P
pubertal response of gonadotropin after gonadotropin-! p" m) E% C% t- E7 {1 }
releasing hormone stimulation. This is a sex-linked) ], {, w% t: L$ k8 \/ [
autosomal dominant disorder that affects only# ~( ~  `; D- o
males; therefore, other male members of the family+ T! D2 O& y. E1 v" W' T
may have similar precocious puberty.3
7 M8 L, N9 D- L- i/ S. B) I  _8 Z5 VIn our patient, physical examination was incon-
' Q% e; |. T$ U: f+ X* _6 Q- Bsistent with true precocious puberty since his testi-4 @$ d+ o/ z7 F; `& x. E' U
cles were prepubertal in size. However, testotoxicosis" D; K3 S( t1 \6 z. D) n+ I
was in the differential diagnosis because his father: g5 `2 e1 S: F  q
started puberty somewhat early, and occasionally,
# }& E  j; S  C6 Ttesticular enlargement is not that evident in the( j( P, _4 ]6 G% A% c% g
beginning of this process.1 In the absence of a neg-
: L' r2 D7 L- Y) Z- }ative initial history of androgen exposure, our
% ^" x. q9 j4 n1 o. B9 z  ~biggest concern was virilizing adrenal hyperplasia,
- F5 W9 j# u' teither 21-hydroxylase deficiency or 11-β hydroxylase
, y2 s- C" c5 f/ d- F: Ddeficiency. Those diagnoses were excluded by find-6 a8 l. W. f9 F; m5 k
ing the normal level of adrenal steroids.' U! v2 P; Z. F
The diagnosis of exogenous androgens was strongly* c: L* ]" @* Z' v" r, x
suspected in a follow-up visit after 4 months because
2 j: y& Q* @" ethe physical examination revealed the complete disap-: S: d9 z3 A+ X) w4 z
pearance of pubic hair, normal growth velocity, and1 H& \/ x5 c8 y6 I
decreased erections. The father admitted using a testos-" y9 r0 o! m" c' i$ x
terone gel, which he concealed at first visit. He was1 p0 c( e; v9 ^. g
using it rather frequently, twice a day. The Physicians’  e& L4 L9 [" Y# R' I
Desk Reference, or package insert of this product, gel or" O- Z7 T* H( _& c+ |- K
cream, cautions about dermal testosterone transfer to( a) v! y! K" W' O6 I* b3 a
unprotected females through direct skin exposure.; ~: ?5 h+ ]2 r9 E
Serum testosterone level was found to be 2 times the
) f! D) c: U9 q' Y: a. `baseline value in those females who were exposed to
# q) w$ Z+ R% f  A' W' e: Jeven 15 minutes of direct skin contact with their male
- C, u- l  z0 `partners.6 However, when a shirt covered the applica-+ ~7 z3 y& }& V4 @7 p# M: x# y' T% h
tion site, this testosterone transfer was prevented.
' D1 E* |4 |: W- C) E: H6 mOur patient’s testosterone level was 60 ng/mL,
: ]( k; L+ W" u# j, P3 G" twhich was clearly high. Some studies suggest that
: k9 Y3 h4 @% D* x& |5 ydermal conversion of testosterone to dihydrotestos-- h/ o$ K5 m7 \. i
terone, which is a more potent metabolite, is more
2 s: p1 s' O/ W0 B- Lactive in young children exposed to testosterone
5 N7 I" p5 O! Q+ S. P0 f" {, g7 Kexogenously7; however, we did not measure a dihy-
* S' N' q/ R2 j( i3 Hdrotestosterone level in our patient. In addition to
; r" |& W$ x0 h( T; P6 ~& ^5 j) avirilization, exposure to exogenous testosterone in
/ B8 A# k: Z; G: G" r) Vchildren results in an increase in growth velocity and
$ Z! ]2 F6 F* i0 ?7 S9 Iadvanced bone age, as seen in our patient.
& J: ~' F$ ?" S( ~The long-term effect of androgen exposure during
+ r! X- X  c$ H. o0 t/ y: `8 uearly childhood on pubertal development and final
3 I) {$ J( A  n" E: x# [adult height are not fully known and always remain
! |, Z5 W% C( f9 w8 qa concern. Children treated with short-term testos-
# ~1 Q7 n9 `! _  U! z# Wterone injection or topical androgen may exhibit some# Y% }1 b# `; o0 x8 Q$ ]9 M
acceleration of the skeletal maturation; however, after
5 o. ^! L1 d& v% e$ |5 e' s9 Ucessation of treatment, the rate of bone maturation7 C; S; v+ R) [5 u
decelerates and gradually returns to normal.8,9, K. c' R( a! |: z. }% G: h5 w
There are conflicting reports and controversy
0 z2 N+ [, g' Q, x, y! y7 Kover the effect of early androgen exposure on adult
3 s4 }. y9 k- G3 J  w! o3 lpenile length.10,11 Some reports suggest subnormal$ l3 T" Z$ j; N
adult penile length, apparently because of downreg-" q' ?" a- r' y0 W4 G
ulation of androgen receptor number.10,12 However,
7 P  k# K- N) D. B* {' CSutherland et al13 did not find a correlation between, P) p* l2 k+ |1 _: v
childhood testosterone exposure and reduced adult
$ O* T" Y  T- f" V0 Tpenile length in clinical studies.  P$ Y: j+ S* s# G
Nonetheless, we do not believe our patient is
2 U4 \& e* B, L9 y3 ~6 A4 Ugoing to experience any of the untoward effects from% z' e' n0 }, f8 _' U) G2 r; g6 d
testosterone exposure as mentioned earlier because+ e$ \5 V& v% T
the exposure was not for a prolonged period of time.( {) c/ v% L; t. S2 U# g, B4 _
Although the bone age was advanced at the time of
3 A" C/ `6 L6 Q6 E2 ]0 N6 Rdiagnosis, the child had a normal growth velocity at
7 d1 k1 R, @4 r5 M* }, qthe follow-up visit. It is hoped that his final adult8 ~0 e4 g) Z5 g5 I. c
height will not be affected.
2 K' ?% f! a! ]% Y: r8 |, f/ \Although rarely reported, the widespread avail-. v# O6 n( D% Y& H
ability of androgen products in our society may
0 x$ t( I- j) ~% n2 n9 l- {indeed cause more virilization in male or female
( A1 N; e- t2 u# c9 e+ v; |3 schildren than one would realize. Exposure to andro-9 `( S2 w' `2 n5 y( X+ T! T  G
gen products must be considered and specific ques-
; U1 g& _9 p9 f( B) C% Dtioning about the use of a testosterone product or
: b7 k1 e: Z! `gel should be asked of the family members during
4 ^8 i6 f% o* t  }- Cthe evaluation of any children who present with vir-
( f6 ^) j  ~$ q4 L9 \' M- e4 Dilization or peripheral precocious puberty. The diag-
! p; a8 P; ~+ W0 j3 {0 i1 J/ ?- Bnosis can be established by just a few tests and by
( J, ~* ]- p- tappropriate history. The inability to obtain such a
2 {3 K& ]8 P, T/ T6 V8 }history, or failure to ask the specific questions, may
  A+ F! T; a, D8 z; Tresult in extensive, unnecessary, and expensive3 O" D6 x' {- {+ w
investigation. The primary care physician should be
2 u' B. y5 h0 p1 Raware of this fact, because most of these children
6 v" T2 G4 C& x# Xmay initially present in their practice. The Physicians’
/ ~# l; |; _: H9 a/ |0 W2 X6 ODesk Reference and package insert should also put a
. n; h/ b* ~- {* N/ Hwarning about the virilizing effect on a male or
1 t% O4 j. v* x; Lfemale child who might come in contact with some-7 _8 _% k& g0 x3 h4 T+ I
one using any of these products.0 }+ w  v! O$ R4 s6 k4 x$ @) U9 @
References
' `; D  ?% }6 s' @! n1. Styne DM. The testes: disorder of sexual differentiation% A$ S! Z* G: l! @2 h9 W
and puberty in the male. In: Sperling MA, ed. Pediatric7 X" A9 \, R/ \4 \
Endocrinology. 2nd ed. Philadelphia, PA: WB Saunders;
/ ^# _& Z" t, p2002: 565-628.
- {$ Y9 k! a0 k" j$ W  R2 u' E2. Rivarola M, Belgorosky A, Mendilaharzu H, et al. Precocious6 Z( @7 S4 q- U# P1 N5 k
puberty in children with tumours of the suprasellar pineal
發表於 2025-1-4 03:27:02 | 顯示全部樓層
Sexual Precocity in a 16-Month-Old' c' e; @/ u6 S- O1 L
Boy Induced by Indirect Topical/ a# f2 q5 q8 U" i& j
Exposure to Testosterone2 f: F: R  t# L  {
Samar K. Bhowmick, MD, FACE,1 Tracy Ricke, MD,2
+ G! `: ^$ g. L0 f8 xand Kenneth R. Rettig, MD13 L/ m3 t, \1 K! u9 A
Clinical Pediatrics9 _2 i5 _: d% U
Volume 46 Number 68 m% c$ J, N. H. C, M
July 2007 540-543
# [2 t2 [( S$ Q. ]© 2007 Sage Publications
# v; [" m# f5 ~0 ~7 {10.1177/0009922806296651
. _+ ]  p( F: E/ ?, J# ahttp://clp.sagepub.com6 j! C" `# h8 P* f, |( I
hosted at
8 R  p- R" E! `7 ?) I/ Xhttp://online.sagepub.com  g9 C, K! i, ]
Precocious puberty in boys, central or peripheral,
7 j* v$ F# c" P, f2 d! p" R% G7 vis a significant concern for physicians. Central& a$ i2 y) k) `* B, W
precocious puberty (CPP), which is mediated& R: m. b% f1 J
through the hypothalamic pituitary gonadal axis, has: x0 L9 e# A' u+ }
a higher incidence of organic central nervous system
) v$ I8 ^: Y- Q% N7 ^; t) Flesions in boys.1,2 Virilization in boys, as manifested
: o. R% `+ L) F3 Q0 mby enlargement of the penis, development of pubic
& S! \- z2 `6 Z1 _& hhair, and facial acne without enlargement of testi-. m: L- E$ u1 T9 L3 ^' W& {: v1 F
cles, suggests peripheral or pseudopuberty.1-3 We
, ]9 j& A8 p# I& s- Y% |% \0 r' jreport a 16-month-old boy who presented with the$ T  k8 h! d  v" E8 D5 j' P( u2 J/ P2 b
enlargement of the phallus and pubic hair develop-# B) V- X, G" G. W9 J* y* _2 M: c* p8 ^
ment without testicular enlargement, which was due
2 l) ]$ r. z$ u& B7 `to the unintentional exposure to androgen gel used by
* K/ a8 Z. Z2 K* @/ sthe father. The family initially concealed this infor-
- b7 G; g' a1 e( T! m( o6 emation, resulting in an extensive work-up for this
' b. o6 s1 Q, V: n4 Fchild. Given the widespread and easy availability of
% z3 `( i+ ?4 \7 _testosterone gel and cream, we believe this is proba-
2 r7 R3 \7 c% I% n. P* q( sbly more common than the rare case report in the  j! h( _0 i; f* {% A
literature.4$ }+ k6 f  }6 ?* D4 Y
Patient Report
1 Y4 i  A4 ]  I- BA 16-month-old white child was referred to the- n) t' p: Y6 G" d4 }2 {( q  @
endocrine clinic by his pediatrician with the concern7 ]! _% ]5 k4 Z. z
of early sexual development. His mother noticed
9 S6 T6 r& Y- q1 I. m6 ]light colored pubic hair development when he was: [/ @% ]( C5 O& K2 g! B  F
From the 1Division of Pediatric Endocrinology, 2University of
4 k9 k# z' H$ _, dSouth Alabama Medical Center, Mobile, Alabama.
% t. r- ]; G1 B7 c. Z( E- MAddress correspondence to: Samar K. Bhowmick, MD, FACE," B: V1 W6 y' q
Professor of Pediatrics, University of South Alabama, College of: @8 o9 n' u* z( a! C) t7 Z8 K, W
Medicine, 2451 Fillingim St. Mastin 212, Mobile, AL 36617-2297;
- c$ }: p( y) te-mail: [email protected].% t1 B+ m, b. n  C1 p; \3 }
about 6 to 7 months old, which progressively became' e' x! m- b- ^4 F* s
darker. She was also concerned about the enlarge-
  B( Y  n1 Z' n2 g, d. Qment of his penis and frequent erections. The child
7 \& d+ b: e; P! Q+ kwas the product of a full-term normal delivery, with
8 W5 q; s2 X' v/ v0 Z# o- |a birth weight of 7 lb 14 oz, and birth length of8 W' D3 i) a% L) Y8 ]1 _  _3 E9 ?
20 inches. He was breast-fed throughout the first year4 o- s- K# G4 u* ^2 k
of life and was still receiving breast milk along with' I1 D: F  w% _/ n( `: a
solid food. He had no hospitalizations or surgery,
3 d1 z; Q- E) P5 xand his psychosocial and psychomotor development' I2 e/ i8 m: ~% R/ ?# ~
was age appropriate.
  t' t9 N/ o4 t- F+ qThe family history was remarkable for the father,2 w; L0 E& L% G. Y) f; J! K
who was diagnosed with hypothyroidism at age 16,
' K: W5 w" v: S. S. W- v6 Hwhich was treated with thyroxine. The father’s8 s* F+ P7 N& i$ b; ]) k1 c  v& {
height was 6 feet, and he went through a somewhat
5 Y) ~# s% `6 [3 _early puberty and had stopped growing by age 14.$ H5 Q$ ]: F1 Y4 ?/ I
The father denied taking any other medication. The
# c3 g: T. T: m: rchild’s mother was in good health. Her menarche
' y) S3 K; Z2 e1 hwas at 11 years of age, and her height was at 5 feet5 w- T* E! U; f$ K1 |  k. {% V
5 inches. There was no other family history of pre-  t  p/ k3 C6 |" a# q# C1 X" T
cocious sexual development in the first-degree rela-) w" [2 C7 \9 h
tives. There were no siblings.6 j7 a0 q/ e/ q0 d
Physical Examination4 N: K; L/ }& l+ C0 ^' d& l
The physical examination revealed a very active,; i; I! ^0 Z8 X- ~9 l
playful, and healthy boy. The vital signs documented
! k6 H& f6 _0 e0 _. F: B5 ja blood pressure of 85/50 mm Hg, his length was
! b  i$ D" E8 }" U5 W90 cm (>97th percentile), and his weight was 14.4 kg5 ~3 E* @4 q; C( b# }) R  B. Q
(also >97th percentile). The observed yearly growth
$ W1 I! D" E, P9 nvelocity was 30 cm (12 inches). The examination of
! E/ w8 G% Z% T! H" ithe neck revealed no thyroid enlargement.
& ^( E7 N* ?5 Q$ PThe genitourinary examination was remarkable for
9 {% B$ Q& H9 n. @enlargement of the penis, with a stretched length of) x" }) E9 ]( n7 K
8 cm and a width of 2 cm. The glans penis was very well
0 j* J: m1 }: v1 y+ O/ gdeveloped. The pubic hair was Tanner II, mostly around3 S- M; ^  e8 \8 ?) b) s
540- @& d$ w3 M7 \6 @
at University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from2 I& i$ S6 P1 g( a" }0 Z# S6 y
the base of the phallus and was dark and curled. The
4 ?5 X1 z& u7 F7 K$ I* ?. L2 K- Ttesticular volume was prepubertal at 2 mL each.
, G) Y6 p( Y1 d! U& |The skin was moist and smooth and somewhat9 Q: Y) E+ M) M6 o
oily. No axillary hair was noted. There were no
. [) N7 H' ?: p9 T# S% Habnormal skin pigmentations or café-au-lait spots.5 y* y, B9 `6 [9 ~. ^4 t6 t
Neurologic evaluation showed deep tendon reflex 2+$ w$ [4 U7 B& b3 V$ g1 L/ E, s" G
bilateral and symmetrical. There was no suggestion6 a, l. I& Q4 R/ o' I% i
of papilledema.
# x) }$ ^' J( V7 s: Q# MLaboratory Evaluation
9 V5 ]3 S, d; k# h+ z" BThe bone age was consistent with 28 months by$ T% T6 a3 S7 I8 B/ z8 A
using the standard of Greulich and Pyle at a chrono-/ t) c& ^! u  S
logic age of 16 months (advanced).5 Chromosomal
2 x6 m2 K. u' a  L& e0 V- ~# zkaryotype was 46XY. The thyroid function test4 z" z3 `7 c/ d1 K9 E
showed a free T4 of 1.69 ng/dL, and thyroid stimu-" n% ^! ?5 W0 L/ Y
lating hormone level was 1.3 µIU/mL (both normal).
& ~- J$ y9 e  B' U+ a; ?# e; nThe concentrations of serum electrolytes, blood
1 D4 z6 M; c, @urea nitrogen, creatinine, and calcium all were9 \8 A9 V1 G/ Z0 L! ^( H! d5 |
within normal range for his age. The concentration7 P6 t4 f' {# h, m8 k/ u
of serum 17-hydroxyprogesterone was 16 ng/dL
; W. L4 R( W9 S" p" @(normal, 3 to 90 ng/dL), androstenedione was 20. D& M- O/ k9 b. c3 u# C' r* o9 ~" k
ng/dL (normal, 18 to 80 ng/dL), dehydroepiandros-- Z0 {) k" R3 c1 _
terone was 38 ng/dL (normal, 50 to 760 ng/dL),0 }' |: O0 G5 R" t) O
desoxycorticosterone was 4.3 ng/dL (normal, 7 to
1 z# |9 w$ h- [9 F7 Y49ng/dL), 11-desoxycortisol (specific compound S)
0 b- L/ S3 o1 ^  _7 T, M9 Kwas 43 ng/dL (normal, 10 to 156 ng/dL), serum cor-
, }+ @& b, N4 f  N! P! Utisol was 7.6 µg/dL (normal, 2.8 to 23 µg/dL), total1 m# _) y3 a- T- q8 L% a
testosterone was 60 ng/dL (normal <3 to 10 ng/dL),
. F8 r2 l$ n$ [2 K; Q/ ~* V1 e! Tand β-human chorionic gonadotropin was less than5 f( f) S8 y/ C, H$ a$ L- m
5 mIU/mL (normal <5 mIU/mL). Serum follicular
, n' |/ G- K  b6 a& {( a3 Vstimulating hormone and leuteinizing hormone$ \  g4 d1 Y$ Z' Q* [6 M2 k7 ~3 b3 m
concentrations were less than 0.05 mIU/mL
7 ]# Z+ x+ Y8 h: i& u$ G" d9 B(prepubertal)." @5 u4 S; z( J6 g0 q  i+ ~& C
The parents were notified about the laboratory
5 e- S! S- y7 I4 `results and were informed that all of the tests were/ N9 _: K% M+ h2 z
normal except the testosterone level was high. The
! b  J3 j# U, W1 p) w. N7 Sfollow-up visit was arranged within a few weeks to, J. v* `% U7 K5 n& S- n' M
obtain testicular and abdominal sonograms; how-9 V  z: @+ M7 t1 V$ h3 d
ever, the family did not return for 4 months.
( b/ B% R( h. G6 W) ^' \Physical examination at this time revealed that the% v0 c+ h. l  d0 w3 ~" D
child had grown 2.5 cm in 4 months and had gained% {% P0 r# D6 r; a" d1 l( j
2 kg of weight. Physical examination remained2 ^, r2 G7 p( F& ^- J
unchanged. Surprisingly, the pubic hair almost com-* ?% J* J2 I& ^4 I( P9 F
pletely disappeared except for a few vellous hairs at
" |7 X/ Q; X7 B! r! q4 Z- ?& ~2 Vthe base of the phallus. Testicular volume was still 2/ x  c. a3 X6 |( D# c2 G! R. j
mL, and the size of the penis remained unchanged.+ B' e! t* D' m  f
The mother also said that the boy was no longer hav-% s& R! P7 A' K+ ^# ?* F
ing frequent erections.
+ S7 V2 Q' P% S7 q  K  FBoth parents were again questioned about use of. L! \1 g6 R9 g8 \8 }; y0 j
any ointment/creams that they may have applied to
" d6 v0 r* H8 E8 J2 U6 x& Bthe child’s skin. This time the father admitted the
7 V1 t4 s* k) S$ E1 ?. n3 d+ L/ qTopical Testosterone Exposure / Bhowmick et al 541" _* S! Z% V4 V, k
use of testosterone gel twice daily that he was apply-1 a; N, T" r# r3 ~# \8 b; E' `
ing over his own shoulders, chest, and back area for
" {  R0 x+ n. R, @0 m5 y& d) fa year. The father also revealed he was embarrassed
2 J  ?& x* \* X6 n; zto disclose that he was using a testosterone gel pre-
" s* j8 l0 K# [3 ~% j( E; p0 mscribed by his family physician for decreased libido9 p% B/ H( e( Z' P( J7 a5 ^
secondary to depression.! `3 I8 ]" `) F) m$ Z1 k
The child slept in the same bed with parents.; }$ i* e5 Q5 P  f
The father would hug the baby and hold him on his8 g  O* E3 }: y) e8 d
chest for a considerable period of time, causing sig-6 n- }: p+ p4 Z9 S, }- \
nificant bare skin contact between baby and father.
( `# d+ @, R0 W" X" wThe father also admitted that after the phone call,
8 P2 O; j" r" m. n& O$ e0 uwhen he learned the testosterone level in the baby
# }$ m5 t# X5 Ewas high, he then read the product information2 z, ~; ^+ q* G( X
packet and concluded that it was most likely the rea-
( {, [' z1 G! l% F  s9 e8 e3 json for the child’s virilization. At that time, they  I# \2 o7 z7 {- B
decided to put the baby in a separate bed, and the
+ q; g: T% |  h, b( `3 ^father was not hugging him with bare skin and had
- R0 v' I. c; a' C" w1 Wbeen using protective clothing. A repeat testosterone
! ^1 v2 x* H6 l2 g' mtest was ordered, but the family did not go to the
0 @8 ~, \9 N- l& w/ Plaboratory to obtain the test.; w1 c# J: R7 v! f$ P
Discussion
6 F' w$ A7 G# L0 a& X, _* aPrecocious puberty in boys is defined as secondary# m& ^5 N& E8 h  H1 G$ e8 d. i
sexual development before 9 years of age.1,4
. C0 w3 p9 K  C( ?0 e4 @$ [+ HPrecocious puberty is termed as central (true) when2 h# ]4 w' ^9 a4 g
it is caused by the premature activation of hypo-2 c5 S$ A. t" B8 \0 I& x+ V
thalamic pituitary gonadal axis. CPP is more com-
; T3 Y* R+ N  tmon in girls than in boys.1,3 Most boys with CPP. u- v& ^5 D. _; K) H( x" t
may have a central nervous system lesion that is
7 _% P& A3 g- \* L+ d* E9 rresponsible for the early activation of the hypothal-1 e4 s) I8 r% N3 F
amic pituitary gonadal axis.1-3 Thus, greater empha-
: S5 J9 A! k7 L5 Msis has been given to neuroradiologic imaging in( g* O+ M) X4 S" O9 ?  G' h
boys with precocious puberty. In addition to viril-! W: W$ v# h4 V0 m5 U3 q8 K! V
ization, the clinical hallmark of CPP is the symmet-
. b2 ~% S; e& F- i: `6 s& krical testicular growth secondary to stimulation by6 p- J, V+ M% U4 K
gonadotropins.1,3$ H& W* F9 @6 h! M4 ~
Gonadotropin-independent peripheral preco-6 M+ j, |3 d- ?0 h' m2 t, P6 x
cious puberty in boys also results from inappropriate& S1 C' X( K8 J8 f% z
androgenic stimulation from either endogenous or
% I4 q6 r* N, V" v3 Lexogenous sources, nonpituitary gonadotropin stim-; l* Q0 X5 z8 u/ e# ]$ Q
ulation, and rare activating mutations.3 Virilizing7 q* X% n0 Y4 P- p+ a) _
congenital adrenal hyperplasia producing excessive3 m4 C  V8 U- {! s
adrenal androgens is a common cause of precocious
2 h' c" c* \9 H) b' ?7 v9 V/ L/ gpuberty in boys.3,4% [! f# T# e7 T/ Y2 r+ J5 |6 ^& O
The most common form of congenital adrenal1 i- }/ e% a5 X+ \  ~
hyperplasia is the 21-hydroxylase enzyme deficiency.
0 J& S: s. p! a. I- e& _The 11-β hydroxylase deficiency may also result in% r2 j. t# i# o
excessive adrenal androgen production, and rarely,, e/ ]8 d. v1 o3 `# D8 a. E7 _
an adrenal tumor may also cause adrenal androgen
$ a/ B# v( y3 w" ?- v# Eexcess.1,32 l9 j/ T" f3 q( e5 V$ b; m; e6 P4 w
at University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from
. M- h( V( E. [9 [9 L$ Q" ^6 o; u542 Clinical Pediatrics / Vol. 46, No. 6, July 20079 A* _. ~- O2 D0 E: N" N
A unique entity of male-limited gonadotropin-
! S2 \2 ^; W7 Gindependent precocious puberty, which is also known
5 U( u* F' j# R0 F' V& d2 ias testotoxicosis, may cause precocious puberty at a7 ]" a" t" Q4 s+ `
very young age. The physical findings in these boys
3 G6 w  y# t7 T6 L# K6 e/ r% |with this disorder are full pubertal development,+ }4 w8 L- P, r4 j
including bilateral testicular growth, similar to boys+ \. q9 ?2 ^' s# r' z5 ?! P% p
with CPP. The gonadotropin levels in this disorder
( a7 e0 e2 r6 ?* G8 i4 gare suppressed to prepubertal levels and do not show" @1 y  a" G7 s3 r9 M) u
pubertal response of gonadotropin after gonadotropin-
% Y# n. O1 O  E2 U) Wreleasing hormone stimulation. This is a sex-linked. |  m0 x) M0 d3 B- L$ B* v/ h4 r
autosomal dominant disorder that affects only
+ E; G, t0 v) d$ K6 Cmales; therefore, other male members of the family
7 y' c9 s5 E4 ?7 T5 m' z$ zmay have similar precocious puberty.3) R) y3 ]3 b  `: k# L
In our patient, physical examination was incon-0 [& O, b( }1 B7 K+ x4 t/ p
sistent with true precocious puberty since his testi-
# P+ s8 t" s8 s* ?: P( Y0 T$ Q3 tcles were prepubertal in size. However, testotoxicosis6 x- ^, v2 m6 K) h/ I1 \+ Q8 [
was in the differential diagnosis because his father  u* L9 y4 \( s  q9 }6 D+ |4 C
started puberty somewhat early, and occasionally,0 u* c% L; @8 r- C' n! y
testicular enlargement is not that evident in the8 L2 J' N; p7 z1 w3 Y& D
beginning of this process.1 In the absence of a neg-
5 d- n3 ?' w( P' Y" Gative initial history of androgen exposure, our  C' U8 X& `+ N4 \3 {" e
biggest concern was virilizing adrenal hyperplasia,
  ~1 x* J9 e" M0 Ieither 21-hydroxylase deficiency or 11-β hydroxylase
; H5 H# a0 l/ p0 |' `5 Gdeficiency. Those diagnoses were excluded by find-0 m4 c5 s$ Q% a2 _! T% _
ing the normal level of adrenal steroids.8 g( e  s/ N$ M. f; L* P$ \
The diagnosis of exogenous androgens was strongly8 e8 Y8 k% s7 S' _
suspected in a follow-up visit after 4 months because& o$ d# X: z  H( l( \1 R/ m! S5 J
the physical examination revealed the complete disap-1 H2 m0 G% m4 R' U1 v4 w
pearance of pubic hair, normal growth velocity, and
9 c& T: ~, p5 T( m" I: ^9 `decreased erections. The father admitted using a testos-
8 C7 D# R5 l2 n5 L4 h5 o) ?+ W8 Y0 ^* Gterone gel, which he concealed at first visit. He was
1 ]. r$ V8 V3 U; r1 husing it rather frequently, twice a day. The Physicians’
, }2 y! \! T* c* ^: wDesk Reference, or package insert of this product, gel or; n$ k1 `; t! T; ]2 U/ B
cream, cautions about dermal testosterone transfer to
6 ?% `0 m: }( ]& I) {unprotected females through direct skin exposure.+ L6 ^3 n* x- ?/ n2 k
Serum testosterone level was found to be 2 times the5 r6 [, \! Q3 }0 \+ l4 C- Z
baseline value in those females who were exposed to
& J7 G7 |4 _' B: o( _, E, O9 Reven 15 minutes of direct skin contact with their male! B! `1 d3 ]8 i
partners.6 However, when a shirt covered the applica-
5 n* ?* W, \9 O1 Z2 m- |# L) _tion site, this testosterone transfer was prevented.# B4 s# P- ~% |4 c& h8 f
Our patient’s testosterone level was 60 ng/mL,
$ s- Q: z6 q9 V& L# C: twhich was clearly high. Some studies suggest that. M! J- g! z/ L, u0 }. t
dermal conversion of testosterone to dihydrotestos-
8 ^, s1 \& g; @! ^/ k& Aterone, which is a more potent metabolite, is more9 h6 v8 n# f0 N3 L( O) D% w, h
active in young children exposed to testosterone
0 A: m2 Z, b% qexogenously7; however, we did not measure a dihy-9 t5 e9 N) m* x4 L  m! L- b, f
drotestosterone level in our patient. In addition to2 U% a* B0 l% n, y
virilization, exposure to exogenous testosterone in
& M% I$ ]3 o* H" F. ychildren results in an increase in growth velocity and2 ^6 l, j% V! J' f: _+ D( _
advanced bone age, as seen in our patient./ B" S$ W: p, }/ E. i
The long-term effect of androgen exposure during
1 F" S6 U  X) G/ T5 y$ ]early childhood on pubertal development and final
  r* N# N$ ?% `2 P* v' I. ladult height are not fully known and always remain
: k3 j  v9 m8 F9 H# Fa concern. Children treated with short-term testos-8 w# t9 V! A; M& Z
terone injection or topical androgen may exhibit some! v5 N0 f. F* j, |( W5 q
acceleration of the skeletal maturation; however, after
( c6 ?9 L9 i8 g9 lcessation of treatment, the rate of bone maturation
( j5 K6 Z, ]" f+ l+ ?; j+ _decelerates and gradually returns to normal.8,90 a( d1 N) h  T5 h
There are conflicting reports and controversy8 W3 ^" v" T/ e/ w" R1 x+ y' }2 r
over the effect of early androgen exposure on adult
4 H3 j' ?3 X" U& `7 V4 Mpenile length.10,11 Some reports suggest subnormal
  `( t. g1 J0 f7 B6 E+ H* madult penile length, apparently because of downreg-, J! s( ]3 U4 @. ], v. P
ulation of androgen receptor number.10,12 However,9 ^+ l$ N/ T7 J8 H; Y1 H  Q/ _
Sutherland et al13 did not find a correlation between
6 n5 b! D3 J" Xchildhood testosterone exposure and reduced adult
8 f5 x+ G: V% o1 Ypenile length in clinical studies.
6 ?9 r$ Q8 a! |, S4 fNonetheless, we do not believe our patient is8 k  s# f/ h! a9 M( [/ W+ c
going to experience any of the untoward effects from
# |, P2 ~8 P% P/ n7 itestosterone exposure as mentioned earlier because1 E5 @- r& y  w3 S/ D1 u: z1 U
the exposure was not for a prolonged period of time.
% f  y0 h1 y' Q9 m, ?" t' I* Q2 qAlthough the bone age was advanced at the time of
- U5 M1 B4 e3 y6 `; E6 e0 I2 y2 a' idiagnosis, the child had a normal growth velocity at$ j! z- `* V  Z/ a6 ?; t( U5 b3 n4 M
the follow-up visit. It is hoped that his final adult' K- I, X4 j; Z1 A, m% C1 o
height will not be affected.
! ~! ?* V5 A& m7 `3 gAlthough rarely reported, the widespread avail-8 T5 U6 c3 A$ @- C' g  t, S" T
ability of androgen products in our society may
& s$ ]8 J2 q7 S+ Sindeed cause more virilization in male or female
0 U3 X# P* I. t3 B& O# f0 ychildren than one would realize. Exposure to andro-0 ~7 M0 ?3 O" c! w/ p/ p& U
gen products must be considered and specific ques-1 |* Y5 l+ ^( r" L* p' J' Q- N# d. u
tioning about the use of a testosterone product or
8 W! E5 {# Q" kgel should be asked of the family members during' X" G1 `# Q! \. U" M* O" x1 B# m' |
the evaluation of any children who present with vir-6 V% @) r$ f# d2 q+ J9 G
ilization or peripheral precocious puberty. The diag-
. ?* Z2 a+ ]" h5 c, n9 ~nosis can be established by just a few tests and by
& D# ~2 t7 d2 N* V3 S" Y8 Aappropriate history. The inability to obtain such a
8 S2 b( L+ M/ h3 ?5 l9 x- x6 thistory, or failure to ask the specific questions, may8 }; v4 a# U" q
result in extensive, unnecessary, and expensive; z& M  G# }: G
investigation. The primary care physician should be
+ H# V: ]) g8 L' f- v* K1 d+ i4 F2 j8 Qaware of this fact, because most of these children
! Q3 j( `; e5 E( z& ^8 z; Ymay initially present in their practice. The Physicians’7 l  d$ r: v5 }: r. N
Desk Reference and package insert should also put a
5 i+ }4 r6 K2 _% B# ]: }3 M% j1 ywarning about the virilizing effect on a male or
% _1 |! N  F; D$ O0 g8 Efemale child who might come in contact with some-
; W1 A: O& T2 V$ [5 I& _6 k& hone using any of these products.# d% L- c( P  T
References
; y0 T- |! }5 h* t1. Styne DM. The testes: disorder of sexual differentiation
0 ?! Y7 A9 A7 u( i5 Hand puberty in the male. In: Sperling MA, ed. Pediatric
9 Q$ \; c5 h0 z# ^  a- O6 JEndocrinology. 2nd ed. Philadelphia, PA: WB Saunders;
6 |5 d! w+ x8 q2002: 565-628.8 ]: \# }9 A4 j' C# _5 t+ ]
2. Rivarola M, Belgorosky A, Mendilaharzu H, et al. Precocious
# p! n6 f! v# Zpuberty in children with tumours of the suprasellar pineal
發表於 2025-1-11 22:18:01 | 顯示全部樓層
女厕偷拍辅导班主任尿尿老师的逼很嫩还有一点
發表於 2025-1-17 16:31:39 | 顯示全部樓層
4个什么样的?
發表於 2025-1-19 02:41:05 | 顯示全部樓層
* ~  F- n* P2 [% A
精妙絕倫的精品,感謝啊!期待你更多更好的創作哦!
發表於 2025-3-11 12:31:56 | 顯示全部樓層
么好吧v进化过程就回国参加发uft成就和;哦i回来就好v科技股份兄弟人的 路由公开vu个v库每年b
發表於 2025-4-8 11:10:25 | 顯示全部樓層
精妙絕倫的精品,感謝啊!期待你更多更好的創作哦!
您需要登錄後才可以回帖 登錄 | 立即注册

本版積分規則


快速回復 返回頂部 返回列表