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Sexual Precocity in a 16-Month-Old
0 H @0 ~- x& n9 K9 CBoy Induced by Indirect Topical4 Y, n0 v+ P+ H9 d Z, Y1 ?$ O
Exposure to Testosterone
. O1 l6 u. f8 x! m8 VSamar K. Bhowmick, MD, FACE,1 Tracy Ricke, MD,20 {6 A8 N4 h/ r2 |* e
and Kenneth R. Rettig, MD1
& q7 b$ s- Z6 |; t/ r8 d: [Clinical Pediatrics, w; U ^6 f' A) P
Volume 46 Number 64 ~+ O% a/ W. ?, k
July 2007 540-543
3 m3 `$ U: n0 G3 R: c$ N0 p% b© 2007 Sage Publications% f1 S/ z$ o- T( C4 l0 C+ K: L% k: a
10.1177/00099228062966517 G7 M, F/ \/ B, \3 l( Q2 j! ^" H
http://clp.sagepub.com
9 h. w- A" [- e" V9 L2 L) V/ ?3 Ehosted at
; Z1 i3 p5 P- C/ O9 Mhttp://online.sagepub.com
9 V+ H' }, r" O! ]5 | CPrecocious puberty in boys, central or peripheral,, p- U- Z0 A- N% @4 U
is a significant concern for physicians. Central- u* k7 n, B4 F6 e1 H1 |* Y
precocious puberty (CPP), which is mediated
, F$ C+ U/ o* `+ O$ R% t. K4 tthrough the hypothalamic pituitary gonadal axis, has6 o1 T( T$ e, A( i5 C
a higher incidence of organic central nervous system* Z; j! L" w- q
lesions in boys.1,2 Virilization in boys, as manifested
) B6 }; i; u) \. e, v# [! `by enlargement of the penis, development of pubic" i2 @3 E' L" f; g
hair, and facial acne without enlargement of testi-
' X. ^- H+ I; L+ ecles, suggests peripheral or pseudopuberty.1-3 We6 M. o- g8 b* q
report a 16-month-old boy who presented with the6 D7 b; R& _1 r+ j" t9 I4 V v7 X
enlargement of the phallus and pubic hair develop- w. q+ @" {/ i) c; g/ X
ment without testicular enlargement, which was due
- q& `: H/ {+ O. Dto the unintentional exposure to androgen gel used by
7 v( V j7 Y1 B; lthe father. The family initially concealed this infor-0 M$ P# M- o% K+ N- v
mation, resulting in an extensive work-up for this
9 f( a' k0 V2 z: @# a/ F$ | kchild. Given the widespread and easy availability of7 u" e2 v* Q7 H# |$ D0 j5 o+ ~
testosterone gel and cream, we believe this is proba-
' }7 p6 ?( P0 _: C7 p* n7 k5 Nbly more common than the rare case report in the
$ {. \; w9 j; C/ `literature.4
% I [0 ~1 [) L1 W$ w' WPatient Report
5 u9 U, @6 k; R6 Z2 RA 16-month-old white child was referred to the
% |6 a! z" g9 V* {( Y) ]. ` Dendocrine clinic by his pediatrician with the concern
& w8 ~7 @' k- m8 {5 g4 m' h% dof early sexual development. His mother noticed
- t- a; c* r6 P4 Blight colored pubic hair development when he was
+ o8 k. c, p, O& BFrom the 1Division of Pediatric Endocrinology, 2University of* u' i/ q- R5 I2 a, D7 U
South Alabama Medical Center, Mobile, Alabama.. {( S+ D. o' \2 t
Address correspondence to: Samar K. Bhowmick, MD, FACE,& `7 I6 w1 q! V, x! P6 |
Professor of Pediatrics, University of South Alabama, College of2 n* F+ @# r8 L" o5 M: G4 _, X2 N
Medicine, 2451 Fillingim St. Mastin 212, Mobile, AL 36617-2297;; L; K6 @; t8 d0 ~
e-mail: [email protected].
: {6 j1 L/ G2 Z5 Iabout 6 to 7 months old, which progressively became
. s+ F/ R0 @* n. I. Pdarker. She was also concerned about the enlarge-
; J' j( q9 z) v- @: dment of his penis and frequent erections. The child
9 d N7 e. K0 H# Z; [was the product of a full-term normal delivery, with. g( M3 _ y/ x. E* P1 t# t6 g
a birth weight of 7 lb 14 oz, and birth length of
( A- ^# |/ n% o6 V) k20 inches. He was breast-fed throughout the first year
5 Z, E. m, X2 z w6 T% \of life and was still receiving breast milk along with, B6 Y$ C7 _" T( X& q) P8 P
solid food. He had no hospitalizations or surgery,5 R0 P; E! i6 {) Y
and his psychosocial and psychomotor development
0 }) x6 L8 M. }9 J! Wwas age appropriate.# b6 q1 f6 ?8 K$ r# w) b0 G. i$ R
The family history was remarkable for the father,2 X) V( s+ K, x, U& a; A: l
who was diagnosed with hypothyroidism at age 16,& s) P. y) K7 c5 o; X% F, h
which was treated with thyroxine. The father’s! E' y. I$ ?8 z7 [! F
height was 6 feet, and he went through a somewhat* x" s9 d1 ]9 q6 s
early puberty and had stopped growing by age 14.
2 r# C k# d( Q! Z; f/ cThe father denied taking any other medication. The
7 N4 }6 Z2 ^: p6 k+ {child’s mother was in good health. Her menarche1 \5 S& \. N3 S# ?6 I f
was at 11 years of age, and her height was at 5 feet
2 q# F8 f- s4 |4 k1 U$ ?" h5 inches. There was no other family history of pre-
7 T5 z! M1 Z; @, Z% zcocious sexual development in the first-degree rela-) Q; d* w" C! K; Z; n* b
tives. There were no siblings.( @! J: Y4 p8 H- a
Physical Examination( S+ e, |6 J0 I2 t; [
The physical examination revealed a very active,4 P9 [) x, w- f$ }
playful, and healthy boy. The vital signs documented: k2 s8 V7 a6 r% i" r) l
a blood pressure of 85/50 mm Hg, his length was
4 U- o2 a6 S% O3 Y' p9 V90 cm (>97th percentile), and his weight was 14.4 kg" N; A9 @& ]5 v- l9 a# F0 Y P, o2 z
(also >97th percentile). The observed yearly growth. C8 @. y* P: Q: q4 o) b- w+ b9 ~5 k3 O
velocity was 30 cm (12 inches). The examination of
1 C7 p$ l, b% l) xthe neck revealed no thyroid enlargement. e9 `3 B/ j3 U3 i0 S- B& V+ B
The genitourinary examination was remarkable for
: u' s0 F, s8 q5 t% h+ T' wenlargement of the penis, with a stretched length of
8 G" z- G, i* |8 {- N, f# m9 e8 cm and a width of 2 cm. The glans penis was very well
' D( h2 M/ M, e9 ?6 d* G1 tdeveloped. The pubic hair was Tanner II, mostly around8 s# |9 r! x& s' G% A0 M1 L
540$ y! `( W5 g/ t( R
at University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from4 @8 |& s# T0 I; A
the base of the phallus and was dark and curled. The
: P7 |) l3 Q1 N: f: o( ?- gtesticular volume was prepubertal at 2 mL each.( M0 f7 ^9 ]9 I w
The skin was moist and smooth and somewhat
) {$ H1 N% h. ?4 d6 Ioily. No axillary hair was noted. There were no( ?5 c( Z: V' W8 I1 v' S
abnormal skin pigmentations or café-au-lait spots.
, a: o _" z6 i# e( ZNeurologic evaluation showed deep tendon reflex 2+
3 c; ?5 z$ K7 ` H! O7 Hbilateral and symmetrical. There was no suggestion
5 g) Q! b# r0 ~- b, ]of papilledema.3 m [: t! {% L+ g9 C
Laboratory Evaluation
' s" m" n0 @9 s, F& K& ^The bone age was consistent with 28 months by
( H+ P& u- a/ c- ?( `( nusing the standard of Greulich and Pyle at a chrono-. s/ j' O( A1 f ^! U+ z4 L' Q! Q
logic age of 16 months (advanced).5 Chromosomal$ q% m7 y' L' J% a4 P* ~
karyotype was 46XY. The thyroid function test
. w. a1 [/ c# i1 t( tshowed a free T4 of 1.69 ng/dL, and thyroid stimu-
% c X/ t7 t* |+ C( p& Dlating hormone level was 1.3 µIU/mL (both normal)., i! _1 w8 |- n) X8 @/ ^
The concentrations of serum electrolytes, blood
1 |# N9 u, `2 J1 q3 n m9 o# ]urea nitrogen, creatinine, and calcium all were
$ {' i% S# n7 D4 ywithin normal range for his age. The concentration
# w. f6 [$ f7 x9 H. \of serum 17-hydroxyprogesterone was 16 ng/dL6 I; {3 P# b; i/ p) z
(normal, 3 to 90 ng/dL), androstenedione was 20 z- k2 H6 m* `# k4 a/ O3 t# v
ng/dL (normal, 18 to 80 ng/dL), dehydroepiandros-! u% N% r6 V* M' i6 |! g
terone was 38 ng/dL (normal, 50 to 760 ng/dL),
5 n2 M$ s0 `' Z' i0 T# |desoxycorticosterone was 4.3 ng/dL (normal, 7 to
, D: E6 s9 J/ M+ ^: C49ng/dL), 11-desoxycortisol (specific compound S)' G x% x4 x: B* Y6 p, ^* ~
was 43 ng/dL (normal, 10 to 156 ng/dL), serum cor-
/ V% p: K" V0 U0 W2 O- V3 v+ wtisol was 7.6 µg/dL (normal, 2.8 to 23 µg/dL), total
, w3 L0 e1 k1 ~/ J! p5 `& K+ u/ ctestosterone was 60 ng/dL (normal <3 to 10 ng/dL),6 F( Q1 Y% C+ o
and β-human chorionic gonadotropin was less than
9 Y3 u# Q5 E6 T" p! [5 mIU/mL (normal <5 mIU/mL). Serum follicular
# q4 N+ {# f @stimulating hormone and leuteinizing hormone
: Z7 _9 }9 v( R/ v( J( t+ i' vconcentrations were less than 0.05 mIU/mL4 t+ ]5 F! ]& t3 z5 @# X4 H/ |9 T
(prepubertal).4 X# K2 f0 i- o o* ~2 P
The parents were notified about the laboratory- E& G, n& n5 a+ ~5 z: I6 l
results and were informed that all of the tests were. _: v+ X' b/ U* u
normal except the testosterone level was high. The
9 {' x! p0 y" ~9 tfollow-up visit was arranged within a few weeks to! e- m- L0 k. c& [; F3 G$ J* _" m
obtain testicular and abdominal sonograms; how-
, R3 N5 Y5 {1 S+ W |& v# n( Mever, the family did not return for 4 months.
1 Y9 P5 J6 ]. F% ~, TPhysical examination at this time revealed that the
1 W9 i) f" x! Y9 xchild had grown 2.5 cm in 4 months and had gained. s+ v o& v. z, B1 G8 D
2 kg of weight. Physical examination remained
4 K% R+ S. E* G$ Sunchanged. Surprisingly, the pubic hair almost com-
& j+ `+ l$ b3 {/ R& O2 e" R4 @pletely disappeared except for a few vellous hairs at
& j0 c2 B8 ^7 m0 D( ~the base of the phallus. Testicular volume was still 25 V) o: ]/ k! R1 Z5 e# m
mL, and the size of the penis remained unchanged.7 }( L9 s1 |7 q0 r$ H1 d
The mother also said that the boy was no longer hav-! ]- y2 r- s9 ^7 \
ing frequent erections.. X0 n* t/ Z* {( u4 M
Both parents were again questioned about use of
, z$ X6 q- x. ]% _( b9 Y& N. }any ointment/creams that they may have applied to# A! E- g0 g4 A3 B4 h4 p
the child’s skin. This time the father admitted the$ h3 f* |9 ?4 m2 O6 H) C1 L
Topical Testosterone Exposure / Bhowmick et al 541
4 s! L" K. _/ F7 ]4 Buse of testosterone gel twice daily that he was apply-) u* p0 t, s# g- ]$ V# f! Z
ing over his own shoulders, chest, and back area for' k2 ^: W9 @6 F+ l+ }, \" r3 ^7 Y
a year. The father also revealed he was embarrassed
7 a) j) n8 \" I) L9 n, e7 E8 ~to disclose that he was using a testosterone gel pre-
& \( R5 h4 Q$ X* a8 vscribed by his family physician for decreased libido5 [2 {2 j0 \& n6 a# g
secondary to depression.) N' v8 T) N9 u! H' h
The child slept in the same bed with parents.
& t" L$ m& z6 u! p2 y9 cThe father would hug the baby and hold him on his, O: X/ X( D, @" M
chest for a considerable period of time, causing sig-
( t- W7 |2 ?. k5 c2 unificant bare skin contact between baby and father.+ J- i/ ^: A, Q C1 J6 Q# B
The father also admitted that after the phone call,
0 b! X: f. {& j! f) pwhen he learned the testosterone level in the baby
* d: } h# B- O8 ]was high, he then read the product information
% e# M1 Q4 `- o( lpacket and concluded that it was most likely the rea-+ K7 P: c `, W0 }: }$ L9 @, I: j. q) l; l
son for the child’s virilization. At that time, they) T1 L! V4 A L, ^9 g9 T5 Y
decided to put the baby in a separate bed, and the9 o0 H4 C( j0 h. X; d% g
father was not hugging him with bare skin and had
# G' `. ~& l% l7 {been using protective clothing. A repeat testosterone
0 e! n/ f9 d4 M" o: G) Wtest was ordered, but the family did not go to the) q9 I# r( M% ~( j- G* k, c
laboratory to obtain the test.5 J4 A% Z. x# B
Discussion6 I/ T" \) u. l6 \( U" i
Precocious puberty in boys is defined as secondary, J: J3 u$ }% P! l" L* q
sexual development before 9 years of age.1,4, }& ]! ^& L& F w6 Y9 z( H
Precocious puberty is termed as central (true) when5 P0 F) p$ q3 R; i% _2 x ~* K
it is caused by the premature activation of hypo-
1 ?8 r) u0 I$ |5 Y+ [( J3 r# i Ithalamic pituitary gonadal axis. CPP is more com-
6 K/ _2 N! o! A% B. ^, rmon in girls than in boys.1,3 Most boys with CPP# @' l4 _- y3 F, Q9 V: q; ^, V# u+ S
may have a central nervous system lesion that is
# m9 e# B# U( G7 U7 Yresponsible for the early activation of the hypothal-
$ I$ V v4 W- W4 v. L8 damic pituitary gonadal axis.1-3 Thus, greater empha-
7 N0 M* }& N4 e% osis has been given to neuroradiologic imaging in% R! {2 r/ ^ W% T, Y6 g
boys with precocious puberty. In addition to viril-
! F% ]5 u' f6 x' Mization, the clinical hallmark of CPP is the symmet-
8 k' Q; r M( k) D" yrical testicular growth secondary to stimulation by( S. h( j* @& h5 J
gonadotropins.1,3# M. I+ R4 Y+ I6 O: K! H- Y2 t; l
Gonadotropin-independent peripheral preco-
8 \9 {9 L: i$ k' E; Icious puberty in boys also results from inappropriate. P9 M" v5 |; I3 {. a
androgenic stimulation from either endogenous or7 _7 F/ `; E* @+ ^+ @' v
exogenous sources, nonpituitary gonadotropin stim-2 K. v5 M& m a+ }
ulation, and rare activating mutations.3 Virilizing
- [+ T2 B# e; y/ n5 Ccongenital adrenal hyperplasia producing excessive
) `9 ?% }% e" S7 D R5 }adrenal androgens is a common cause of precocious- X( V; i5 {" }3 w, i2 ~: B7 n- C. A
puberty in boys.3,41 U3 j/ S4 @3 p! B0 S
The most common form of congenital adrenal
! V; H$ @2 q& A1 Dhyperplasia is the 21-hydroxylase enzyme deficiency.2 h, a$ Q! A1 i" F) x3 E% l: ~9 m8 x
The 11-β hydroxylase deficiency may also result in
# ?! D) w( e/ _' o" \5 I/ R$ X* q; X- _% yexcessive adrenal androgen production, and rarely,+ Z; L( G1 ^$ x& |
an adrenal tumor may also cause adrenal androgen
6 t5 M4 E7 S( b: w! N5 U. i* Texcess.1,3
* d) e- Z0 m" c" H# k2 Eat University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from/ r5 H: g1 Z* w4 r% v4 x& j
542 Clinical Pediatrics / Vol. 46, No. 6, July 2007
% q" W9 h6 m% fA unique entity of male-limited gonadotropin-* T, Q: z) [3 o6 H1 m) B
independent precocious puberty, which is also known
) [+ }8 h0 J" m$ M& G5 }- {as testotoxicosis, may cause precocious puberty at a
8 P/ N5 S4 X4 ^# e$ K1 Rvery young age. The physical findings in these boys1 k4 j$ ^) M2 I
with this disorder are full pubertal development,4 n/ n* W, Q: ]2 _
including bilateral testicular growth, similar to boys& J# J) b2 U- Q* V0 Q
with CPP. The gonadotropin levels in this disorder
9 ~! C/ O6 q+ } @/ Lare suppressed to prepubertal levels and do not show) Z8 E: h/ R+ h" A! W
pubertal response of gonadotropin after gonadotropin-
$ j! l3 [+ z7 Q& u( greleasing hormone stimulation. This is a sex-linked( w9 h3 n% ~+ Y/ M
autosomal dominant disorder that affects only. B. `7 d( f* P( ?8 v, N* G6 X! T
males; therefore, other male members of the family
8 ~+ W3 ?: V8 A! ^/ S( Bmay have similar precocious puberty.3
3 z/ _) }# [& D, o+ c/ xIn our patient, physical examination was incon-
5 V- B5 A; G0 ]" Y6 }( _! {sistent with true precocious puberty since his testi-, f& {% `3 `1 C$ n8 g5 n
cles were prepubertal in size. However, testotoxicosis
* ~5 s& u' T- m! \7 R/ Qwas in the differential diagnosis because his father. E* w$ z& i B/ l6 |
started puberty somewhat early, and occasionally,) K. x' l) X, \/ ^$ j: h) Y+ ~
testicular enlargement is not that evident in the
5 G* d' x% Q9 g# H9 Tbeginning of this process.1 In the absence of a neg-
6 |& e" g" _' p6 v& H+ L, ^8 Qative initial history of androgen exposure, our) f* T* u {; I# l
biggest concern was virilizing adrenal hyperplasia,
) U4 O0 K+ c# v- J7 d; T' p# Beither 21-hydroxylase deficiency or 11-β hydroxylase! [! U0 R: ^# [# ?% U" T
deficiency. Those diagnoses were excluded by find-! \2 w! k: i% _% p
ing the normal level of adrenal steroids.0 D6 C0 j/ q, f
The diagnosis of exogenous androgens was strongly9 k3 f8 R; H9 \+ z( f$ G
suspected in a follow-up visit after 4 months because
9 `9 B# T! B$ t( Othe physical examination revealed the complete disap-& C( b" x* i+ `# c y
pearance of pubic hair, normal growth velocity, and
8 L, q! _' u+ F S/ ~: m# [+ C: Ddecreased erections. The father admitted using a testos-
; z, C. g n$ z" K% k4 Oterone gel, which he concealed at first visit. He was
0 u7 T" m: z8 ^# X9 Eusing it rather frequently, twice a day. The Physicians’
7 T3 S& ?, S/ [5 w @5 \Desk Reference, or package insert of this product, gel or5 M" D+ A( R- Q* f7 P) J
cream, cautions about dermal testosterone transfer to8 N* Y% r Q- o4 q. T1 o
unprotected females through direct skin exposure.
0 Q& O9 v5 U6 `; r+ O$ T2 JSerum testosterone level was found to be 2 times the
1 ?% J; Q8 N) K9 n8 tbaseline value in those females who were exposed to
. O+ m L6 l6 Weven 15 minutes of direct skin contact with their male
$ O6 k' n b: zpartners.6 However, when a shirt covered the applica-
0 v% U' x) D1 E/ Otion site, this testosterone transfer was prevented.& O' C, X: Q% i
Our patient’s testosterone level was 60 ng/mL,
7 j" i* b. B8 x$ U" {) c6 e7 \1 hwhich was clearly high. Some studies suggest that2 w, i9 M& Y8 w: ?0 [, r3 @8 r
dermal conversion of testosterone to dihydrotestos-5 _( q8 S$ S, L4 T) ?* ?
terone, which is a more potent metabolite, is more
9 j; k" O$ A$ ?& ]7 O, P3 M$ H6 L @; qactive in young children exposed to testosterone& U" ?3 d6 J' {/ H b- J
exogenously7; however, we did not measure a dihy-* H0 ?- q n: O7 G6 e$ g$ P8 w
drotestosterone level in our patient. In addition to) x7 |/ Q1 g" m5 x. u% b, J7 \
virilization, exposure to exogenous testosterone in
5 v; G% V \1 Q. Nchildren results in an increase in growth velocity and z& ? W% f( g2 N2 n& U" O
advanced bone age, as seen in our patient.* t4 e+ U; F- F9 k4 Q' q
The long-term effect of androgen exposure during1 A6 f% K% j/ }$ }- | X% {! m
early childhood on pubertal development and final0 Z' o3 \) B; J9 o
adult height are not fully known and always remain# u( Z" M4 A/ o7 R7 j$ Z
a concern. Children treated with short-term testos-8 `& f: J) h4 x( X m$ s( c' ?! o n
terone injection or topical androgen may exhibit some
7 L' d" H1 Q: y! E- g1 f1 @acceleration of the skeletal maturation; however, after* X) _: K7 G+ @
cessation of treatment, the rate of bone maturation9 i4 L# J1 r+ ~9 | r
decelerates and gradually returns to normal.8,9& m' e0 a9 V, J+ M; z
There are conflicting reports and controversy
- O! G. G* x; V+ m4 }9 o! Wover the effect of early androgen exposure on adult2 F- q* I& |* c8 h! ~4 [( Y" t
penile length.10,11 Some reports suggest subnormal0 I7 b/ L& j8 g. ^" s3 v G' K
adult penile length, apparently because of downreg-/ L2 D& V/ C0 X% E6 D" f
ulation of androgen receptor number.10,12 However,
% [2 C7 x0 U4 {1 C& ASutherland et al13 did not find a correlation between+ j: k n# d# b" C. l( A
childhood testosterone exposure and reduced adult' }; S( C+ R1 v
penile length in clinical studies.
$ g3 j7 x; h3 Z5 o; c+ L1 ]8 F3 HNonetheless, we do not believe our patient is' n9 R' X {: M4 Z- D0 X8 P
going to experience any of the untoward effects from7 f+ D9 y9 b& v: ]( T- e
testosterone exposure as mentioned earlier because6 d# v4 q7 x8 g0 c
the exposure was not for a prolonged period of time.3 I1 z% ^3 J' [
Although the bone age was advanced at the time of
w K2 c( A1 a8 r* _/ M& hdiagnosis, the child had a normal growth velocity at
. @8 z5 y% a+ o' Bthe follow-up visit. It is hoped that his final adult7 J1 W8 O* z$ j" p
height will not be affected.$ c5 G3 R( q+ _+ R, a
Although rarely reported, the widespread avail-
, g7 v x$ n1 R9 g: Y* k7 _ability of androgen products in our society may0 O; ?6 e3 `2 |% N$ K _ ]4 E: @3 P
indeed cause more virilization in male or female3 q/ i! n8 }" y6 e6 ^% D
children than one would realize. Exposure to andro-% u/ f t3 i9 |3 ~! Z) N
gen products must be considered and specific ques-
6 x9 @5 D- d% g. Q3 y+ g+ h! utioning about the use of a testosterone product or& @( ]5 p6 V; ^. n, X/ r, u# h
gel should be asked of the family members during
7 U) D7 i5 S6 d9 s, athe evaluation of any children who present with vir-
8 B3 v$ ^8 v M/ z/ W- D3 M5 ~ilization or peripheral precocious puberty. The diag-
1 ]* }7 g, e2 G. h9 Unosis can be established by just a few tests and by
" D4 d; d7 Q/ O6 s8 A. happropriate history. The inability to obtain such a
' Z, Y8 v& [9 E7 I$ e. g) |history, or failure to ask the specific questions, may7 C2 H# {5 L- T3 D7 Y
result in extensive, unnecessary, and expensive
, q @" m6 ]1 b8 v9 P+ O& c5 K' Winvestigation. The primary care physician should be
6 B( N& r5 W0 ~3 e, o2 Aaware of this fact, because most of these children
- _' {$ z% [+ u8 C% Q2 X" p0 Tmay initially present in their practice. The Physicians’
0 }$ ?) r9 v& E! Q4 [: u0 T; sDesk Reference and package insert should also put a+ V3 |% w' E# e' }5 n
warning about the virilizing effect on a male or
2 [: L7 W1 u n8 l, q$ |0 gfemale child who might come in contact with some-
0 {+ x0 ^" S$ U" w( J, G6 L& rone using any of these products., ~; E7 a/ u$ H7 @( G* f* V
References
; b# ?$ k) j3 w/ k! U) x0 D1. Styne DM. The testes: disorder of sexual differentiation7 k! q2 y) U9 t" f8 @
and puberty in the male. In: Sperling MA, ed. Pediatric' T& J( o: m4 g
Endocrinology. 2nd ed. Philadelphia, PA: WB Saunders;) r% `% H+ f# k% ~' @+ f3 J" K
2002: 565-628.
" \' K9 @. u3 f* E/ A! K2. Rivarola M, Belgorosky A, Mendilaharzu H, et al. Precocious
. d. M( {! O. K w. c7 V9 k' I2 s- U! k0 u; spuberty in children with tumours of the suprasellar pineal |
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