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Sexual Precocity in a 16-Month-Old. ^' z, A1 D& w. ?$ N5 v& v
Boy Induced by Indirect Topical
3 q- U* K% ?9 s) [* Z4 e. Y6 t! t% iExposure to Testosterone
E1 g' { a, [5 b/ oSamar K. Bhowmick, MD, FACE,1 Tracy Ricke, MD,2
" M) u# i! O1 P; n' L* Vand Kenneth R. Rettig, MD1
/ I, D5 f9 W Q0 @Clinical Pediatrics
/ x% }0 p9 f9 fVolume 46 Number 6
. A" R0 f6 D# [0 `' u6 TJuly 2007 540-5439 T/ m( `$ E) y" F
© 2007 Sage Publications
( i. l o1 P* H) w! f( X9 H$ t! d: ]- c10.1177/0009922806296651
" F4 \! n3 u! Ohttp://clp.sagepub.com m- z+ L- c" x. n& V0 c
hosted at
" b, l/ O2 h* qhttp://online.sagepub.com" }5 u/ @5 L* i4 B: A" H6 g
Precocious puberty in boys, central or peripheral," B# R5 a; C+ f9 }; E
is a significant concern for physicians. Central. }5 q2 L' w+ ~* g
precocious puberty (CPP), which is mediated
8 V( u: X' w0 f$ w. E+ {, p! ethrough the hypothalamic pituitary gonadal axis, has
+ M/ }" `3 _) f3 V; p$ ea higher incidence of organic central nervous system
8 }' Q, ?' [, _% ilesions in boys.1,2 Virilization in boys, as manifested6 b9 ~" |( h% z3 ^
by enlargement of the penis, development of pubic8 ?" T/ R- ^7 a; e; [2 ^& K/ p
hair, and facial acne without enlargement of testi-$ Z3 ^% B4 q, a) U8 v
cles, suggests peripheral or pseudopuberty.1-3 We
. @' i& d7 c) X) g% d( \* \- \$ Mreport a 16-month-old boy who presented with the8 v$ g3 A" L7 {* X. F
enlargement of the phallus and pubic hair develop-
[& A, t; t/ B [1 f o' s: cment without testicular enlargement, which was due+ M" Z' W1 Z! I) X- f
to the unintentional exposure to androgen gel used by; H/ U" A" h) @9 G! F2 z. t
the father. The family initially concealed this infor-$ B$ Q4 r; _* t' J
mation, resulting in an extensive work-up for this; J, z4 y+ l0 J2 E, l
child. Given the widespread and easy availability of% N( v) I' L$ J" I
testosterone gel and cream, we believe this is proba-/ `! T0 H w8 z
bly more common than the rare case report in the
/ P2 i" q/ j2 H: q g3 Zliterature.4# w5 K. l: U, C( ^+ ]8 }. A
Patient Report' I0 t, K2 {1 k: R/ k) P! e% E6 {; `
A 16-month-old white child was referred to the+ I# G' h' V: b; @2 I& r; y; @
endocrine clinic by his pediatrician with the concern
0 I9 q7 O t! x* r6 S# F& S: M! ?of early sexual development. His mother noticed
5 d) }; D9 Z+ \+ F7 y/ ]light colored pubic hair development when he was2 H- b# \3 E* T! d* H. j
From the 1Division of Pediatric Endocrinology, 2University of
) x& L7 n7 L0 C7 t: ?South Alabama Medical Center, Mobile, Alabama.
k9 V! y9 F! S4 X3 DAddress correspondence to: Samar K. Bhowmick, MD, FACE,
' d) P! n# B+ q. ?Professor of Pediatrics, University of South Alabama, College of
6 W' O( ]( h& X" z* @6 N) V2 lMedicine, 2451 Fillingim St. Mastin 212, Mobile, AL 36617-2297;
. B9 y+ D4 [* M3 k3 ce-mail: [email protected].
2 v5 V, D, O: x1 }about 6 to 7 months old, which progressively became, m4 E1 I5 l& @, d I2 y+ l! ?
darker. She was also concerned about the enlarge-
$ U0 z, c1 z9 B3 Y+ h9 wment of his penis and frequent erections. The child+ \9 b9 j/ @* D
was the product of a full-term normal delivery, with
# E% p5 `( }8 s+ f4 D3 Ca birth weight of 7 lb 14 oz, and birth length of! R7 `% v4 ~) _) v
20 inches. He was breast-fed throughout the first year2 e& q' Y/ Q* A& E
of life and was still receiving breast milk along with
m/ L }0 Z* x' msolid food. He had no hospitalizations or surgery," ^- b2 u% } h% }" r( T
and his psychosocial and psychomotor development
, L5 p. q. @/ g. ewas age appropriate.
0 n+ M7 g/ \: TThe family history was remarkable for the father,
% b! w# e" P3 Mwho was diagnosed with hypothyroidism at age 16,
! v E9 f( F E V! v E; Nwhich was treated with thyroxine. The father’s
6 C. Y- [- j; L2 oheight was 6 feet, and he went through a somewhat7 d, g9 A' T% H, j. `6 |0 [- _
early puberty and had stopped growing by age 14.
" X9 \( `' H" _( `1 R$ s5 E* `8 DThe father denied taking any other medication. The
. J9 q& |* c. s$ f: {2 v% }' P% H1 Gchild’s mother was in good health. Her menarche5 d" l& R! {+ ~1 ~) U) o& o
was at 11 years of age, and her height was at 5 feet
) q; z0 |" ]% e: A: p5 inches. There was no other family history of pre-0 D2 s6 H1 Y& |1 M4 I
cocious sexual development in the first-degree rela-
8 x3 P6 ?- z- |3 H- H! L- A0 {tives. There were no siblings." B9 a' Q( V" y! q T
Physical Examination
4 [3 K& x: N6 Z; v/ b* c' SThe physical examination revealed a very active,0 P5 C1 U& `% n( O0 v# k
playful, and healthy boy. The vital signs documented
5 K2 J4 m1 t# T Va blood pressure of 85/50 mm Hg, his length was
; p% o7 Z; C7 \90 cm (>97th percentile), and his weight was 14.4 kg
7 D% b, S, ?" f7 }- w, m(also >97th percentile). The observed yearly growth
/ o" H0 S7 Q1 [( O1 Z( uvelocity was 30 cm (12 inches). The examination of
5 [ [& a; U: F( Lthe neck revealed no thyroid enlargement.( G& X" d7 s! }- u
The genitourinary examination was remarkable for" n8 v7 c5 p, o- r, S
enlargement of the penis, with a stretched length of( i# [5 b) s) [# y) G
8 cm and a width of 2 cm. The glans penis was very well1 C. \7 W6 q$ T2 V9 e
developed. The pubic hair was Tanner II, mostly around9 G3 L q. s. H! [+ w$ Z9 S" t
5407 Q1 `* @* R8 c
at University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from
( i% `, U) `. V1 U# uthe base of the phallus and was dark and curled. The( m, g) R* a8 @9 T! P. {
testicular volume was prepubertal at 2 mL each.& W, ^2 q$ ], Q* T% [9 ?8 o1 ^
The skin was moist and smooth and somewhat
* {0 h$ b! ~4 y( @( S2 qoily. No axillary hair was noted. There were no+ I* u$ _' o. y& M
abnormal skin pigmentations or café-au-lait spots.
7 Z$ G% C8 D+ f$ P; }# [3 xNeurologic evaluation showed deep tendon reflex 2+
) H ~. p' ^3 B, ~1 Pbilateral and symmetrical. There was no suggestion1 y" }$ z; P/ w+ H7 J K" R
of papilledema.: N& c( @! q- M6 F
Laboratory Evaluation8 C4 ~% k m4 h. m, t1 s& q" @
The bone age was consistent with 28 months by
) N, b. q: @% |( P( p) O& [using the standard of Greulich and Pyle at a chrono-
# I( l' _$ K. K% ~logic age of 16 months (advanced).5 Chromosomal
* @" r1 u/ g# o* N; M1 hkaryotype was 46XY. The thyroid function test0 Y& B8 u$ A* N T: I* s E% O
showed a free T4 of 1.69 ng/dL, and thyroid stimu-
. E( i+ q8 H7 t) B7 U, slating hormone level was 1.3 µIU/mL (both normal).
: t/ f5 M# g" @ C, wThe concentrations of serum electrolytes, blood8 E/ H. O& D2 q- ?' ]
urea nitrogen, creatinine, and calcium all were
g' Z ?6 r& ]: e/ l- \within normal range for his age. The concentration, Q/ c5 m! S) Q6 C& ]3 T. D1 x8 y: O
of serum 17-hydroxyprogesterone was 16 ng/dL4 t, G! U5 J5 l- W
(normal, 3 to 90 ng/dL), androstenedione was 20) e" `$ @+ Q4 Z C9 K: |3 O3 s
ng/dL (normal, 18 to 80 ng/dL), dehydroepiandros-
' ?! o7 i) } l; Gterone was 38 ng/dL (normal, 50 to 760 ng/dL),
) F. {: L; B# Z" X4 ]: |( V# N4 @desoxycorticosterone was 4.3 ng/dL (normal, 7 to5 ^" S3 `* x) E4 C v
49ng/dL), 11-desoxycortisol (specific compound S)
) H# U/ K8 C& B8 d6 P6 E# gwas 43 ng/dL (normal, 10 to 156 ng/dL), serum cor-: m7 C; C, d6 Y, ^
tisol was 7.6 µg/dL (normal, 2.8 to 23 µg/dL), total
8 S9 Y: j0 b8 Q2 N0 @0 s$ etestosterone was 60 ng/dL (normal <3 to 10 ng/dL),$ B g/ a- v3 m+ l8 [1 b
and β-human chorionic gonadotropin was less than) i# Z* [* t9 s8 o1 i% _ u: f6 w
5 mIU/mL (normal <5 mIU/mL). Serum follicular
5 N9 d) W9 X/ l$ T+ @' Wstimulating hormone and leuteinizing hormone* h3 {/ ~ b4 C' Z- ~* [9 y0 C
concentrations were less than 0.05 mIU/mL4 [0 F& M( o3 |4 h) _2 _: Q
(prepubertal).
5 U& t+ g% S/ g. aThe parents were notified about the laboratory
) X9 u# T& L" |1 ^( q& H" u# e1 z: nresults and were informed that all of the tests were
* p' D! `2 L6 q' {normal except the testosterone level was high. The
$ I# U1 m. [$ k) s9 N# _+ Mfollow-up visit was arranged within a few weeks to5 U9 m u0 `! Y( R( _
obtain testicular and abdominal sonograms; how-0 t& B) U0 Q4 h+ d
ever, the family did not return for 4 months.* c/ H! Q X6 e" B9 ]
Physical examination at this time revealed that the% n6 s6 O+ g; Y1 \6 L
child had grown 2.5 cm in 4 months and had gained
/ ^. R- v: y" c; ]" c. m5 n2 kg of weight. Physical examination remained
4 b/ y; n! P# |8 i9 S* vunchanged. Surprisingly, the pubic hair almost com-) H- b0 s0 ~" C
pletely disappeared except for a few vellous hairs at
4 V% n/ D/ ^. [% Z- [9 Wthe base of the phallus. Testicular volume was still 2. p5 R. _/ [" l' i. m$ M% c% D! V
mL, and the size of the penis remained unchanged.
1 B* n2 y& k% q) OThe mother also said that the boy was no longer hav-
?# y! _: S9 n4 k; Ming frequent erections.
- \( m& R Y: a6 A4 i" e5 VBoth parents were again questioned about use of7 R7 o7 K7 [8 F' \$ U% N& z
any ointment/creams that they may have applied to+ |* s* ^6 c' M* l7 s) ~; W
the child’s skin. This time the father admitted the: }8 G+ b* P% _1 n. q0 W- ^
Topical Testosterone Exposure / Bhowmick et al 541
4 ?/ Y! w; H) t- ^8 Euse of testosterone gel twice daily that he was apply-7 n" ~& i2 D; t( a" l
ing over his own shoulders, chest, and back area for
, n; _9 i) U( z6 {5 b8 `: ~a year. The father also revealed he was embarrassed
6 @1 W7 d* Z1 n7 c4 k9 E; H$ R ?to disclose that he was using a testosterone gel pre-0 N; @0 H9 V- i/ a2 i' X, Q! F
scribed by his family physician for decreased libido
+ R) `! R! x4 V" v, Isecondary to depression.
' i' n6 V, r; h! x' UThe child slept in the same bed with parents. y( L/ [ Z% D5 j) h: j) W* [
The father would hug the baby and hold him on his# |9 M1 G$ V; D( \' A
chest for a considerable period of time, causing sig-
+ V9 Z4 P8 E1 g0 Jnificant bare skin contact between baby and father.
: @) Y" \2 o3 H+ ^) @3 gThe father also admitted that after the phone call,
' b" E* @( P, [5 b9 D2 fwhen he learned the testosterone level in the baby* \ G w7 U# @. ~0 T
was high, he then read the product information, N1 {+ r4 l5 Q" ^+ m( R& c9 s
packet and concluded that it was most likely the rea-, a* Q2 [: G( `, L! Q+ P* i% U$ t
son for the child’s virilization. At that time, they
- `7 p1 ~5 G7 jdecided to put the baby in a separate bed, and the) \5 L" C' X% N- d9 V
father was not hugging him with bare skin and had
8 H+ O& ]- |* R7 V1 J5 A3 b' cbeen using protective clothing. A repeat testosterone( B6 H# M \( T' {5 v# q- }0 t
test was ordered, but the family did not go to the7 m( F2 ?) d, e/ E5 H
laboratory to obtain the test.8 w0 R$ \7 Z$ q
Discussion
1 n. }" o% z7 D. W( Q+ X$ BPrecocious puberty in boys is defined as secondary5 W. b7 Y8 B7 N! _! ~
sexual development before 9 years of age.1,4! N. e8 @) ] X: z3 y0 p: s) m
Precocious puberty is termed as central (true) when
. L% X! @* a6 H& r0 X6 ^it is caused by the premature activation of hypo-/ |1 Z' ^( v! d
thalamic pituitary gonadal axis. CPP is more com-4 K: B! \% B8 V1 e3 g& n
mon in girls than in boys.1,3 Most boys with CPP
! H. F# i7 H6 {4 Vmay have a central nervous system lesion that is+ P* i/ J9 }* w
responsible for the early activation of the hypothal-
1 F* D" ~- j$ V2 m H. G) [' ^! namic pituitary gonadal axis.1-3 Thus, greater empha-+ j( |$ ]. K) w9 W. ^' g
sis has been given to neuroradiologic imaging in3 g1 Y) \ |8 _2 k: z, r) I
boys with precocious puberty. In addition to viril-% A& }& q2 S7 ^% F
ization, the clinical hallmark of CPP is the symmet-
/ I w9 V4 ?7 e, P A, v- U: I: {rical testicular growth secondary to stimulation by) K& |$ V& K4 t3 N2 C) ~! i
gonadotropins.1,3, v7 c- L7 f9 G: v6 z
Gonadotropin-independent peripheral preco-8 Z9 c# E# v% x' j3 w6 {) o2 ]
cious puberty in boys also results from inappropriate
- w! i, N F4 z2 l8 v1 [9 O, ^androgenic stimulation from either endogenous or; ?! `! y3 `9 [6 d# w: ^* \" A9 D. u
exogenous sources, nonpituitary gonadotropin stim-* |: ?- ]4 B0 N/ i$ g R& _
ulation, and rare activating mutations.3 Virilizing
+ @1 ]0 u! w& `8 C6 K4 Q3 \congenital adrenal hyperplasia producing excessive
; m6 l, T- I& L7 c! y6 @adrenal androgens is a common cause of precocious9 a2 H+ P& a1 m! A3 k3 b/ E1 M# ]
puberty in boys.3,4
7 F, g2 ^; H2 L/ UThe most common form of congenital adrenal
0 t" V" Z4 Z" S1 ~hyperplasia is the 21-hydroxylase enzyme deficiency.
# f# h2 O7 f% }3 B. O) DThe 11-β hydroxylase deficiency may also result in
$ Z% D" r; Q* yexcessive adrenal androgen production, and rarely,
7 t1 O# F6 F' l4 ]$ E. Ran adrenal tumor may also cause adrenal androgen! ?, I; N5 l" G
excess.1,3+ |* ^* W# W8 a$ \ F1 A
at University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from/ P$ \! w& c9 [- o' V
542 Clinical Pediatrics / Vol. 46, No. 6, July 2007
; X" ?# z0 V% z9 [3 _: TA unique entity of male-limited gonadotropin-
9 ^9 m/ H6 s' l! K% X; y- Windependent precocious puberty, which is also known
8 T% O7 _' \2 ^+ C# e( Has testotoxicosis, may cause precocious puberty at a
0 v: C3 O& a& x0 @& e+ X) \very young age. The physical findings in these boys
& X) P5 b; l1 b! @1 Z& kwith this disorder are full pubertal development,
/ y, z8 R" i5 Q4 h% X' nincluding bilateral testicular growth, similar to boys% ^* N4 T: ?4 x% O5 q* [" u
with CPP. The gonadotropin levels in this disorder
, {/ U% A I% s; `are suppressed to prepubertal levels and do not show- T5 S) U# Z' L" D3 R% ~2 `
pubertal response of gonadotropin after gonadotropin-
/ T0 @7 m# V* x: a2 [8 Breleasing hormone stimulation. This is a sex-linked
; W9 c. v4 T% b6 gautosomal dominant disorder that affects only
& S+ E. O9 O8 Y2 u$ X" Lmales; therefore, other male members of the family! s7 j; v$ T% }9 v- J: k/ m
may have similar precocious puberty.3
2 f' D; U @" I0 i+ G; d7 [- sIn our patient, physical examination was incon-
4 j- z- z9 B1 V& nsistent with true precocious puberty since his testi-- {7 y# G: z/ u5 r' @
cles were prepubertal in size. However, testotoxicosis9 h4 O% Z% l" n+ D" F& z* {
was in the differential diagnosis because his father
6 f+ B ~ s% J- Kstarted puberty somewhat early, and occasionally,. p; F! f: f8 r- C+ f+ M7 Y2 ~+ G
testicular enlargement is not that evident in the( u4 R7 y- R/ n/ U" y4 b I6 L9 w7 Y
beginning of this process.1 In the absence of a neg-9 h' k- \7 p# O5 `1 I- t, x
ative initial history of androgen exposure, our
1 ]/ D' J3 K! [2 n9 B; Xbiggest concern was virilizing adrenal hyperplasia,
/ j4 T9 u+ W1 B9 ^3 U1 ~7 Deither 21-hydroxylase deficiency or 11-β hydroxylase5 b l/ g- h4 V6 ?0 l6 `0 T
deficiency. Those diagnoses were excluded by find-
! n) C/ f2 ^0 p" o V& fing the normal level of adrenal steroids., f! m6 c" W, f$ A4 O
The diagnosis of exogenous androgens was strongly1 R9 t7 Q) b- i t# r1 }6 G
suspected in a follow-up visit after 4 months because
9 M h6 S% j2 r( _the physical examination revealed the complete disap-8 q h/ z6 N$ B/ A. h+ K, G
pearance of pubic hair, normal growth velocity, and
# _% l- K* a# c1 V/ D2 T+ Xdecreased erections. The father admitted using a testos-" J1 {+ w R! @0 R$ U$ }/ k+ W
terone gel, which he concealed at first visit. He was! ]9 W5 q k% y/ q
using it rather frequently, twice a day. The Physicians’3 }# b+ t3 [# m' C& T" x* m
Desk Reference, or package insert of this product, gel or8 g% |! a$ L5 O: E) D- r
cream, cautions about dermal testosterone transfer to# F4 V6 ^* k3 n7 V! {) D; K
unprotected females through direct skin exposure.0 k3 i1 L' h1 t$ } D! x
Serum testosterone level was found to be 2 times the
: r. E9 ] d; Z, `$ Fbaseline value in those females who were exposed to
) L4 ^; d! B3 p: c! V: N, U% L- h& Weven 15 minutes of direct skin contact with their male
, ^) `2 F: U* E0 k9 wpartners.6 However, when a shirt covered the applica-
1 r( X7 T5 \4 Z. v: e S# \" mtion site, this testosterone transfer was prevented.& j4 x2 n% d+ T G0 m5 l: [# `3 h* t1 I
Our patient’s testosterone level was 60 ng/mL,
4 S+ w6 C% G' o5 r/ xwhich was clearly high. Some studies suggest that
( v9 \/ T9 P/ s# Z8 P4 Q+ Tdermal conversion of testosterone to dihydrotestos-. W" A2 O# t/ E, `1 A
terone, which is a more potent metabolite, is more0 @4 V/ t/ U; D
active in young children exposed to testosterone$ l% e, r9 X. i' c o) s& v! Q
exogenously7; however, we did not measure a dihy-4 e- J! u* q: A9 J+ E [" O5 X
drotestosterone level in our patient. In addition to% @: f4 Y: ?/ h) o) E# c
virilization, exposure to exogenous testosterone in
7 n8 x. O5 p. Z" y/ schildren results in an increase in growth velocity and
) {( x0 g* b9 T7 x7 }- @advanced bone age, as seen in our patient.
7 r1 B1 G% i6 g/ HThe long-term effect of androgen exposure during/ e. {' i! c# Q; v7 X9 _
early childhood on pubertal development and final
: @2 E+ O2 D9 n$ f- C5 K# |0 Y* Uadult height are not fully known and always remain
$ S* W: U/ d+ l. b; Y) t& P( la concern. Children treated with short-term testos-
4 l* s: ^; Z! z: }* u7 tterone injection or topical androgen may exhibit some: \- V8 n- p8 W1 S/ P! _; x+ j7 c
acceleration of the skeletal maturation; however, after
( Y* J1 M/ `. c& q- j- a ^cessation of treatment, the rate of bone maturation5 o! d, x( r4 F4 s( V8 ~
decelerates and gradually returns to normal.8,9
* y& F$ V! L, nThere are conflicting reports and controversy
' v1 o. [/ b# |9 j. l8 a' sover the effect of early androgen exposure on adult. r) c4 r k; M+ K! F4 ^9 h5 @
penile length.10,11 Some reports suggest subnormal
$ X, d; Q# `+ padult penile length, apparently because of downreg-
0 H! Q# W+ l7 G4 x+ Nulation of androgen receptor number.10,12 However,
! R/ j$ p/ S% |* t, z8 o& aSutherland et al13 did not find a correlation between
& w+ B; ^! }& q# i! Zchildhood testosterone exposure and reduced adult
% k+ R1 A2 r# R9 f0 c# |penile length in clinical studies.: |2 D" d- I7 |; [1 z9 ]
Nonetheless, we do not believe our patient is* y6 y& i% E# n% v' P
going to experience any of the untoward effects from
5 |8 R' S& L- wtestosterone exposure as mentioned earlier because' S7 f/ }# k0 G, J ?3 g
the exposure was not for a prolonged period of time.6 r& ?# w" X2 l' c
Although the bone age was advanced at the time of; Z& t+ L- s0 G( F( k4 Y
diagnosis, the child had a normal growth velocity at
' v) T: f6 \; T6 o7 }$ j: Ithe follow-up visit. It is hoped that his final adult" k; u% _$ q5 O% u
height will not be affected. J( t7 U* s/ I% v- f; @0 |& T+ y- `
Although rarely reported, the widespread avail-
3 i8 g- c; Q6 J2 Eability of androgen products in our society may M! W# j. `, U
indeed cause more virilization in male or female9 w7 |% J6 o& Z+ t7 L
children than one would realize. Exposure to andro-' S2 @- ]5 b9 Y9 |' K
gen products must be considered and specific ques-
- m, A* l7 }# ]6 B9 ~2 N- B+ ?tioning about the use of a testosterone product or# D/ M, ~5 _, ]
gel should be asked of the family members during+ E! h) G4 N( A" x, s
the evaluation of any children who present with vir-7 O4 p8 g0 T a: W* L" j
ilization or peripheral precocious puberty. The diag-
: F, S) K6 h+ r2 Z9 B* Y Lnosis can be established by just a few tests and by# b8 y/ m$ A4 N
appropriate history. The inability to obtain such a
4 b0 P( m+ B1 n6 T& yhistory, or failure to ask the specific questions, may/ A4 H& g( S6 V& i# V0 v
result in extensive, unnecessary, and expensive G1 i8 I$ Y6 i( r+ a9 |- C" Q, u
investigation. The primary care physician should be. g* F1 z; t8 x0 d4 a
aware of this fact, because most of these children0 J7 E I8 j9 n* f: I$ X. N
may initially present in their practice. The Physicians’5 ^ J/ l# F9 E( t/ \$ q# m! R+ g1 C! d
Desk Reference and package insert should also put a$ {1 |* J+ }8 q7 p
warning about the virilizing effect on a male or6 J' Q( }, F$ p" C$ y7 G7 L( {
female child who might come in contact with some-0 R) n/ i. V! H$ y/ o0 i& H4 m6 \- ?" I
one using any of these products.
; p$ z' q$ X7 v8 h5 c8 dReferences
( v+ I" L W" H7 O1. Styne DM. The testes: disorder of sexual differentiation
( v) g4 o4 w% Z( Pand puberty in the male. In: Sperling MA, ed. Pediatric
/ \3 f$ j1 f2 O, z( Y1 b" sEndocrinology. 2nd ed. Philadelphia, PA: WB Saunders;( o9 J/ e9 G8 ~- r) @
2002: 565-628.
3 V! j* m5 F4 j$ p% b2. Rivarola M, Belgorosky A, Mendilaharzu H, et al. Precocious
# c# G: @0 F7 {, fpuberty in children with tumours of the suprasellar pineal |
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