Ke. Vonmuhlendahl et U. Heinrich, SEXUAL PRECOCITY IN KLINEFELTER SYNDROME - REPORT ON 2 NEW CASES WITHIDIOPATHIC CENTRAL PRECOCIOUS PUBERTY, European journal of pediatrics, 153(5), 1994, pp. 322-324
Precocious puberty apparently occurs more often in boys with Klinefelt
er syndrome than could be expected by chance. So far, reports exist on
nine such patients, to which two more cases are added here. Whereas m
ost of the previously described boys had endocrinologically active tum
ours, these two patients had sexual precocity of the idiopathic type.