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Results for “Puberty, Precocious”

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PubMed2002

Microsurgical treatment for hypothalamic hamartoma in children with precocious puberty.

BACKGROUND: We review the surgical treatment of hypothalamic hamartoma causing precocious puberty. METHODS: Six children (three girls and three boys) with precocious puberty secondary to hypothalamic hamartoma were recruited for our study. The mean age of the patients was 30 months old (range 13 months to 5 years), and the mean age of the onset of puberty was 7.3 months. All patients were treated by microsurgery. RESULTS: All patients had higher then normal stature, body weight, bone growth, and serum levels of sexual hormones. The boys presented with mature external genitalia, pubic hair, frequent erection, and acne, while the girls presented with growth of breasts and menarche. Magnetic resonance image (MRI) revealed an isointense mass below the tuber cinereum extending into the supersellar and interpeduncular cistern, ranging from 4 to 12 mm in diameter, consistent with pedunculate hamartoma. The hamartoma was removed completely via a right pterional approach. The symptoms and signs of precocious puberty resolved completely, and sexual hormone levels decreased to the pre-pubertal range in all six patients without any postoperative complications. CONCLUSION: We report a series of six children with hypothalamic hamartoma-induced precocious puberty who underwent microsurgical treatment. All of them recovered completely to their age-appropriate state. Microsurgery is a good choice of treatment for pedunculate hypothalamic hamartoma.

Brain Neoplasms↗
PubMed1988

Breast contact thermography for differentiation between premature thelarche and true precocious puberty.

Breast contact thermography was used to differentiate between premature thelarche and true precocious puberty. The technique was applied to 10 girls with premature thelarche, 12 with precocious puberty and 105 controls (Tanner B1-5). In controls, the scores attributed to the maturative thermographic signs correlated with breast development stages. In premature thelarche thermographic signs of vascularization were always absent, while in precocious puberty they were always observed, although in some cases unilaterally. The thermographic index (higher total score between the two breasts) ranged from 0 to 3 in girls with premature thelarche and from 4 to 10 in girls with precocious puberty. The thermographic pattern in premature thelarche was similar to that in prepubertal girls and did not progress in two girls who were repeatedly examined. We emphasize the useful role of contact thermography in evaluating pubertal breast development and in differentiating between premature thelarche and true precocious puberty.

Age Determination by Skeleton↗
PubMed1989

[Central precocious puberty].

Diagnosis of the central origin of precocious puberty is easy in boys on the enlargement of the testes. In girls, conversely, diagnosis of central precocious puberty (CPP) may be difficult, as isolated development of the breast may initially be the only feature. Differentiation of CPP and premature thelarche is nevertheless essential, as CPP always requires neuroradiologic investigations to look for an intracranial space-occupying lesion and may indicate inhibitory treatment. CPP is usually idiopathic in girls and tumor-related in boys. Early secretion of sex steroids increases the rate of growth and bone maturation and may lead to final short stature. LHRH analogues represent a breakthrough in the treatment of CPP.

Child↗
PubMed1964

[PRECOCIOUS PUBERTY].

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Adrenocortical Hyperfunction↗
PubMedDate not supplied

Precocious puberty associated with growth hormone deficiency in a patient with craniopharyngioma: report of one case.

Isosexual precocious puberty in girls is not uncommon, but its association with craniopharyngioma and growth hormone deficiency is rarely reported. We present a patient with this combination. An 8-year-old girl developed breasts and then had menarche at 7 9/12 years old. Growth hormone deficiency was suspected due to inappropriate height and growth velocity in association with idiopathic precocity and a poor predicted adult height of 138.8 cm. Growth hormone deficiency was confirmed by clonidine and insulin stimulation tests. Intracranial lesion was suspected due to precocity associated with GH deficiency. MRI of the sella's region revealed a 1 cm mass in the hypothalamus. After surgical resection, pathology of the tumor disclosed a craniopharyngioma which has rarely been reported to cause precocious puberty. The precocious puberty regressed after surgery. Growth hormone deficiency persisted and GH therapy was given to improve growth. The growth rate of patients with both growth hormone deficiency and precocious puberty may be maintained within the normal prepubertal range by the effect of sex steroid. We suggest that in patients with central type precocity in association with an inappropriate growth status, physicians should investigate the underlying intracranial lesion, and the possibility of growth hormone deficiency.

Biopsy, Needle↗