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No To Shinkei. 1989 Oct;41(10):1029-35.

[Hypothalamic glioma with diencephalic syndrome and following precocious puberty--a case report].

[Article in Japanese]

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  • 1Department of Neurosurgery & Pediatrics, Nagasaki University School of Medicine, Japan.


A 1-year 11-month-old girl was admitted for losing her weight and gait disturbance. At 4 months of age, she began to become emaciated inspite of normal food intake. Physical and neurological examinations were normal except for a marked lack of subcutaneous fat, irritability and nystagmus. CT scans demonstrated a large tumor occupied in the third ventricle and marked dilatation of the lateral ventricles. Endocrinological studies revealed high levels of plasma growth hormone (GH) in contrast with normal levels of somatomedin-C. The basal value of GH returned to normal with a subnormal response to insulin subsequently after VP-shunt. Then, a pilocytic astrocytoma was partially resected with transcallosal approach. Postoperative course was uneventful and her growth rate returned to normal range. CT scans after radiation therapy of 49 Gy showed marked decrease in size of the tumor. At 3 years and 6 months of age, enlargement of her breast was pointed out although MRI indicated no enlargement of the tumor. Basal value of LH, FSH, E 1 and E 2 elevated and LHRH test showed over-response of LH and FSH. Other hypothalamic-pituitary functions were partially preserved. Case of precocious puberty following diencephalic syndrome associated to the hypothalamic and/or optochiasmatic glioma is quite rare in the previous literature. Mechanisms of diencephalic syndrome and following puberty are unclear. However, endocrinological and radiological findings observed in the present case suggest that hormonal disfunction might be due to the failure of inhibition on GH and LHRH secretion mechanism in the anterior hypothalamus.

[PubMed - indexed for MEDLINE]
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