Pituitary adenomas in childhood and adolescence

The Journal of Clinical Endocrinology and Metabolism
L A KaneD Zimmerman

Abstract

A clinicopathological study of 56 pediatric patients with non-ACTH-secreting pituitary adenomas removed by a transsphenoidal neurosurgical approach was undertaken to better define the clinical presentation, to assess demographic factors, to determine the immunohistochemical staining characteristics of the tumors, and to evaluate the outcome of transsphenoidal surgical treatment and other adjuvant therapies. A separate analysis of prolactinoma patients was performed. All tumors were confirmed histologically and immunophenotyped for pituitary hormones. Forty-one patients had tumors that stained for PRL alone, eight patients had tumors that stained for PRL and GH, six patients had plurihormonal adenomas, and one patient had a tumor that stained for glycoprotein hormones. No tumors contained GH alone. Macroadenomas exceeded microadenomas (1.4:1). There were no male patients with microadenomas of any type. Females outnumbered males (3.3:1). Patients presented most frequently with headache, menstrual dysfunction (in females), galactorrhea, and hypopituitarism. All but one of the patients with hypopituitarism at presentation had macroadenomas. Tumor staining characteristics did not always correlate well with clinical status, especiall...Continue Reading

Citations

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