Pituitary Adenomas in Adolescent Patients with Multiple Endocrine Neoplasia Type 1.

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Two juvenile patients with multiple endocrine neoplasia type 1 (MEN1) who developed pituitary adenomas are reported. The first case, a 14-year-old girl, developed prolactinoma and manifested delayed puberty and growth arrest. The second case, a 16-year-old boy, was asymptomatic and a pituitary adenoma accompanied by mild elevation of PRL and GH was identified through family screening. His growth and pubertal development was not impaired. Medication with bromocriptine was started for both cases with good therapeutic responses. These cases emphasize relevance of early screening of endocrine disorders for members of families with MEN1.