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  • Title: Pituitary adenomas in adolescence--ten-year experience and literature review.
    Author: Chang CZ, Wang CJ, Howng SL.
    Journal: Kaohsiung J Med Sci; 1999 Dec; 15(12):691-6. PubMed ID: 10645130.
    Abstract:
    Pituitary adenomas account for less than 6% of all intracranial tumors in adolescence. Between November 1987 and October 1996, 8 patients were treated by transsphenoidal resection at Kaohsiung Medical College Hospital. This series included 4 girls and 4 boys with ages ranging from 14 to 19 years. Symptoms reflecting endocrine dysfunction such as scanty pubic hairs in males and amenorrhea in females, were more often found than neurological problems in all adolescents at presentation. Macroadenoma occurred in five of our eight cases (62%) of adolescent pituitary adenoma. In one case (12%), the tumor was plurihormonal tumor. Long-term follow-up (mean 4.5 +/- 2.7 years) revealed the majority of patients had good endocrine function. Significant operative morbidity included steroid-induced psychosis in one patient and transient diabetes insipidus in three, which resolved in all three within two weeks. Our study showed that 1) pituitary tumors in children were uncommon, and when they occurred they were frequently large and invasive; 2) the endocrine disturbance caused by pituitary adenomas alerted the patients to seek medical help more often than neurological deficit; 3) in adolescence, almost all pituitary adenomas were functioning; nonfunctioning pituitary adenomas were rare in adolescence; and 4) transsphenoidal surgery was feasible and safe in adolescence, even with poor pneumatization of the sphenoid sinus, which remains controversial in the literature.
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