The characteristics of and surgical treatment for pituitary adenomas in patients under 14 years old.

To investigate the clinical characteristics of pituitary adenomas in patients under 14 years old. A total of 140 children and adolescents with pituitary adenomas were admitted to Peking Union Medical College Hospital (PUMCH) from December 1987 to December 2014, and their clinical manifestations, hormone secretions, images, pathological types, surgical complications and follow-up characteristics were analyzed. Fifty-eight (41.4%) males and 82 (58.6%) females with a mean age of 12.5 years old (range, 6-14 years old) were included. Regarding tumor type, adrenocorticotropic hormone (ACTH), prolactin (PRL), growth hormone (GH), non-functioning and multiple-secreting adenomas accounted for 35.7%, 25.7%, 12.2%, 25.7%, and 0.7% of the tumors, respectively. Microadenomas, macroadenomas and giant adenomas accounted for 33.6%, 60.0% and 6.4% of the patients, respectively. Approximately 19.3% of the adenomas included in our study were invasive. Trans-sphenoidal approach surgery (TSS) was commonly used and accounted for 97.9% of the cases in our study. Total resection was achieved in 93.6% of the patients, and subtotal resection was performed in the remaining patients. Finally, 113 patients underwent full-term follow-up until 2 years after surgery, and tumors recurred in 32 patients. TSS is the most commonly used surgical procedure in patients younger than 14 years old. No significant differences in surgical outcomes, mortality during the perioperative period or complications were observed between patients younger than 14 years old and similar patients in the general population.

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