Abstract
Management of huge pituitary adenoma (more than 5 cm in diameter) is one of the most important issues on the treatment of pituitary tumors. We have analyzed the therapeutic modality and the result of our cases. From 1967 to 1983, 50 patients with huge adenoma (14.1%) out of a total 354 pituitary adenomas were surgically treated. The operative mortality was 25% for radical transcranial (TC) approach (10/40), 14% (1/7) for transsphenoidal (TS) approach and 0% (0/3) for combined two stage operations. From long-term follow-up, excellent prognoses were observed in only 44% of the patients treated by radical TC operation. After 1984, we have employed partial removal by TS surgery at the first stage, followed by reoperation by TS or TC surgery with or without radiotherapy or bromocriptine in case by case. Seventeen huge pituitary adenomas out of a total 700 pituitary adenomas were operated. There was no mortality nor major complications. The two stage operation with initial TS surgery is recommended for the management of huge pituitary adenomas.
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