Abstract
Forty four cases of transsphenoidal hypophysectomies from May, 1990 to July, 1994 were analysed. The results were as follows: Male to female ratio was 1 to 1.44. Thirty five cases were pituitary adenomas(79.5%), fifteen cases were functioning adenomas(34.1%) and twenty cases were non-functioning adenomas(45.5%). The chief complaints were visual loss and visual field defect(38.6%), headache(29.5%), amenorrhea(13.6%), acromegaly(11.4%) and others in order of frequencies. Pneumatization types of the sphenoid sinus were sellar(70.5%), presellar(20.5%) and unclassifiable(9%). Among 17 cases with preoperative visual disturbance, 7 cases(47.1%) were improved and 2 cases(11.7%) were aggravated after operation. Postoperative complications were transient diabetes insipidus(45.5%) and meningitis (2.3%).
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