Conservative removal of small pituitary tumours: is it justified by the pathological findings?

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Abstract
Operation by the trans-sphenoidal route allows removal of small pituitary adenomata with conservation of normal gland. Histological examination of tissue obtained at operation and necropsy in 73 cases showed that surgical methods at present in use are likely to leave tumour behind in the pituitary gland and in the dura mater of the pituitary fossa. The clinical significance of these findings will only become evident after following patients for an extended period, but there appears to be a strong indication for routine postoperative radiotherapy.