PARAGANGLIOMAS OF THE SELLAR REGION - REPORT OF 2 CASES

TWO CASES OF paraganglioma arising from the parasellar region are pres ented. Both occurred in middle-aged women who sought treatment of head aches but who had no endocrinological dysfunction; one case was associ ated with ophthalmoplegia from cavernous sinus involvement. Diagnosis in both cases was confirmed by typical histological appearance and cyt ochemical demonstration of immunoreactive chromogranin in tumor cells. The pathological features and possible pathogenesis of parasellar par agangliomas are discussed.