Yamada S et al. - The authors report a rare case of intrasellar gangliocytoma without endocrinopathy. The tumor, removed by transsphenoidal surgery, exhibited immunoreactivities for VIP and galanin in the cytoplasm of several nerve cells, a-subunit, somatostatin, and serotonin in the cytoplasm of few nerve cells. This case indicates that gangliocytomas can produce unusual combinations of peptides which, despite their known biologic activity, do not invariably cause clinical abnormalities.
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