The phenomenon of plurihormonality in nonfunctioning pituitary adenomas

Abstrakt

We examined 31 nonfunctioning ('chromophobe') adenomas by IHC detection of all pituitary hormones: 26 revealed plurihormonality (2 to 6 hormones), 4 had a single hormone (FSH or LH); only 1 was negative. This showed high frequency of plurihormonality