SPONTANEOUS ENDOCRINE TUMORS IN MASTOMYS

Abstract

Spontaneous endocrine tumors in mastomys (6 adenomas, 5 hyperplastic nodules, and 1 cystadenoma of the adrenal cortex, 1 pheochromocytoma of the adrenal medulla, 5 pituitary adenomas, 1 pituitary hyperplastic nodule, and 3 tumors of the female reproductive organs) were observed in 19 out of 158 animals examined.