Proliferation of adenohypophyseal cells into posterior lobe : their normal anatomical condition and possible neoplastic potentiality

Proliferation of pituitary basophil cells and occasional chromophobe and eosinophil cells into the posterior lobe was found in 61,8+- 6,9% (α=0,05) in routine necropsy series.The incidence and intensity of proliferation increased in accordance with increasing age.There were no sex differences.The cells were for the most part ACTH-prosuctive.