Fig. 5From: Pituitary adenoma consistency affects postoperative hormone function: a retrospective studyA comparison of Ki-67 (MIB-1) staining index expression between patients with fibrous (left) and soft (right) pituitary adenomas. A cut-off of 3% was considered suggestive of potentially aggressive clinical behavior. (*χ2 8.154, p = 0.04)Back to article page