Proliferaton index in pituitary adenomas from a black African population

Peer review under responsibility of Alexandria University Faculty of Medicine.

Available online 31 December 2016

Figures & data

Table 1 Distribution of benign and atypical adenoma according to age in decades.

Age in decades	Atypical	Benign
1–10	0	1
11–20	2	2
21–30	1	2
31–40	3	11
41–50	5	12
51–60	0	12
61–70	1	4
71–80	0	1

Figure 1 Sex distribution of the patients with pituitary adenoma variants in the study.

Table 2 Hormone expression of pituitary adenomas in the study.

Hormonal type	Atypical	Benign
ACTH	0	6
GH	0	3
GnH	2	17
Null	2	15
PRL	8	4

Figure 2 Ki67 expression in an atypical adenoma with nuclear staining of proliferating cells in the cell cycle. 400× magnification.