High Expression of Somatostatin Receptors 2A, 3, and 5 in Corticotroph Pituitary Adenoma

Table 1

Grading of immunohistopositivity according to Barresi et al. 2008.

Intensity distribution (ID) score = IS × ASP	0-12
Immunostaining intensity (IS)
Negative	0
Weak	1
Moderate	2
Strong	3
Area of staining positivity (ASP)
<5%	0
5–25%	1
26–50%	2
51–75%	3
76–100%	4