Table 2.

Histological and immunohistochemical criteria and scores.

Criteria		Scores
	0	1	2	3
Inflammation	No detected inflammatory cells	Less than 25 cells (mild)	Between 25 and 125 cells (moderate)	125 or more cells (severe)
Fibrous Capsule	Absent	Thin less than 150 µm	Thick more than 150 µm
Macrophage Infiltrate	less than 10 cells	more than 10- 20 cells	more than 20 - 30 cells	more than 30 cells
Necrosis	Absent	Present
Giant cell	Absent	Present
IL-1β