Interleukin-6 Producing Pheochromocytoma: A Rare Cause of Systemic Inflammatory Response Syndrome

Table 2

Pheochromocytoma of the Adrenal Gland Scaled Score by Thompson.

Feature	Points assigned	Presence in patient’s tumor
Large nests or diffuse growth (>10% of tumor volume)	2	Yes
Central (middle of large nests) or confluent tumor necrosis	2	Yes
High cellularity	2	Yes
Cellular monotony	2	No
Tumor cell spindling	2	No
Mitotic figures > 3/10HPF	2	No
Atypical mitotic figures	2	No
Extension into adipose tissue	2	Yes
Vascular invasion	1	No
Capsular invasion	1	Yes
Profound nuclear pleomorphism	1	Yes
Nuclear hyperchromasia	1	Yes
Total	20	11

HPF: high-power field.