common benign abdominal/small parts tumors

adenoma

• tumor of glandular origin

• common location: most abdominal organs

adrenal rest tumor

• tumor containing adrenal tissue

• common location: testicle

angiomyolipoma

• tumor of blood vessels, muscle, and fat

• common location: kidney

focal nodular hyperplasia

• abnormal accumulation of cells within a focal region of an organ

• common location: liver

granuloma

• tumor consisting of a group of inflammatory cells

• common location: liver and spleen

gastrinoma

• tumor that secretes gastrin

• common location: pancreas

hamartoma

• tumor consisting of an overgrowth of normal cells of an organ

• common location: kidney

hemangioma

• tumor consisting of blood vessels

• common location: liver, spleen, and kidney

hematoma

• localized collection of blood

• common location: anywhere an organ/tissue is affected by trauma

insulinoma

• tumor that secretes insulin

• common location: pancreas

oncocytoma

• tumor consisting of oncocytes

• common location: kidney

pheochromocytoma

• tumor consisting of chromaffin cells of the adrenal gland

• common location: adrenal gland

teratoma

• tumor that consists of tissue from all 3 germ cell layers

• common location: testicle and ovary

urinoma

• localized collection of urine

• common location: adjacent to a kidney transplant