May Be Caused by

 Common

Atherosclerosis

Blastomycosis

Histoplasmosis

Phleboliths

Tuberculosis

 Uncommon

Armillifer infestation

Colloid colon carcinoma metastases

Cysticercosis

Dermatomyositis

Fat necrosis

Fibrodysplasia ossificans progressiva

Guinea worm infection

Hydatid cyst

Meconium peritonitis

Metastatic neuroblastoma

Mineral oil granulomas

Ovarian cystadenocarcinoma

Pancreatitis

Pseudomyxoma peritonei

Scleroderma

Undifferentiated abdominal malignancy

Weber-Christian disease