May Be Caused by

Abdominal wall burn

Abdominal wall scar

Aneurysm

Armillifer infestation of mesentery

Armillifer infestation of peritoneum

Atherosclerosis

Calcified lymph nodes

Chondrosarcoma

Cysticercosis

Dermatomyositis

Dermoid

Enterolith

Epiploic appendage

Extrauterine pregnancy

Extruded appendicolith

Fat necrosis

Fetus in fetu

Fibrodysplasia ossificans progressiva

Fluorosis

Gallstone extruded into peritoneum

Guinea worm infection

Hemangioma

Hydatid cyst

Hydrometrocolpos

Lipoma

Lithopedion

Lymphangioma

Lympholith

Meconium in intestinal wall

Meconium in lumen

Meconium in peritoneum

Metastasis from colloid carcinoma

Metastasis from papillary cystadenocarcinoma of ovary

Mineral oil granuloma

Neoplasm of soft tissues

Neuroblastoma

Osteoma

Osteosarcoma

Pancreatitis with saponification

Peritoneal mesothelioma

Pheochromocytoma

Phlebolith

Pseudomyxoma peritonei

Psoas abscess

Renal vein thrombosis

Retroperitoneal hematoma

Retroperitoneal neoplasm

Scleroderma

Teratoma

Thrombosis of inferior vena cava

Thrombosis of portal vein

Tuberculous peritonitis

Undifferentiated abdominal malignancy

Weber-Christian disease