May Be Caused by

Aneurysm

Appendiceal mucocele

Appendicolith

Arteriovenous malformation

Atherosclerosis

Colonic diverticulum calculus

Cystic mesenteric lesion

Cysticercosis of abdominal wall

Dermoid

Duodenal diverticulum calculus

Enterolith

Epiploic appendage

Gallstone

Guinea worm infection of abdominal wall

Healed abdomnial abscess

Healed psoas abscess

Healed retroperitoneal abscess

Hemangioma

Hepatolith

Hydatid disease

Lithopedion

Lymph node

Lymphangioma

Lympholith

Meckel diverticulum calculus

Meconium

Mineral oil granuloma

Myxoglobulosis of appendix

Normal pelvic veins

Ovarian cyst

Ovarian tumor

Pancreatic calculus

Pentastomiasis

Phlebolith

Prostatic calculus

Pseudomyxoma peritonei

Renal cyst

Splenic cyst

Splenolith

Urachal calculus

Urethral calculus

Urinary tract calculus

Varicocele