May Be Caused by

Adenoma

Adenomyoma

Adenomyomatosis

Adherent gallstone

Aneurysm

Benign neoplasm

Cholecystitis glandularis proliferans

Cholesterol polyp

Cholesterolosis

Congenital fold

Cyst

Ectopic gastric tissue

Ectopic pancreatic tissue

Hyperplastic cholecystosis

Inflammatory polyp

Malignant neoplasm

Metachromatic leukodystrophy

Metastatic melanoma

Parasitic granuloma

Peutz-Jeghers syndrome

Postoperative defect

Pseudodefect in neck of gallbladder

Pseudopolyp

Tortuous artery

Xanthogranulomatous cholecystitis