Fixed gallbladder filling defect

Common: Adenomyoma; Adenomyomatosis; Adherent gallstone; Cholesterol polyp; Cholesterolosis; Hyperplastic cholecystosis
Uncommon: Adenoma; Aneurysm; Benign neoplasm; Cholecystitis glandularis proliferans; Congenital fold; Cyst; Ectopic gastric tissue; Ectopic pancreatic tissue; 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