These cholesterol polyps are common, with a prevalence ranging from 9% to 26%.
(4,5) The patient underwent a cholecystectomy and the operation revealed cholesterol polyps in the mucosa of the gallbladder and a widened (10-mm) common bile duct.
Benign cholesterol polyps
account for the majority of lesions.
In our opinion, the high incidence of cholesterol polyps among all the types of polyps supports this theory.
Most GBPs are benign nonneoplastic lesions, of which cholesterol polyps represent the most common type with a ratio of 60%-90% (2).
Thirteen (16%) cholesterol polyps with a diameter of 3.94[+ or -]2.83 mm were found in which ten (54%) were multiple lesions.
Cholesterol polyps, which are characteristically smaller than 10 mm and multiple, are the most common polypoid lesions and have no malignant potential (19).
(3) Cholesterol polyps and cholesterolosis may infrequently occur together.
Gallbladder cholesterol polyps and cholesterolosis.
Histologic examination showed that in almost half of the gallbladders, the only abnormality was cholesterolosis or cholesterol polyps
; 94% of the gallbladders had benign lesions.
The histology of the operative specimen revealed cholesterol polyps in the distal CBD associated with a juxta-papillary duodenal diverticulum (Figure 2).
Cholesterol polyps in the bilary system are most commonly found within the gallbladder (6).