Among 50 cases of PLG undergoing surgery, cholesterol polyp accounted for 88%, gallbladder adenomyoma for 10% and the diseases of gland of gallbladder for 2%.

• 50例(PLG)占同期手术胆固醇息肉88%25,胆囊腺肌病10%25,胆囊腺病2%25。