Ito et al evaluated patients with polypoid lesions of the gallbladder (PLG) detected on imaging studies. They listed indications for cholecystectomy in these patients. The authors are from Memorial Sloan-Kettering Cancer Center in New York City.
Patient selection: polypoid lesion of gallbladder seen on ultrasound or other imaging study
Indications for cholecystectomy:
(1) patient preference
(2) polyp diameter > 10 mm
(3) presence of abdominal symptoms
(4) can be done along with another operation
(5) rapid increase in size within 4 to 12 months (ratio of followup-to-initial diameter ranged from 1.4 to 4)
A lesion < 6 mm rarely is neoplastic. A lesion that is <= 10 mm in diameter can be safely monitored by imaging studies. Benign lesions show no significant increase in diameter over 1 year.
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