Abstract
Gallbladder cancers (GBCs) detected at pathological examination for suspected benign gallbladder disease are known as incidental GBCs. These post-cholecystectomy GBCs (PCGBCs) constitute a small fraction of all cholecystectomies. The proportion of these PCGBCs is unknown in endemic regions like North India. We planned to study the proportion and epidemiology of these PCGBCs in a high-volume center in North India. We reviewed the histopathology reports of gallbladder specimens for a 5-year period between 1 January 2014 and 31 December 2018, from a prospectively maintained pathology database. Patient demographics, place of referral (academic/non-academic center), and tumor characteristics were recorded. Descriptive statistics are used to demonstrate the distribution of various factors. Of the 8227 gallbladder specimens examined, cancer was found in 162 specimens. Thus, the proportions of GBC in these cases were 1.96%. The T stage of the tumor was T1a in 6 (3.8%), T1b in 35 (22.2%), T2 in 61 (38.8%), and T3 in 55 (35%). Liver bed margins were positive in 32/103 (31%). Of the evaluable 108 cystic duct margins, 16 (14.8%) were positive. Both margins were positive in 7/77 (9%) specimens and at least one margin was positive in 26/77 (33.7%) patients. This is the first study to demonstrate the high proportion of PCGBCs in high incidence area. This study provides a compelling reason to investigate this high PCGBC numbers. Routine histopathological evaluation of gallbladder should be done with diligence as this could alter the prognosis of a patient, especially in areas of high GBC incidence.
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Agarwal, A., Malhotra, K.P. Gallbladder Cancer in Simple Cholecystectomy Specimens—an Analysis of 8227 Gallbladders from an Endemic Region. Indian J Surg Oncol 14, 859–863 (2023). https://doi.org/10.1007/s13193-023-01792-y
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DOI: https://doi.org/10.1007/s13193-023-01792-y