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Early gallbladder cancer.

Gajanan D Wagholikar¹, Anu Behari, Narendra Krishnani

¹Department of Surgical Gastroenterology, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, India.

Journal of the American College of Surgeons

|February 19, 2002

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Early gallbladder cancer (GBC) confined to the mucosa (pT1a) can be treated with simple cholecystectomy. However, tumors extending to the muscularis (pT1b) require extended cholecystectomy for a chance at cure.

Area of Science:

Oncology
Surgical Gastroenterology
Pathology

Background:

Gallbladder cancer (GBC) is often diagnosed at advanced, unresectable stages.
Early GBC (EGBC), confined to mucosa (pT1a) or muscularis (pT1b), offers better long-term survival.
Management guidelines for EGBC are not well-defined, leading to treatment controversies.

Purpose of the Study:

To evaluate diagnostic methods for early gallbladder cancer.
To assess the impact of different surgical procedures on survival outcomes in EGBC patients.

Main Methods:

Analysis of clinicopathological details and survival data from 14 EGBC patients (pT1a or pT1b).
Definition of EGBC based on TNM classification.
Review of surgical interventions: simple versus extended cholecystectomy.

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Main Results:

Preoperative diagnosis was challenging; most cases were incidental findings post-cholecystectomy for gallstones.
12 patients had pT1b lesions, 2 had pT1a.
5-year survival was 68%; treatment failures (recurrence, death) occurred in pT1b cases treated with simple cholecystectomy.

Conclusions:

Simple cholecystectomy is sufficient only for mucosal GBC (pT1a).
Extended cholecystectomy is necessary for pT1b tumors.
Reoperation for extended cholecystectomy is crucial for incidentally discovered muscularis-invading GBC to achieve cure.