Gallbladder cancer classification

Gallbladder cancer Microchapters
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

• The most common type is gallbladder adenocarcinoma

Classification

The histologic types of gallbladder cancer include the following. Some histologic types have a better prognosis than others; papillary carcinomas have the best prognosis.

• Carcinoma in situ.
• Adenocarcinoma, not otherwise specified (NOS).
• Papillary carcinoma.
• Adenocarcinoma, intestinal type.
• Mucinous carcinoma.
• Clear cell adenocarcinoma.
• Signet-ring cell carcinoma.
• Adenosquamous carcinoma.
• Squamous cell carcinoma.
• Small cell (oat cell) carcinoma.(Grade 4 by definition)
• Undifferentiated carcinoma.(Grade 4 by definition)
• Carcinoma, NOS.
• Carcinosarcoma.