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Gallbladder Cancer Treatment (PDQ®) - Cellular Classification

The histologic types of gallbladder cancer include the following.[1] 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.*
Undifferentiated carcinoma.*
Carcinoma, NOS.
Carcinosarcoma.

*Grade 4 by definition.

References:

Gallbladder. In: American Joint Committee on Cancer.: AJCC Cancer Staging Manual. 6th ed. New York, NY: Springer, 2002, pp 139-44.

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Last Updated: May 16, 2008

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