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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