Gastrointestinal (GI) tract tumors with melanocytic differentiation may present significant diagnostic challenges both for the pathologist and the clinician. This comprehensive review discusses the relatively common as well as rare entities that have melanocytic differentiation in the GI tract. Clinical, histologic, immunohistochemical and molecular features are discussed along with prognosis and differential diagnosis.
- clear cell sarcoma
- neuroectodermal tumor
- perivascular epithelioid cell
ASJC Scopus subject areas
- Pathology and Forensic Medicine