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By Lancaster Course in Ophthalmology
1980 - Uploaded on Mar 4, 2019.
- Last modified by Caroline Bozell on Mar 14, 2019.
- Rating
- Appears in
- Unit 14 Melanomas of the Eyes
- Condition/keywords
- melanoma
- Description
- Mixed cell type consists of a neoplasm showing a significant spindle cell population (usually spindle B) together with numerous epithelioid components. It should be noted that the term 'mixed cell type does not refer to tumors composed of spindle A and spindle B cells but rather tumors containing spindle cell and epithelioid cells. This is the most common type of uveal and choroidal melanoma, accounting for 45 percent of lesions.