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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
- Spindle B and fascicular melanomas are made up of cohesive cells having distinct spindle-shaped nuclei with prominent nucleoli. The cytoplasm is indistinct, and the cell borders are not clearly seen by light microscopy. This cell type comprises 39 percent of ciliary body and choroidal melanomas. The fascicular type is a subgroup of spindle B melanomas in which the spindle-shaped cells form a pallisaded arrangement termed a fascicular pattern. They account for approximately 6 percent of choroidal melanomas.
---thumb.jpg/image-square;max$79,0.ImageHandler "Subretinal Tumor")
---thumb.jpg/image-square;max$79,0.ImageHandler "Orbital Fat Invasion, melanoma.")