NCIt related terms : MELANOMA, UVEAL, MALIGNANT; Intraocular Melanoma; Melanoma of Uvea; Melanoma of the Uvea;
NCIt definition : A melanoma derived from melanocytes of the uveal tract. It is the most common primary
intraocular tumor in the United States and Western Europe. Similar to melanoma of
the skin, it is rare in Africa and Asia. Diagnostic procedures include ophthalmoscopic
exam, fluorescein angiography and ultrasound. Treatment includes: surgical excision
of the eye, iridocyclectomy and tumor resection. Recent treatments also include radiotherapy
or photo coagulation. Classification of uveal melanomas recognizes four cell types
within these tumors: epithelioid, intermediate, mixed cell, and spindle cell types.
The spindle cell type uveal melanomas are further sub-classified as spindle cell type
A and spindle cell type B.;
Alternative definition : CDISC: A malignant neoplasm of the uvea composed of melanocytes.; NCI-GLOSS: A rare cancer of melanocytes (cells that produce the pigment melanin) found
in the eye.;