Open Access. Powered by Scholars. Published by Universities.®
- Discipline
Articles 1 - 2 of 2
Full-Text Articles in Ophthalmology
Melanocytoma Of The Optic Disk: A Review., Jerry A. Shields, Hakan Demirci, Arman Mashayekhi, Ralph C. Eagle Jr., Carol L. Shields
Melanocytoma Of The Optic Disk: A Review., Jerry A. Shields, Hakan Demirci, Arman Mashayekhi, Ralph C. Eagle Jr., Carol L. Shields
Wills Eye Hospital Papers
Melanocytoma is a deeply pigmented variant of melanocytic nevus that classically occurs in the optic disk, sometimes with contiguous involvement of the adjacent retina or choroid. Historically, this tumor was often confused with malignant melanoma both clinically and histopathologically. Today, however, it is generally recognized by its typical clinical features that differ from most melanomas and erroneous enucleation is rarely done. Histopathologically, melanocytoma is composed of intensely pigmented round to oval nevus cells with benign features. Although traditionally believed to be a relatively stationary lesion, it is now known to exhibit minor enlargement in 10--15% of cases and can cause …
Tumors Of The Conjunctiva And Cornea., Carol L. Shields, Jerry A. Shields
Tumors Of The Conjunctiva And Cornea., Carol L. Shields, Jerry A. Shields
Wills Eye Hospital Papers
Tumors of the conjunctiva and cornea comprise a large and varied spectrum of conditions. These tumors are grouped into two major categories of congenital and acquired lesions. The acquired lesions are further subdivided based on origin of the mass into surface epithelial, melanocytic, vascular, fibrous, neural, histiocytic, myxoid, myogenic, lipomatous, lymphoid, leukemic, metastatic and secondary tumors. Melanocytic lesions include nevus, racial melanosis, primary acquired melanosis, melanoma, and other ocular surface conditions like ocular melanocytosis and secondary pigmentary deposition. The most frequent nonmelanocytic neoplastic lesions include squamous cell carcinoma and lymphoma, both of which have typical features appreciated on clinical examination. …