Benign Epithelial Melanosis of the Conjunctiva

Preferred Label : Benign Epithelial Melanosis of the Conjunctiva;

NCIt synonyms : Complexion-Related Melanosis; Constitutional Melanosis;

NCIt definition : A benign melanocytic lesion that arises from the conjunctiva and is characterized by the presence of increased melanin pigmentation within the conjunctival melanocytes. Atypical features such as mitotic activity, nuclear enlargement, and prominent nucleoli are absent. It is usually bilateral and is frequently seen in people with Fitzpatrick skin types IV -VI. In White populations the occurrence is low. The prognosis is very good and malignant transformation to melanocytic intraepithelial neoplasia and/or melanoma is very rare.;

Neoplastic status : Benign;

Détails

Origin ID

C213094;

Disease excludes abnormal cell
- Malignant Cell [NCIt concept]
Disease may have findings
- HMB-45-Positive Neoplastic Cells Present [NCIt concept]
- S-100-Positive Neoplastic Cells Present [NCIt concept]
Excludes anatomical site(s)
- Lymphatic System [NCIt concept]
Has associated anatomic sites
- Adnexa [NCIt concept]
- Conjunctiva [NCIt concept]
- Eye [NCIt concept]
- Head and Neck [NCIt concept]
- Ocular Adnexa [NCIt concept]
disease_excludes_finding
- Malignant Cellular Infiltrate [NCIt concept]
disease_has_abnormal_cell
- Neoplastic Cell [NCIt concept]
- Neoplastic Melanocyte [NCIt concept]
disease_has_finding
- Benign Cellular Infiltrate [NCIt concept]
- Increased Melanin Pigmentation in Melanocytes Present [NCIt concept]
disease_has_normal_cell_origin
- Melanocyte [NCIt concept]
disease_has_primary_anatomic_site
- Conjunctiva [NCIt concept]
- Eye [NCIt concept]
- Head and Neck [NCIt concept]
- Ocular Adnexa [NCIt concept]

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