Neoplastic Process
iris melanoma
i·ris mel·a·no·ma
Definitions related to iris melanoma:
-
A uveal melanoma that arises from the iris. It is the most common primary malignant neoplasm of the iris. The majority arise in preexisting nevi.NCI ThesaurusU.S. National Cancer Institute, 2021
-
Malignant tumor of melanocytes affecting the iris.Human Phenotype Ontology (HPO)The Human Phenotype Ontology Project, 2021
-
Iris nevi and melanomas are the most common primary tumors of the iris, with an incidence ranging from 50-70% of all iris tumors; of these, 10-24% may be melanomas. Melanomas arise from malignant proliferation of the neuroectodermally derived iris stromal melanocytes, which replaces the normal iris stromal architecture.WebMD, 2019
Return to OpenMD Medical Dictionary
> I
This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.