melanocytoma


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melanocytoma

[mə‚lan·ə‚sī′tō·mə]
(medicine)
A benign tumor composed principally of melanocytes.
References in periodicals archive ?
(39) Another combination incorporating a population of larger, often heavily pigmented melanocytes is that of conventional nevus and pigmented epithelioid melanocytoma (see below).
Neurocutaneous Melanosis and Melanocytoma Associated with Dandy-Walker Malformation.
The histopathological examination of growth revealed fibrous dysplasia in three buffaloes and melanocytoma in two cases.
The effects of the Apostichopus japonicus extracts on skin cancer were confirmed, as cell inhibitory effects against the malignant melanocytoma of the skin, SK-Mel-2, were identified using Apostichopus japonicus extracts.
A general report of neoplasia in camels [9-12], cutaneous melanocytoma [8] and a basal cell carcinoma in a dromedary camel [2] have been previously published [11].Skin neoplasms have been reported as solitary cases in camels.
Possible diagnoses of a suspicious iris lesion other than iris melanoma include iris nevus, iris pigment epithelial cyst, iris stromal cyst, metastatic tumor of the iris, melanocytoma, iris atrophy and Cogan-Reese syndrome.
For the period from 2013 to 2016 in the veterinary clinics, JSC "Talap" and PE "Vinnikova," 643 dogs with suspected melanoma and melanocytoma were examined.
Although the dark pigmentation and nests and islands of polygonal cells prompted the differential diagnosis of a melanocytoma, the immunohistochemistry results lead to the final diagnosis of a moderately pigmented basal cell tumor.
Diffuse iris pigment dispersion and the dark pigmentation let us to be thought it could be a benign tumor, a necrotic melanocytoma or an adenoma of the pigment epithelium.
(19.) Namkoong S, Kim JY, Gye J et al: Pigmented epithelioid melanocytoma developed in a patient with Becker nevus syndrome.
Some areas covered include acquired melanocytic nevi, congenital nevi and tumefactions, blue nevi and variants, combined nevi, pigmented epithelioid melanocytoma, tumorigenic melanomas of WHO classification categories, neutrotropic melanoma, metastastic melanoma, and nonmelanocytic melanoma simulants.