melanocytosis


Also found in: Encyclopedia.

melanocytosis

Excessive numbers of MELANOCYTES.
References in periodicals archive ?
(131) One might also include in this category melanomas arising in areas of dermal melanocytosis (eg, nevus of Ota).
Condition known as "dark rings under the eyes" in the Japanese population is a kind of dermal melanocytosis which can be successfully treated by Q-switched ruby laser.
Elkind, "Child Neurology: Exaggerated dermal melanocytosis in a hypotonic infant: A harbinger of GM1 gangliosidosis," Neurology, vol.
Thus, most of the iris nodules can be accompanied by NF type 1, phakomatosis pigmentovascularis (PPV) type IIb, and oculodermal melanocytosis [1-7].
Of these extremely rare lesions, the most commonly found is the prostatic blue nevus, also known as pigmented melanocytosis or prostatic pigmentary nevohyperplasia [1].
Carlson, "Bedner tumor associated with dermal melanocytosis: Melanocytic colonization or neuroectodermal multidirectional differentiation?" Journal of Cutaneous Pathology, vol.
Lifetime prevalence of uveal melanoma in white patients with oculo (dermal) melanocytosis. Ophthalmology.
Asymptorr, tic neurocutaneous melanocytosis in patients with large congenital melanocytic nevi: a study of cases from an Internet-based registry.
Ocular/Oculodermal melanocytosis: Ocular or oculodermal melanocytosis is a condition characterized by hyperpigmentation of the episclera, uvea and skin, and is more common in black, Hispanic and Asian populations.
Large or multiple congenital melanocytic nevi: Occurrence of neurocutaneous melanocytosis in 1008 persons.
NCH is a type of dermal melanocytosis. Dermal melanocytosis includes a variety of pigmented lesions that are formed from the aberrant development of neural crest-derived melanocytes as they migrate to the dermis during embryogenesis [4].
Barbara Gilchrest and her associates first highlighted the presence of "actinic melanocytosis" when they reported many years ago that the basal layer of sun-damaged skin in patients of all ages contains twice the expected number of melanocytes (J.