Melanocytosis dermal (overview)D22.-
Synonym(s)
dermal melanocytosis
DefinitionThis section has been translated automatically.
Benign, congenital or in the first months of life manifesting, rarely later acquired (acquired dermal melanocytosis), blue to blue-grey spots or patches, which are characterized histologically by a proliferation of dermal, pigmented, spindle and/or dendritic cells.
ClassificationThis section has been translated automatically.
The following subdivision can be made according to their distribution pattern:
- Mongolian spot
- Naevusfuscocoeruleus ophthalmomaxillaris (Naevus Ota)
- Nevus fuscocoeruleus deltoideoacromialis (nevus Ito)
- Acquired dermal melanocytosis (ADM) - (back, nose, hands)
Complication(s)(associated diseasesThis section has been translated automatically.
Combination with other malformations (see below the respective clinical pictures).
Progression/forecastThis section has been translated automatically.
There is a tendency to regress during childhood. Acquired dermal melanocytosis persists throughout life.
LiteratureThis section has been translated automatically.
- Baroody M, Holds JB (2004) Extensive locoregional malignant melanoma transformation in a patient with oculodermal melanocytosis. Plast Reconstr Surg 113: 317-322.
- Goncharuk V et al. (2003) Bednar tumor associated with dermal melanocytosis: melanocytic colonization or neuroectodermal multidirectional differentiation? J Cutan Pathol 30: 147-151.
- Grimaux X et al. (2020) An unusual brownish patch on the back of a 74-year-old Caucasian man. J Dtsch Dermatol Ges 18:638-640.
- Hanson M et al. (2003) Association of dermal melanocytosis with lysosomal storage disease: clinical features and hypotheses regarding pathogenesis. Arch Dermatol 139: 916-920
- Rubin AI et al. (2001) Acquired dermal melanocytosis: appearance during pregnancy. J Am Acad Dermatol 45: 609-613