DefinitionThis section has been translated automatically.
Into the incident light plane projected, superimposed, differently tinted spots, which can occur as a single phenomenon of malignant melanoma.
General informationThis section has been translated automatically.
Reflected light microscopy: Symmetrical, cocard-like patterns with macular pigmentation without internal structure. In the centre a dark brown to black hue predominates, surrounded by a slate grey ring with transition to a peripheral, differently red coloured seam (vascular component).
You might also be interested in
OccurrenceThis section has been translated automatically.
For small malignant melanomas, usually with a clinical diameter of less than 5 mm. Post-inflammatory melanin pigment deposits can mimic a melanoma.
HistologyThis section has been translated automatically.
Spot-like embedded melanin pigment in all skin layers, from the stratum corneum (black to dark brown) down to the stratum reticulare (slate grey to steel blue). In addition, melanophagus agglomerates in the upper dermis as well as capillary vascular ectasia and inflammatory infiltrates can be found.
LiteratureThis section has been translated automatically.
- Kreusch J, Rassner G (1991) Reflected light microscopy of pigmented skin tumors. Thieme, Stuttgart New York
- Schulz H (1997) Reflected light microscopic characteristics of small malignant melanomas. dermatologist 48: 904-909
Prof. Dr. med. Peter Altmeyer
