|Description||This chapter describes dermoscopyDermoscopy is a non invasive diagnostic method. of angiokeratomaThis glossary term has not yet been described.|
|Author(s)||Pedro Zaballos · Ignacio Gómez Martín|
|Owner||Pedro Zaballos → send e-mail|
|Status update||August 5, 2017|
|Status by||Ralph P. Braun|
Angiokeratomas are acquired vascular lesions that present as shiny, soft, dark red to violaceous, 2–10 mm papules which may develop a blue-violaceous to black colorColor (American English) or colour (Commonwealth English) is the characteristic of human visual perception described through color categories, with names such as red, yellow, purple, or blue. and a surface scale. Four clinical subtypes of angiokeratomas have been described: solitary angiokeratoma (the most common type), angiokeratoma of Mibelli, angiokeratoma of Fordyce, and angiokeratoma corporis diffusum.
- Dark lacunaeThis glossary term has not yet been described.: sharply demarcated, ovoid structures with a dark blue, dark violaceous or black color.
- Blue-White veil: confluent blue pigmentation with an overlying whitish haze.
- Ulceration and surface scale may be present.
- Rarely, rainbow patternCircumscribed structureless areas displaying colors of the whole spectrum of visible light may be present.