Majocchi's disease, also known as Purpura annularis telangiectodes of Majocchi is a not-well-recognized and uncommon skin condition characterized by purple/bluish-red 1- to 3-cm annular patches composed of dark red

telangiectases Telangiectasias, also known as spider veins, are small dilated blood vessels that can occur near the surface of the skin or mucous membranes, measuring between 0.5 and 1 millimeter in diameter. These dilated blood vessels can develop anywhere on ...

with

petechiae A petechia () is a small red or purple spot (≤4 mm in diameter) that can appear on the skin, conjunctiva, retina, and mucous membranes which is caused by haemorrhage of capillaries. The word is derived from Italian , 'freckle,' of obscure origin ...

. It is one of a group of disorders referred to as pigmented purpuric dermatosis that all occur as a result of vascular inflammation and pigment deposition.

Treatment

Majocchi's disease is a chronic condition for which there is no cure. It often follows a recurrent course of alternating improvement and flares. There are treatments available to help improve the symptoms for some individuals, but responses vary. Some of these treatments include the application of topical steroids and ultraviolet therapy. The use of narrowband UVB and psoralen have shown to be effective treatments for some patients with pigmented purpuric dermatoses.

References

{{Pigmentation disorders Vascular-related cutaneous conditions