Macular lymphocytic arteritis
Synopsis

In a review of 32 cases of MLA, the mean age of onset was 40 years, with onset ranging from 6-73 years. Women and children represented 84% and 6% of all cases that were reviewed, respectively. Individuals of African descent represented the largest ethnic group affected by MLA.
The etiology of MLA is unknown. Overlap of some histological features between MLA and certain stages of cutaneous polyarteritis nodosa (C-PAN) have raised the question of whether MLA actually exists as part of a spectrum with C-PAN.
Codes
L95.8 – Other vasculitis limited to the skin
SNOMEDCT:
46286007 – Lymphocytic vasculitis of skin
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Last Updated:09/02/2020