Lichen aureus: clinicopathological features in a Chinese series

The pathological spectrum and clinical correlation of pigmented purpuric dermatosis—A retrospective review of 107 cases

“…One possible reason was that the experienced clinician did not biopsy typical case of PPD, especially Schamberg disease. The ratio of lichen aureus was higher in our study (23/107, 21.5%), but the case number was similar to a recently reported case series in China that 25 cases of lichen aureus were identified within 10 years . Previous literature also reported Majocchi disease is more common in females, while pigmented purpuric lichenoid dermatitis of Gougerot and Blum is more predominant in the male .…”

“…However, the pathological features of PPD also range in duration and exhibit clinical variations. These differences can be as subtle as mild perivascular mononuclear cell inflammatory infiltrate, scant amount of erythrocyte extravasation and focal hemosiderin deposition in the papillary dermis, or can encompass dense lichenoid infiltration, spongiosis or granulomatous infiltration …”

Lichen aureus with pseudolymphomatous infiltrate

“…Histopathologically it is characterized by a dense band‐like lymphohistiocytic usually confined to the papillary dermis, extravasation of erythrocytes, and hemosiderin deposits. Additional periadnexal and perineural inflammation is rarely found in LA 5 …”

Pigmented Purpuric Dermatosis: A Review of the Literature

“…Perls and Fontana-Masson staining shows hemosiderin (iron) deposits in the superficial dermis, setting DPP apart from stasis dermatitis, which has deeper deposits. 2 A characteristic finding of lichen aureus is an intact epidermis separated from a band-like dermal infiltrate by an area of spared connective tissue (Grenz area) 27 (Fig. 6).…”