He also had hepatitis b infection recognized at childhood and he had been followed by gastroenterology department with regular interval. A skin biopsy suggested a diagnosis of purpura annularis telangiectodes of majocchi. Histopathology and immunopathogenesis of this disease are similar to the other subtypes of pigmented purpuric dermatoses. Numerous extravasated erythrocytes and scattered hemosiderin-laden histiocytes are present within the lichenoid infiltrate.
The morphology is typically a 1-3cm annular plaque with punctate telangiectasias and cayenne pepper petechiae in the border. Purpura annularis telangiectodes majocchi, morbus majocchi, purpura annularis telangiectodes. Purpura annularis telangiectodes of majocchi.
The etiopathogenesis of disease remains obscure yet 1, . Purpura annularis telangiectodes majocchi. Lesions consist of small plaques 1 to 3 cm in diameter that are annular in configuration, often with a central clearing or atrophy. This variant is most common in adolescents or young adults and is more frequent in women.
Over time, the individual lesions can become darker and fade but new lesions appear. The purple, yellow or brown plaques consist of telangiectases and haemosiderin staining of the skin. Capillaritis of unknown aetiology occurring especially in adolescents and young adults.