A papulonodular eruption which is clinically benign but histologically malignant occurred in a 52-year-old man. During the last five years this patient has shown a continual appearance and disappearance of asymptomatic reddish papules which leave a brownish pigmentation or a small, shallow scar after a duration of two to four weeks. Some of the papules develop a central necrosis with a small ulcer and others show a small hemorrhage in the center, with a black crust. Whereas the clinical course is benign and self-limited, the histologic picture is suggestive of a malignant disease. The similarity to other described cases suggests the existence of a new dermatological entity.
Feuerman EJ, Sandbank M. Lymphomatoid Papulosis: An Additional Case of a New Disease. Arch Dermatol. 1972;105(2):233–235. doi:10.1001/archderm.1972.01620050043009
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