Slowly growing exophytic hyperpigmented nodule of the calf

Abstract

An 84-year-old male Caucasian patient presented with an exophytic pigmented tumor on his right calf. The lesion had started out as a pigmented patch one year earlier, and had subsequently evolved into a bleeding tumor. Clinical examination revealed a hyperpigmented, ulcerated, pedunculated lesion (3 × 3.5 cm) arising from a brownish patch. In the vicinity of the tumor, there were several pale-violaceus nodular lesions that were nontender to palpation (Figure 1 ).

Purple papules during anti‐PD1 immunotherapy for metastatic melanoma

“…Clinical presentation of KS varies considerably, since lesions may appear as macules, papules, plaques, nodules with or without ulceration, purplish-reddish or brownish in color on the skin or mucosa [1,4]. Dermatoscopy can be useful in diagnosis of KS, showing the structureless polychromatic zone and rainbow pattern that is currently considered to be a highly predictive (albeit not exclusive) feature of the disease [5].…”