What is your diagnosis? A solitary purple papule on the arm—Answer

What is your diagnosis? A solitary purple papule on the arm—Answer

Kaposi sarcoma (KS) was first described by Kaposi in 1872. There are four clinical types of the disease: classic, endemic, epidemic and iatrogenic [1]. Iatrogenic KS develops in patients taking immunosuppressive treatment. Bluish-reddish coloration is seen in 84% of KS lesions in dermatoscopy. Rainbow pattern and scaly surface are other dermatoscopic features of KS (36% and 15%, respectively) [...

What is your diagnosis? A solitary purple papule on the arm

A 54-year-old woman with immune thrombocytopenic purpura (ITP) referred to our dermatology department with a three-week-history of a purple-colored lesion on her right arm. The patient was on treatment with oral prednisone at 20 mg/day for ITP and levothyroxine at 25 mg/day for hypothyroidism. No topical treatment was prescribed or used before our consultation. Dermatological examination reveal...

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what is your diagnosis?

A middle-aged lady with an asymptomatic, hyperpigmented plaque on the thigh: what is your diagnosis?

CLINICAL PRESENTATIONA 44-year-old lady came to a dermatology clinic due to an asymptomatic, hyperpigmented plaque on her right thigh since 4 months ago. On physical exam, hypertrichosis on the lesion was notable (Figure 1). Rubbing the lesion resulted in erythema and edema of the lesion. She had no systemic disease and her family history was unremarkable.