DDx
Diagnostic Considerations
Also consider the following:
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Hemangioproliferative diseases (eg, capillary and cavernous hemangiomas)
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Hemosiderotic fibrohistiocytic lipomatous lesion [11]
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Pigmented purpuric lichenoid dermatitis of Blum
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Purpura annularis telangiectodes (Majocchi purpura)
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Stewart-Blufarb syndrome [12]
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Vasculitis
Pseudo-Kaposi sarcoma can be misdiagnosed as AIDS-related Kaposi sarcoma (as a relatively greater prevalence of AIDS-related Kaposi sarcoma exists). Treating acroangiodermatitis as Kaposi sarcoma (eg, with grafting and irradiation) is another diagnostic pitfall. A case report described acroangiodermatitis of the plantar aspect of the foot related to chronic venous insufficiency, misdiagnosed for 2 years. [13]
Differential Diagnoses
Media Gallery
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The physical findings in this patient who is HIV negative remained the same over a 3-year period.
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Lesions on the shin of a patient who is HIV negative.
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Acroangiodermatitis on histopathologic examination.
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Example of acroangiodermatitis on histopathologic examination.
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Higher-power view of acroangiodermatitis on histopathologic examination.
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Classic Kaposi sarcoma on the foot of an elderly patient who is HIV negative. Compare this photo to the clinical photos of acroangiodermatitis.
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Classic Kaposi sarcoma on histopathologic examination.
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