Helm Klaus, Author at Psychiatry Advisor

Helm Klaus

All articles by Helm Klaus

Hobnail hemangioma

Are You Confident of the Diagnosis? What you should be alert for in the history Also known as targetoid hemosiderotic hemangioma, the diagnosis of hobnail hemangioma (HH) is often made in the setting of an acquired, small, annular, violaceous or brown papule surrounded by an ecchymotic ring. This is a rare, benign vascular neoplasm that…

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