Hobnail hemangioendothelioma – including Dabska and Retiform hemangioendothelioma – is a rare vascular neoplasm that behaves as a low-grade angiosarcoma. In this case report, a 40-year-old female reports a progressively growing erythematous plaque in left temporo-parietal region that progressed with ulceration and secondary infection. The patient was admitted for intravenous antibiotic therapy and biopsy. Histo...