Endovascular papillary angioendothelioma (Dabska tumor) of bone

Edward F. McCarthy, Steven Lietman, Pedram Argani, Frank J. Frassica

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16 Scopus citations


Endovascular papillary angioendothelioma, also known as Dabska tumor, is a rare vascular neoplasm that usually involves the skin or subcutaneous tissue of children. There have been no reported cases of this lesion occurring in bone. We report a Dabska tumor in the distal femur of a 45-year-old woman who, clinically and radiologically, was felt to have an osteoid osteoma. Histologic study of the lesion showed a hemangioma with budding fronds of endothelial cells, a feature characteristic of the Dabska tumor. We feel that the lesion arose in a pre-existing hemangioma, a hypothesis suggested in a few other case reports. Endovascular papillary angioendothelioma is a low-grade malignant neoplasm, although only one patient has died due to this lesion. Our patient is asymptomatic without evidence of recurrence 1 year post curettage.

Original languageEnglish (US)
Pages (from-to)100-103
Number of pages4
JournalSkeletal Radiology
Issue number2
StatePublished - Feb 1999


  • Bone neoplasm
  • Dabska tumor
  • Endovascular papillary hemangioendothelioma
  • Hemangioma

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging


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