Introduction A benign vascular tumor of bone that often occurs in the vertebral bodies and cranio-facial bones Presentation Symptoms may be asymptomatic may present with pain or pathologic fx Imaging Radiographs lytic lesion characteristic vertical striations giving a "honey-comb" or "jail-bar" appearance may be multi-focal Bone scan is warm to hot Histology Characteristic histology cavernous lesions with numerous thin walled blood vessels Treatment Nonoperative observation along is indicated if the patient is asymptomatic Operative curettage and bone grafting indicated if the lesion is symptomatic and accessible low dose radiation (25 to 40 Gy) indicated if the lesion is symptomatic and inaccessible Image Bank Location Xray Xray CT B. Scan MRI MRI Histo(1) Case A pelvis Case B pelvis Case C spine Case D spine Case E spine (1) - histology does not always correspond to clinical case
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