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Scintigraphic "Doughnut Sign" on Skeletal Imaging Due to a Hemangioendothelioma of Bone

Département de Médecine Nucléaire, Hôpital Maisonneuve-Rosemont
Département de Radiologie and Service de Médecine Nucléaire, Hôpital du Sacré-Coeur, Montréal, Québec, Canada

Correspondence: For correspondence or reprints contact: Daniel McNamara, Département de Médecine Nucléaire, Hôpital Maisonneuve-Rosemont, 5415 boul. Assomption, Montréal, Québec, H1T 2M4, Canada.

ABSTRACT

A 61-yr-old patient was referred to our hospital for investigation of pain and tenderness in his left lower limb. Bone scan revealed multiple lesions of tibia and foot, several of which appeared as doughnut-like lesions and corresponded to lytic abnormalities on radiographs. Pathologic examination revealed multiple epithelioid hemangioendothelioma of bone.