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AJNR - American Journal of Neuroradiology

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American Journal of Neuroradiology 22:799-802 (4 2001)
© 2001 American Society of Neuroradiology

ARTICLE

Spinal Intradural Extramedullary Capillary Hemangioma: MR Imaging Findings

Bo Yoon Choi^a, Kee-Hyun Chang^,a, Gheeyoung Choe^a, Moon Hee Han^a, Sun-Won Park^a, In Kyu Yu^a, Yang Hee Park^a and Hyun Jip Kim^a

^a From the Departments of Radiology (B.Y.C., K-H.C., M.H.H., S-W.P. I.K.Y.), Pathology (G.C.), and Neurosurgery (K.J.K.), Seoul National University College of Medicine, Institute of Radiation Medicine (K-H.C., M.H.H.), SNUMRC, Department of Radiology (Y.H.P.), National Police Hospital, Seoul, Korea.

Summary: Spinal intradural extramedullary capillary hemangiomas are extremely rare. We present the MR imaging and histologic findings in three patients with this abnormality. The three patients were men who had symptoms of either myelopathy (n = 2) or radiculopathy (n = 1). The tumors were well demarcated, 1.5–2.0 cm in diameter, and were located at the posterior or posterolateral portion of the thecal sac (one at the L1 level and the other two at the midthoracic level). On MR images, the tumor showed isointensity relative to the spinal cord on T1-weighted images, hyperintensity on T2-weighted images, and strong homogeneous enhancement on contrast-enhanced T1-weighted images in all three patients. In two patients, the dural tail sign was observed. Capillary hemangioma should be included in the differential diagnosis of a spinal intradural extramedullary tumor.

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