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MRI diagnosis and preoperative evaluation for pure epidural cavernous hemangiomas by Jie Feng; Yi-Kai Xu; Long Li; Rui-Meng Yang; Xiang-Hua Ye; Nan Zhang; Tian Yu; Bing-Quan Lin is a Medicine article available to read on EtoBox.

What is MRI diagnosis and preoperative evaluation for pure epidural cavernous hemangiomas about?

Introduction The aims of the study were to summarize the characteristics of the spinal epidural cavernous hemangioma, especially for the MRI, and to improve the accurate rate of the preoperative diagnosis. Methods The clinical and medical imaging data of six patients with pure spinal epidural cavernous hemangioma proved by operation and pathology were analyzed retrospectively. Results The level was thoracic (n=2), thoracolumbar (n= 1), lumbar (n=1), and sacral (n=2). The tumor showed lobulated contour, and the areas the tumors appeared were dorsal side of spinal cord (n=2), ventral side (n=1), and lateral side (n=3). In all six patients, the lesions were isointense to the spinal cord on T 1 -weighted images and hyperintense on T 2 -weighted images and showed homogeneously strong enhancement on contrast-enhanced T 1weighted images. The characteristic MRI features were named as the "wafting-silk" sign. Widening of the intervertebral neural foramen (n=4) and erosion of the adjacent bones (n=3) can be observed. Conclusions MRI of the epidural cavernous hemangioma showed the characteristic lobulated contour, which encircled the spinal cord. T 1 WI on the MRI presented as isointense and

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Author

Jie Feng; Yi-Kai Xu; Long Li; Rui-Meng Yang; Xiang-Hua Ye; Nan Zhang; Tian Yu; Bing-Quan Lin

Publisher

Springer Science and Business Media LLC

Published

2009

Language

EN

Field

Medicine (Health Sciences)