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Pictorial Essay: Diverse Imaging Features of Spinal Schwannomas

Parmar, Hemant A. MD*; Ibrahim, Mohannad MD*; Castillo, Mauricio MD†; Mukherji, Suresh K. MD*

Journal of Computer Assisted Tomography:
doi: 10.1097/01.rct.0000243449.48857.ec
Neuroimaging: Review Article
Abstract

In this pictorial review, we present diverse imaging features of spinal schwannomas with an idea to familiarize spine imagers with the varied spectrum of presentation of these tumors. Different types of spinal schwannomas presented include multiple schwannoma (n = 3), schwannoma with cystic degeneration (n = 3), schwannoma with hemorrhage (n = 2), melanotic schwannoma (n = 1), intraosseous schwannoma (n = 2), schwannoma growing into the foramen transversarium (n = 1), intramedullary schwannoma (n = 1), large or giant schwannoma (n = 1), malignant schwannoma (n = 2), and infarcted schwannoma (n = 1). We present imaging findings in these cases and review their differential diagnosis. Awareness of the uncommon presentations of these seemingly common tumors is important in offering a correct diagnosis.

Author Information

From the *Department of Radiology, University of Michigan, Ann Arbor, MI; and †Department of Radiology, University of North Carolina, Chapel Hill, NC.

Received for publication June 16, 2006; accepted August 3, 2006.

Reprints: Hemant Parmar, MD, Department of Radiology, University of Michigan, Taubman Center/B1/132 F, 1500 East Medical Center Drive, Ann Arbor, MI 48105 (e-mail: hparmar@umich.edu, parurad@hotmail.com).

© 2007 Lippincott Williams & Wilkins, Inc.