Fascicular sign is a finding on T2-weighted MRI images that suggests a lesion of neurogenic origin. It is characterized by multiple small ring-like structures with peripheral hyperintensity representing the fascicular bundles within the nerves.
It is found in various neurogenic tumors, including:
- 1. Murphey MD, Smith WS, Smith SE et-al. From the archives of the AFIP. Imaging of musculoskeletal neurogenic tumors: radiologic-pathologic correlation. Radiographics. 19 (5): 1253-80. Radiographics (citation) - Pubmed citation
- 2. Teh J, Whiteley G. MRI of soft tissue masses of the hand and wrist. Br J Radiol. 2007;80 (949): 47-63. doi:10.1259/bjr/53596176 - Pubmed citation
- 3. Beaman FD, Kransdorf MJ, Menke DM. Schwannoma: radiologic-pathologic correlation. Radiographics. 24 (5): 1477-81. doi:10.1148/rg.245045001 - Pubmed citation