J Korean Soc Radiol.  2021 Nov;82(6):1613-1618. 10.3348/jksr.2020.0195.

MR Imaging Characteristics of Primary T-Cell Lymphoma of the Cauda Equina: A Case Report and Literature Review

Affiliations
  • 1Departments of Radiology, Chung-Ang University Hospital, Chung-Ang University College of Medicine, Seoul, Korea
  • 2Departments of Orthopedic Surgery, Chung-Ang University Hospital, Chung-Ang University College of Medicine, Seoul, Korea
  • 3Departments of Pathology, Chung-Ang University Hospital, Chung-Ang University College of Medicine, Seoul, Korea

Abstract

Primary central nervous system lymphoma is a rare form of extranodal non-Hodgkin lymphoma, and primary T-cell lymphoma of the cauda equina is extremely rare. We describe a case involving a 56-year-old female who presented with low back pain and radiating leg pain for 4 months. MRI of the lumbar spine revealed an elongated, multinodular intradural lesion of approximately 10 cm from the L4 body to the S2 body level with iso-signal intensity on T1-weighted imaging, heterogeneous iso- and high-signal intensity on T2-weighted imaging, and a heterogeneous intense enhancement on gadolinium contrast-enhanced T1-weighted imaging. A peripheral T-cell lymphoma of the cauda equina was diagnosed on the basis of immunohistochemical and T-cell receptor gamma gene rearrangement analysis after intradural biopsy of the mass.

Keyword

Lymphoma; T-Cell; Peripheral; Magnetic Resonance Imaging; Lumbosacral Region; Cauda Equina
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