Tarlov Cyst

  • Rajesh GuptaEmail author


Tarlov cysts are collections of cerebrospinal fluid (CSF) between layers of the nerve root sheath near the dorsal root ganglion. They may be incidentally found on PET/MR imaging in a patient undergoing cancer-related work up. These cysts will not take up FDG on PET imaging and have characteristic MRI findings confirming it as a benign entity.


Tarlov cyst Perineural cyst FDG PET/MR 

Suggested Reading

  1. Davis SW, Levy LM, LeBihan DJ, Rajan S, Schellinger D. Sacral meningeal cysts: evaluation with MR imaging. Radiology. 1993;187(2):445–8.CrossRefPubMedGoogle Scholar
  2. Nadler SF, Bartoli LM, Stitik TP, Chen B. Tarlov cyst as a rare cause of S1 radiculopathy: a case report. Arch Phys Med Rehabil. 2001;82(5):689–90.CrossRefPubMedGoogle Scholar

Copyright information

© Springer International Publishing AG 2018

Authors and Affiliations

  1. 1.Department of RadiologyStony Brook University HospitalStony BrookUSA

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