Pol. Merkur. Lek (Pol. Med. J.), 2018, XLV/269: 201-204 Maximize

Pol. Merkur. Lek (Pol. Med. J.), 2018, XLV/269: 201-204

Title: Perineural cysts 

Authors: Kozłowski P, Kalinowski P, Jankiewicz M, Kozłowska M, Bilski M, Budny A, Słabczyński P, Łukowski M, Szczypiór G, Burdan F. 

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Perineural cysts

Kozłowski P1,2, Kalinowski P3, Jankiewicz M1, Kozłowska M4, Bilski M5, Budny A1,2, Słabczyński P2, Łukowski M1, Szczypiór G6, Burdan F1,2.

1St Johns’ Cancer Center in Lublin; 2Department of Human Anatomy, Medical University of Lublin; 3Independent Epidemiology Unit, Medical University of Lublin; 4Oncology Department, Medical University of Lublin; 5Martine Medical Center in Gadansk, Poland

Perineural cyst (Tarlov cyst) is a lesion in a form of fluid-filled sacks, usually located within the nerve root sheath at the posterior root of a spinal nerve, whose wall is formed by: endoneurium, peripheral nerve fibers and ganglion cells and areolar tissue. Depending on the studied population, the frequency of lesion occurence was estimated at 1.5- 13.2%, with its significant majority occuring in women. Cyst development may be the result of ischemia, hemorrhage, inflammation or trauma. Cysts are usually asymptomatic theefore they are likely to bo detected accidentally. However, in approximately 1/4 of the cases, the cyst puts so much pressure on the nerve and the neighbouring nerve roots that it becomes symptomatic (causes pain). The presence of clinical symptoms may be an indication for conservative treatment (i.e. analgesics, rehablitation, cyst puncture) or surgery (usually laminectomy).

Key words: perineural cyst, Tarlov cyst, epidemiology

Pol Med J, 2018; XLV (269); 201–204