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Electromyographic Abnormalities Associated with Symptomatic Sacral Tarlov Cysts.
Pain Pract. 2016 06; 16(5):E81-8.PP

Abstract

Tarlov or perineural cysts (TC) are commonly overlooked as a cause of sacral and ischial pain, and urogenital and bowel problems. TC can be seen on MRI, but are often considered asymptomatic. This is especially true for smaller cysts. Moreover, there are only few diagnostic characteristics that can be used to confirm that the cysts are the cause of the symptoms. As a consequence, a lot of controversy remains regarding the clinical importance of TC. Because of this underdiagnosed condition, patients often suffer for several years from unrecognized chronic neuropathic pain and neurological conditions. In this article, case reports of three patients with giant and smaller symptomatic sacral cysts are presented, in which electromyographic testing was performed to demonstrate nerve damage. We suggest that electromyography of the sacral nerve roots can be a reasonable tool for the diagnosis of symptomatic TC, as well as for the differentiation from other pathological entities causing sacral and ischial pain. Moreover, using electromyography it was also documented that smaller cysts of < 1 cm can cause nerve damage. Therefore incidence of symptomatic TC may be higher than initially thought.

Authors+Show Affiliations

Musculoskeletal Rehabilitation Research Unit, Department of Rehabilitation Sciences, Faculty of Kinesiology and Rehabilitation Sciences, University of Leuven, Leuven, Belgium.Clinical Electromyography Laboratory, University Hospitals, Leuven, Belgium.Musculoskeletal Rehabilitation Research Unit, Department of Rehabilitation Sciences, Faculty of Kinesiology and Rehabilitation Sciences, University of Leuven, Leuven, Belgium.Department of Social and Primary Health Care, Public Health Nutrition, University of Leuven, Leuven, Belgium.Department of Pain Therapy, Imelda Hospital, Bonheiden, Belgium.

Pub Type(s)

Case Reports
Journal Article

Language

eng

PubMed ID

26952047

Citation

Hulens, Mieke, et al. "Electromyographic Abnormalities Associated With Symptomatic Sacral Tarlov Cysts." Pain Practice : the Official Journal of World Institute of Pain, vol. 16, no. 5, 2016, pp. E81-8.
Hulens M, Bruyninckx F, Dankaerts W, et al. Electromyographic Abnormalities Associated with Symptomatic Sacral Tarlov Cysts. Pain Pract. 2016;16(5):E81-8.
Hulens, M., Bruyninckx, F., Dankaerts, W., Vansant, G., & De Mulder, P. A. (2016). Electromyographic Abnormalities Associated with Symptomatic Sacral Tarlov Cysts. Pain Practice : the Official Journal of World Institute of Pain, 16(5), E81-8. https://doi.org/10.1111/papr.12441
Hulens M, et al. Electromyographic Abnormalities Associated With Symptomatic Sacral Tarlov Cysts. Pain Pract. 2016;16(5):E81-8. PubMed PMID: 26952047.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Electromyographic Abnormalities Associated with Symptomatic Sacral Tarlov Cysts. AU - Hulens,Mieke, AU - Bruyninckx,Frans, AU - Dankaerts,Wim, AU - Vansant,Greet, AU - De Mulder,Peter A, Y1 - 2016/03/08/ PY - 2015/11/18/received PY - 2015/12/02/accepted PY - 2016/3/9/entrez PY - 2016/3/10/pubmed PY - 2017/2/10/medline KW - Tarlov cysts KW - electromyographic testing KW - electromyography KW - pelvic pain KW - sacral pain KW - sciatica SP - E81 EP - 8 JF - Pain practice : the official journal of World Institute of Pain JO - Pain Pract VL - 16 IS - 5 N2 - Tarlov or perineural cysts (TC) are commonly overlooked as a cause of sacral and ischial pain, and urogenital and bowel problems. TC can be seen on MRI, but are often considered asymptomatic. This is especially true for smaller cysts. Moreover, there are only few diagnostic characteristics that can be used to confirm that the cysts are the cause of the symptoms. As a consequence, a lot of controversy remains regarding the clinical importance of TC. Because of this underdiagnosed condition, patients often suffer for several years from unrecognized chronic neuropathic pain and neurological conditions. In this article, case reports of three patients with giant and smaller symptomatic sacral cysts are presented, in which electromyographic testing was performed to demonstrate nerve damage. We suggest that electromyography of the sacral nerve roots can be a reasonable tool for the diagnosis of symptomatic TC, as well as for the differentiation from other pathological entities causing sacral and ischial pain. Moreover, using electromyography it was also documented that smaller cysts of < 1 cm can cause nerve damage. Therefore incidence of symptomatic TC may be higher than initially thought. SN - 1533-2500 UR - https://www.unboundmedicine.com/medline/citation/26952047/Electromyographic_Abnormalities_Associated_with_Symptomatic_Sacral_Tarlov_Cysts_ L2 - https://doi.org/10.1111/papr.12441 DB - PRIME DP - Unbound Medicine ER -