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Pitfalls in the electrodiagnostic studies of sacral plexopathies.
Muscle Nerve. 2007 Jun; 35(6):725-9.MN

Abstract

This retrospective review characterizes the electrodiagnostic (EDX) features and etiologies of sacral plexopathies (SPs) and discusses difficulties in their identification. The EDX findings of 171 clinically suspected SPs were reviewed using the following criteria: reduced/absent sensory nerve action potentials (SNAPs) of the sural or superficial peroneal nerve, denervation of plexus-innervated muscles, and the absence of paraspinal denervation. Sixty cases localized unequivocally to the sacral plexus. The majority were cancer-related, followed by traumatic, idiopathic, and iatrogenic causes. Final diagnoses in the remaining 111 cases were indeterminate. Lesions localized to either the plexus or L4-5, S1 roots in 52 cases, the plexus or sciatic nerve in 32 cases, and were equally compatible with an SP, sciatic neuropathy, or radiculopathy in 27 cases. Findings in the EDX evaluation of SPs are often complex and difficult to localize to a specific site due to multiple complicating factors. Frequently, SPs cannot be diagnosed definitively by EDX assessment alone.

Authors+Show Affiliations

Naval Medical Center Portsmouth, 620 John Paul Jones Circle, Division of Neurology, Portsmouth, Virgina 23703, USA. jotavee@mar.med.navy.milNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

17366592

Citation

Tavee, Jinny, et al. "Pitfalls in the Electrodiagnostic Studies of Sacral Plexopathies." Muscle & Nerve, vol. 35, no. 6, 2007, pp. 725-9.
Tavee J, Mays M, Wilbourn AJ. Pitfalls in the electrodiagnostic studies of sacral plexopathies. Muscle Nerve. 2007;35(6):725-9.
Tavee, J., Mays, M., & Wilbourn, A. J. (2007). Pitfalls in the electrodiagnostic studies of sacral plexopathies. Muscle & Nerve, 35(6), 725-9.
Tavee J, Mays M, Wilbourn AJ. Pitfalls in the Electrodiagnostic Studies of Sacral Plexopathies. Muscle Nerve. 2007;35(6):725-9. PubMed PMID: 17366592.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Pitfalls in the electrodiagnostic studies of sacral plexopathies. AU - Tavee,Jinny, AU - Mays,Maryann, AU - Wilbourn,Asa J, PY - 2007/3/17/pubmed PY - 2007/7/13/medline PY - 2007/3/17/entrez SP - 725 EP - 9 JF - Muscle & nerve JO - Muscle Nerve VL - 35 IS - 6 N2 - This retrospective review characterizes the electrodiagnostic (EDX) features and etiologies of sacral plexopathies (SPs) and discusses difficulties in their identification. The EDX findings of 171 clinically suspected SPs were reviewed using the following criteria: reduced/absent sensory nerve action potentials (SNAPs) of the sural or superficial peroneal nerve, denervation of plexus-innervated muscles, and the absence of paraspinal denervation. Sixty cases localized unequivocally to the sacral plexus. The majority were cancer-related, followed by traumatic, idiopathic, and iatrogenic causes. Final diagnoses in the remaining 111 cases were indeterminate. Lesions localized to either the plexus or L4-5, S1 roots in 52 cases, the plexus or sciatic nerve in 32 cases, and were equally compatible with an SP, sciatic neuropathy, or radiculopathy in 27 cases. Findings in the EDX evaluation of SPs are often complex and difficult to localize to a specific site due to multiple complicating factors. Frequently, SPs cannot be diagnosed definitively by EDX assessment alone. SN - 0148-639X UR - https://www.unboundmedicine.com/medline/citation/17366592/Pitfalls_in_the_electrodiagnostic_studies_of_sacral_plexopathies_ L2 - https://doi.org/10.1002/mus.20769 DB - PRIME DP - Unbound Medicine ER -