J Brachial Plex Peripher Nerve Inj 2010; 05(01): e122-e123
DOI: 10.1186/1749-7221-5-2
Case report
Ahadi et al; licensee BioMed Central Ltd.

Saphenous neuropathy in a patient with low back pain[*]

Tannaz Ahadi
1   Physical Medicine and Rehabilitation Department, Iran University of Medical Sciences, Firoozgar hospital, Tehran, Iran
,
Gholam Reza Raissi
1   Physical Medicine and Rehabilitation Department, Iran University of Medical Sciences, Firoozgar hospital, Tehran, Iran
,
Mansoureh Togha
2   Neurology Department, Tehran University of Medical Sciences, Sina Hospital, Tehran, Iran
,
Parisa Nejati
3   Sports Medicine, Iran University of Medical Sciences, Iran
› Author Affiliations

Subject Editor:
Further Information

Publication History

28 August 2009

16 January 2010

Publication Date:
19 September 2014 (online)

Abstract

Saphenous nerve, a pure sensory nerve, may compromise as a result or complication of a surgical procedure or secondary to trauma or insidiously. We present a male patient with low back pain concomitant with pain in medial portion of left thigh in addition to pain and numbness in medial part of leg and inferior part of patella after a strenuous activity. Preliminary diagnosis suggested that the patient had radiculopathy but electrodiagnostic tests revealed the absence of left saphenous response both in medial leg and infrapatellar region, while normal findings were recorded from right side. Needle electromyography in L4 innervated muscles were normal. The patient had saphenous nerve entrapment in left thigh. Two months later symptoms relieved with conservative therapy.

*This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


 
  • References

  • 1 Dumitru D, Amato AA, Zwarts MJ. Electrodiagnostic medicine. Hanley & Belfos; Philadelphia: Second edition 2002: 843-845 869-870
  • 2 Edwards JC, Green TC, Riefel E. Neurilemoma of the saphenous nerve presenting as pain in the knee: a case report. J Bone joint Surg Am 1989; 71: 1410-1 2793898
  • 3 Mozes MM, Ouaknine G, Nathan H. Saphenous nervous entrapment simulating vascular disorder. Surgery 1975; 77: 299-303 1129703
  • 4 Worth RM, Kettlecamp DB, Defalque RJ, Duane KU. Saphenous nerve entrapment: a cause of medial knee pain. AM J Sports Med 1984; 12: 80-83 10.1177/036354658401200114 6703186
  • 5 Wainapel S, Kim OJ, Ebel A. Conduction studies of the saphenous nerve in healthy subjects. Arch Phys Med Rehabil 1978; 59: 316-319 210740
  • 6 Locketz AJ. Saphenous nerve conduction studies in suspected L4 radiculopathies: Friend or foe? Case report and literature review. Arch Phys Med Rehabil 2004; 85 9, e23