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ISSN : 1225-0082(Print)
ISSN : 2288-1905(Online)
The Medical Journal of Chosun University Vol.44 No.1 pp.49-52

Focal denervation myositis associated with sciatic neuropathy misdiagnosed as lumbar herniated nucleus pulposus

Seounghun Lee,Chan Noh,Boohwi Hong,Sunyeul Lee,Youngkwon Ko,Yeojung Kim
Department of Anesthesiology and Pain Medicine, College of Medicine, Chungnam National University, Daejeon, Korea
Corresponding author Yeojung Kim Department of Anesthesiology and Pain Medicine, Chungnam National University Hospital, 282 Munhwaro, Jung-gu, Daejeon 35015, Korea Tel: +82-42-280-7840 Fax: +82-42-280-7968


Focal myositis is a rare disease associated with inflammatory changes invading the skeletal muscles and may be triggered by nerve lesion. We describe a case of 33-year-old woman who was diagnosed focal denervation myositis of piriformis and gluteal muscles associated with sciatic neuropathy because of severe uterine enlargement due to twin pregnancy misdiagnosed as lumbar herniated nucleus pulposus. MRI is one of the key diagnostic tools in the assessment of focal denervation myositis for differential diagnosis. Nonsteroidal anti-inflammatory drugs are commonly used for treatment of focal myositis. Spontaneous regression is obtained in numerous cases.

요추부 디스크 탈출증으로 오인된 좌골 신경병증과 연관된 국소 탈신경 근육염

충남대학교 의과대학 마취통증의학교실