Electromyographic Detection of Paraspinal Muscle Metastasis

LaBan, Myron M.; Tamler, Martin S.; Wang, Ay-Ming; Meerschaert, Joseph R.

doi:10.1097/00007632-199210000-00003

Cited by 18 publications

(1 citation statement)

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“…Paraspinal muscles may be abnormal in patients with spinal cancers 22,23 or amyotrophic lateral sclerosis 24 and in those who have undergone spinal surgery 25 or lumbar puncture 26 . Thus, correlation with a clinical history of procedures and other diagnoses is important.…”

Section: Paraspinal Muscle Examination Is Very Important For High Idementioning

confidence: 99%

Evaluation of persons with suspected lumbosacral and cervical radiculopathy: Electrodiagnostic assessment and implications for treatment and outcomes (Part II)

2020

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The electrodiagnostic (EDX) examination with needle electromyography (EMG) is the most important means of testing for radiculopathy. This test has modest sensitivity but high specificity and complements imaging of the spine. In this second of a two-part review, the implications of electrodiagnostic findings for diagnosis and clinical management of persons with radiculopathy are reviewed. An EMG confirmed lumbosacral radiculopathy is associated with better clinical outcomes for persons undergoing aggressive conservative management. A positive EMG test portends a better clinical response to epidural corticosteroid injections. If a person undergoes spine surgery, a positive preoperative EMG for radiculopathy is also associated with better outcomes.

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Section: Paraspinal Muscle Examination Is Very Important For High Idementioning

confidence: 99%

Evaluation of persons with suspected lumbosacral and cervical radiculopathy: Electrodiagnostic assessment and implications for treatment and outcomes (Part II)

2020

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et al. 1996

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Osteogenic sarcoma with skeletal muscle metastases

et al. 1999

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Two cases of osteogenic sarcoma with skeletal muscle metastases are described. A 40-year-old woman presented with progressive swelling of both calves and a soft tissue back lump. She had been diagnosed with mandibular chondroblastic osteogenic sarcoma 6 years earlier. Radiographs showed calcified masses. MRI scans and bone scintigraphy revealed multiple soft tissue masses in both calves. Bone scintigraphy also showed uptake in the back lump, right thigh and left lung base. Biopsy confirmed metastatic chondroblastic osteogenic sarcoma, which initially responded well to chemotherapy. However, the metastatic disease subsequently progressed rapidly and she died 21 months after presentation. The second case concerns a 20-year-old man who presented with a pathologic fracture of the humerus, which was found to be due to osteoblastic osteogenic sarcoma. He developed cerebral metastases 17 months later, followed by metastases at other sites. Calcified masses were subsequently seen on radiographs of the abdomen and chest. CT scans confirmed the presence of densely calcified muscle metastases in the abdominal wall, erector spinae and gluteal muscles. The patient's disease progressed rapidly and he died 30 months after presentation.

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Electromyographic Detection of Paraspinal Muscle Metastasis

Cited by 18 publications

References 0 publications

Evaluation of persons with suspected lumbosacral and cervical radiculopathy: Electrodiagnostic assessment and implications for treatment and outcomes (Part II)

Evaluation of persons with suspected lumbosacral and cervical radiculopathy: Electrodiagnostic assessment and implications for treatment and outcomes (Part II)

Letters to the editor

Osteogenic sarcoma with skeletal muscle metastases

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