Pancreatic adenocarcinoma presenting as a monomelic motor neuronopathy

Carter, Gregory T.; Fritz, Russell C.

doi:10.1002/(sici)1097-4598(199701)20:1<103::aid-mus15>3.0.co;2-5

Cited by 6 publications

(3 citation statements)

References 5 publications

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“…These results are consistent with previously published studies and case reports, although our study is the largest reported to date. 3,4,6,[14][15][16] As noted in earlier studies, our data confirm that STIR MRI is less sensitive in detecting muscle denervation than needle EMG. In 10 (11%) cases, STIR MRI was normal although spontaneous activity was noted on EMG; in 6 (7%) other cases, spontaneous EMG activity was present in more muscles than were noted to have increased signal on STIR MRI.…”

Section: Discussionsupporting

confidence: 87%

“…7,9,10,14,[19][20][21] Prior studies and case reports demonstrate a close correspondence between increased signal intensity on STIR MRI and evidence of denervation by needle electromyography (EMG) in peripheral nerve injuries and subacute lumbar radiculopathy. 1,3,4,6,12,15,21 The purpose of this study is to further assess the usefulness of STIR MRI in detecting muscle denervation compared to needle EMG.…”

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confidence: 99%

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Magnetic resonance imaging of denervated muscle: Comparison to electromyography

et al. 2000

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The purpose of the study is to further assess the usefulness of short TI (time to inversion) recovery (STIR) magnetic resonance imaging (MRI) in detecting denervation of skeletal muscle compared to needle electromyography (EMG). Ninety subjects with clinical evidence of peripheral nerve injury or radiculopathy underwent STIR MRI and EMG of the affected limb. In 74 (82%) of these subjects, a positive correlation was found between STIR MRI and EMG (P < 0.009). STIR MRI has a relative sensitivity of 84% and specificity of 100% for detecting denervation. A subset of 28 subjects underwent quantitative assessments of signal intensity ratio (SIR) from the STIR MRI. The rank order correlation coefficient between the SIR and abnormal spontaneous activity on EMG was 0.70 (P < 0.001). Increased signal intensity on STIR MRI corresponds closely with spontaneous activity on EMG in denervated muscle. Although less sensitive than EMG in detecting muscle denervation, STIR MRI may be a useful adjunctive diagnostic tool in this setting. © 2000 John Wiley & Sons, Inc. Muscle Nerve 23: 1431‐1434, 2000

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Section: Discussionsupporting

confidence: 87%

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confidence: 99%

Magnetic resonance imaging of denervated muscle: Comparison to electromyography

et al. 2000

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“…1 We are aware of some debate in the literature regarding clinical description and classification of paraneoplastic neuromuscular syndromes between, among others, Drs. Grisold and Dr. Stuebgen.…”

Section: Should Every Unclear Neuromuscular Symptom Be Termed ''Paranmentioning

confidence: 99%