PURPOSE. To evaluate the diagnostic value of magnetic resonance imaging (MRI) in thoracic outlet syndrome (TOS). METHODS. Medical records of 30 women and 10 men aged 18 to 68 (mean, 38) years who presented with unilateral (n=35) and bilateral (n=5) TOS and underwent 42 surgical decompressions of the right (n=23) and left (n=19) sides were reviewed. MRI findings were compared with intra-operative findings to evaluate the diagnostic value of MRI. RESULTS. MRI findings correlated poorly with intra-operative findings. Of the 42 cases, MRI and intra-operative findings were matched in 17 and not matched in 25. MRI appeared normal but intra-operative findings were in fact positive for TOS in 23 of 24 cases. The sensitivity and specificity of MRI in diagnosing TOS were 41% and 33%, respectively, whereas its positive and negative predictive values were 89% and 4%, respectively. CONCLUSION. Sensitivity and specificity of MRI in diagnosing TOS are low. Diagnosis should be based on a holistic approach including history, clinical examination, and radiological findings.
With the expansion of patient data collection and storage, it is important for doctors to maintain an awareness of how to handle such data. DPT is not currently common practice. Our study suggests positive benefits from DPT, and we suggest it could improve the safety with which patient data is handled.
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