Error patterns in the MR imaging evaluation of menisci of the knee
| Autor: | S F Quinn, W W Justice |
|---|---|
| Rok vydání: | 1995 |
| Předmět: |
Adult
Cartilage Articular Male medicine.medical_specialty Meniscal tears Knee Injuries Sensitivity and Specificity Arthroscopy Oregon medicine Humans False Positive Reactions Radiology Nuclear Medicine and imaging Prospective Studies Diagnostic Errors False Negative Reactions Aged Retrospective Studies Lateral meniscus medicine.diagnostic_test business.industry Magnetic resonance imaging Middle Aged Magnetic Resonance Imaging Mr imaging Endoscopy medicine.anatomical_structure Female Radiology Mr images Artifacts business Medial meniscus |
| Zdroj: | Radiology. 196:617-621 |
| ISSN: | 1527-1315 0033-8419 |
| Popis: | To categorize errors in interpretation of magnetic resonance (MR) images of the knee and explain the discrepancy between MR imaging and diagnostic arthroscopic findings.Five hundred sixty-one patients underwent arthroscopy and MR imaging of the knee. Prospective and retrospective readings were used to categorize tear type and location. Sixty-six patients had 68 discrepancies between MR imaging and arthroscopic findings.Prospective interpretation of MR images of the lateral meniscus had a sensitivity of 82%, specificity of 98%, and accuracy of 93%. For images of the medial meniscus, sensitivity was 96%; specificity, 91%; and accuracy, 95%. The number of diagnostic errors at retrospective analysis was 76% (n = 52) of the number at prospective analysis.MR imaging is accurate in evaluation for meniscal tears. Most errors in interpretation that occur at prospective evaluation also occur at retrospective evaluation. Some false-positive errors may be related to incomplete arthroscopic evaluation of the meniscus and confusion between what represents fraying and what represents a tear. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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