[Knee imaging: what is the best modality].
A wide range of exams are available for imaging the knee: standard radiography, ultrasound, bone scintigraphy, CT scan, arthroscan, MRI, arthro-MRI. The radiologist must be aware of the performance capacities of each technique in order to orient the clinician's choice towards the most appropriate exam in a given clinical situation. In the first part of this paper, we examine the performances, advantages and disadvantages of each technique: exam conditions (patient position, incidence, slice thickness, sequence.) are detailed as required. The second part is a practical guide for some typical clinical situations with decision trees for ordering necessary and sufficient explorations.
Tavernier
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Clinique de la Sauvegarde, avenue Ben Gourion, C.P. 309, 69261 Lyon Cedex 09. tavernierthierry@aol.com
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D000465:Algorithms; D001175:Arthrography; D003663:Decision Trees; D003952:Diagnostic Imaging / Q000379:methods* / Q000592:standards; D006801:Humans; D007592:Joint Diseases / Q000175:diagnosis*; D007718:Knee Injuries / Q000175:diagnosis*; D007719:Knee Joint; D008279:Magnetic Resonance Imaging; D018579:Patient Selection; D011877:Radionuclide Imaging; D015203:Reproducibility of Results; D014057:Tomography, X-Ray Computed