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MR Imaging of the Knee: Findings in Asymptomatic Collegiate Basketball Players

Nancy M. Major1 and Clyde A. Helms

1 Both authors: Department of Radiology, Duke University Medical Center, Box 3808, Durham, NC 27710.



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  		Fig. 1. —20-year-old male college basketball player with patellar tendon abnormality. Sagittal fast spin-echo T2-weighted MR image (TR/TEeff, 3500/65) obtained with fat suppression shows thickening of patellar tendon with focus of high signal within substance of tendon (arrow). Findings resemble jumper's knee, although patient was asymptomatic.

 


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  		Fig. 2. —19-year-old male college basketball player with discoid meniscus. Coronal fat-suppressed fast spin-echo MR image (TR/TEeff, 3500/65) reveals discoid meniscus. Arrows show meniscus extending more toward notch than expected for normal-sized meniscus. Finding was bilateral in this patient.

 


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  		Fig. 3. —20-year-old male college basketball player with cartilage defect. Axial fast spin-echo T2-weighted MR image (TR/TEeff, 3500/65) obtained with fat suppression shows focal area of cartilage abnormality at apex of cartilage in patella (large arrow). Smaller defect (small arrow) can be seen along medial facet.

 


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  		Fig. 4. —21-year-old male college basketball player with cartilage defect in knee. Sagittal fast spin-echo fat-suppressed MR image (TR/TEeff, 3500/65) shows focal cartilage abnormality (arrows) corresponding to known arthroscopically débrided area.

 


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  		Fig. 5. —19-year-old male college basketball player with bone marrow edema. Axial fast spin-echo T2-weighted MR image (TR/TEeff, 3500/65) shows area of high signal in medial portion of patella (arrows).

 


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  		Fig. 6. —22-year-old male college basketball player with infrapatellar plica signal. Sagittal fast spin-echo fat-suppressed MR image (TR/TEeff, 3500/65) shows abnormal signal along infrapatellar plica (arrows).

 

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