(Fig 4-B.12) Quadriceps Tendinosis

https://youtu.be/Md6aoe53Xkg

https://youtu.be/w63GyfUeIyw

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📌 Normal Quadriceps Tendon Appearance

• Distinctive laminated or trilaminar appearance on sagittal MR images
• Layered configuration with low-signal intensity tendinous bands separated by linear interdigitating fat
• Normal trilaminar appearance should not be mistaken for tendinosis

 

📌 Quadriceps Tendinosis Findings

• Tendon thickening and linear hyperintensity
• Edema within the fat between the layers of the quadriceps tendon
• Edema of the quadriceps fat pad associated with distal quadriceps tendinosis

 

✅Epidemiology and Associated Factors

• Less common than patellar tendinosis
• Associated with chronic underlying systemic diseases and/or drug use
• Repetitive microtrauma, such as in jumping sports

• Calcific tendinosis of the quadriceps tendon (less common)

 

References:

• Magn Reson Imaging Clin N Am 22 (2014) 601–620
• RadioGraphics 2018; 38:2069–2101

 

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 #QuadricepsTendinosis, #TendonThickening, #LinearHyperintensity, #EdemaFatLayers, #QuadricepsFatPadEdema, #JumpingSports, #RepetitiveTrauma, #SystemicDiseases, #DrugUse, #CalcificTendinosis