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Knee Imaging Atlas

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ACL Ganglion Cyst Axial.jpg

ACL Graft Failure knee_mri04.jpg

ACL Tear ACL_tear_2.jpg

Bakers Cyst BakerCyst1.jpg

Bursitis Prepatellar prepatellar.jpg

Cartilage Fissure T2.jpg

Deep Sulcus Sign Sulcus.jpg

Discoid Lateral Meniscus Discoid_lateral.jpg

Ganglion Cyst ganglion.jpg

Knee Bursa bursa.jpg

Lipohemarthrosis sag1.jpg

MCL Tear MCL_tear_Cor2.jpg

MCL Tear Partial MCL.jpg

Meniscal Root Tear root.jpg

PCL Tear PCL.jpg

PCL Tear Normal ACL PCL.jpg

Popliteofibular Ligament popliteofibular.jpg

Popliteus Tendon Tear Popliteus13.jpg

Segond Fx ACL Tear ACL.jpg

Sinding Larsen Johansson sinding.jpg

  1. Knee
    1. Suprapatellar tendon rupture
      1. Maybe related to trauma, RA, renal failure, SLE, gout, corticosteroid use
    2. Patella baja
      1. Achondroplasis
      2. Paresis of quadriceps muscles (polio)
      3. JRA
    3. O'Donohue unhappy triad
      1. Combination of ACL, MCL, and medial meniscal tear results from valgus stress with rotation
    4. Widened intercondylar notch
      1. Hemophillia
  2. Femur
    1. Erlenmyer flask deformity (GOT LMN)
      1. Gaucher disease
      2. Osteopetrosis
      3. Thalassemia
      4. Lead
      5. Metaphyseal dysplasia (Pyle disease)
      6. Niemann-Pick disease
  3. Physiologic vs OCD (Laor T, MSK MRI in Children, SSR 2016
    • PhysiologicOCD
      Age < 13
      No bone marrow edema
      Puzzle configuration
      Posterior and not intercondylar
      Intact secondary physis
      Age > 8
      Bone marrow edema
      No puzzle configuration
      Posterior/middle third junction
      Disrupted secondary physis

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