Orthopedics Book

Joint dislocation

Meniscus

Sesamoid

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Patellar Tendon Rupture

Aka: Patellar Tendon Rupture
  1. See Also
    1. Patellar Tendinopathy
  2. Risk Factors
    1. Patellar Tendinopathy may predispose to Patellar Tendon Rupture
  3. Mechanism
    1. Forceful knee flexion against resistance
  4. Signs:
    1. Large Knee Effusion
    2. Defect between tibial tubercle and inferior Patella
    3. Difficult active knee extension
  5. Differential Diagnosis
    1. Patellar Dislocation
    2. Quadriceps tendon rupture (elderly)
    3. Tibial tuberosity avulsion (adolescents)
  6. Imaging:
    1. Insall-Salvati Ratio for Patella evaluation
      1. Distance ratio between
        1. Proximal tibial tubercle
        2. Inferior pole of the Patella
      2. Normal ratio: +1 or -0.2
    2. Interpretation: Severe Patella alta (high riding)
      1. Suggests Patellar ligament rupture
  7. Management
    1. Surgical Correction within 10 days of injury
    2. Cast immobilization for 6 weeks following surgery
    3. Physical therapy
  8. Complications: Associated with delayed surgery
    1. Quadriceps contracture shortens extensor mechanism

Traumatic rupture of patellar tendon (C0263969)

Concepts Injury or Poisoning (T037)
SnomedCT 30832001, 415748002
English rupture of patellar tendon (diagnosis), rupture of patellar tendon, patellar rupture tendon, of patellar tendon rupture, patellar ruptures tendon, patellar tendon rupture, Rupture of patellar tendon, Patellar tendon rupture, Rupture of patellar tendon (disorder), Traumatic rupture of patellar tendon (disorder), Traumatic rupture of patellar tendon
Spanish ruptura traumática de tendón rotuliano, ruptura traumática del tendón rutuliano, ruptura traumática de tendón rotuliano (trastorno), ruptura traumática del tendón patelar, ruptura traumática del tendón rutuliano (trastorno), ruptura del tendón de la rótula, ruptura del tendón rotuliano (trastorno), ruptura del tendón rotuliano
Sources
Derived from the NIH UMLS (Unified Medical Language System)


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