Avulsion fractures of the knee
Avulsion fractures of the knee are numerous due to the many ligaments and tendons inserting around this joint. They include 1:
- anterior cruciate ligament avulsion fracture
- posterior cruciate ligament avulsion fracture
-
avulsion of the medial collateral ligament
- origin of MCL avulsion fracture: Stieda fracture
- insertion of deep fibers: reverse Segond fracture
- avulsion fracture of the deep fibers
- avulsion fracture of the insertion of superficial fibers of MCL: 5 cm below the joint line
-
avulsion of the lateral collateral ligament:
- origin of LCL: above popliteal groove
- conjoined tendon: fibular head below the tip, biceps femoris and insertion of LCL avulsion fracture
- arcuate ligament complex avulsion fracture (arcuate sign)
- Segond fracture
- iliotibial band avulsion fracture: Gerdy tubercle
- semimembranosus tendon avulsion fracture
- patellar fractures
- chronic injuries
See also
Related Radiopaedia articles
Knee pathology
The knee is a complex synovial joint that can be affected by a range of pathologies:
- bone and cartilage
-
knee fractures
- distal femoral condyle fracture
- tibial plateau fracture (classification)
- patella fracture
-
avulsion fractures of the knee
- Segond fracture
- reverse Segond fracture
- anterior cruciate ligament avulsion fracture
- posterior cruciate ligament avulsion fracture
- arcuate complex avulsion fracture (arcuate sign)
- biceps femoris avulsion fracture
- iliotibial band avulsion fracture
- semimembranosus tendon avulsion fracture
- Stieda fracture (MCL avulsion fracture)
- patella fracture
- chronic avulsion injuries
- dislocation
- chondromalacia patellae
- osteoarthritis of the knee
- osteochondral defects
- osteochondritis dissecans of the knee
- pattern of bone contusion in knee injuries
-
knee fractures
- ligaments
- anterior cruciate ligament tear
- anterior cruciate ligament ganglion cyst
- anterior cruciate ligament mucoid degeneration
- posterior cruciate ligament tear
- medial collateral ligament tear
- lateral collateral ligament tear
- medial patellofemoral ligament tear
- posterolateral corner injury
- posteromedial corner injury
- tendons
- meniscal lesions
-
meniscal tear
- longitudinal tear
- radial tear
- root tear
- displaced tear
- signs
- meniscal/parameniscal cyst
- meniscal flounce
- meniscal fraying
- meniscocapsular separation
-
meniscal tear
- bursasynovial lesions
- fat pad
- popliteal fossa
- fascia
- alignment
- gamut
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