The Knee

Ottawa rules | Suprapatellar bursa | Patella | Tibial plateau | Segond fracture
Intercondylar eminence | Proximal fibula | Osteochondritis dissecans
Osgood-Schlatter's disease | Pellegrini Stieda | Synovial osteochondromatosis
Diaphyseal aclasia | Non-ossifying fibroma

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Learning outcomes
  • Understand Ottowa rules for knee imaging
  • Assess skeletal radiographs using a systematic approach
  • Describe knee anatomy
  • Recognise and understand the significance a suprapatellar effusion and lipohaemarthrosis
  • Understand mechanisms of injury and the likely fractures/dislocations which may result
  • Search for subtle injuries and understand their clinical significance
  • Accurately describe dislocations and associated fractures
  • Understand common eponyms
  • Recognise potential ligament injuries
  • Understand paediatric anatomy
  • Recognise common pathological conditions seen around the knee
Ottawa rules
Suprapatellar Bursa
Normal bursa   Normal bursa
Effusion, no fracture   Effusion, no fracture
Lipohaemarthrosis, no fracture seen on this image   Lipohaemarthrosis, no fracture seen on this image
Undisplaced fracture patella   Undisplaced fracture patella, plus lipohaemarthosis

Displaced fracture patella   Displaced fracture patella
Tibial Plateau
Lateral tibial plateau fracture   Lateral tibial plateau fracture plus liphaemarthrosis
Normal knee   Fracture lateral tibial plateau
Lateral tibial plateau fracture   Lateral tibial plateau fracture
Segond fracture
Segond fracture   Segond fracture and fracture head of fibula   Segond fracture
Intercondylar Eminence (Tibial Spine)
ACL avulsion fracture
PCL avulsion fracture
Proximal Fibula
Fracture fibular head   Fracture fibular head plus liphaemarthrosis
Maisonneuve fracture   Maisonneuve fracture
Osteochondritis Dissecans
Osteochondritis dissecans   Osteochondritis dissecans
Osteochondritis dissecans - talus   Osteochondritis dissecans - capitellum
Osgood-Schlatter's Disease
Pellegrini-Stieda   Pellegrini-Stieda
Synovial Osteochondromatosis
Synovial osteochondromatosis   Synovial osteochondromatosis
Synovial osteochondromatosis - elbow   Synovial osteochondromatosis - elbow
Synovial osteochondromatosis - ankle
Diaphyseal Aclasia
Diaphyseal aclasia   Diaphyseal aclasia
Non-Ossifying Fibroma
Non-ossifying fibroma   Non-ossifying fibroma

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