Emergency Cases Northwest Group
018 Bending the Knee
Situation
Patient had a knee injury. X-ray showed lipohaemarthrosis which
confirmed a fracture.
Background
A 72 year old lady fell directly onto her flexed knee. Tender medially,
now NWB. X-ray knee seemed to show a fracture of medial femoral condyle.
X-ray also showed lipohaemarthrosis; confirming the fracture.
Assessment
During the fracture fat and blood leaked into the joint from bone marrow
causing a fat-blood interface. Images from wikiradiography
Recommendation
Look out for this soft tissue sign: if you see it there is a fracture
present, even if you cant see the fracture itself.
PLEASE DO NOT INCLUDE ANY PATIENT IDENTIFIABLE DATA OR
GEO-LOCATION DATA IN THE SUBMISSION OR IN ANY ATTACHED
IMAGES
Emergency Cases Northwest Group