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Radiology, Vol 128, 643-645, Copyright © 1978 by Radiological Society of North America

ARTICLES

Lipohemarthrosis of the elbow joint

DK Yousefzadeh and JH Jackson

Radiographic demonstration of three cases of lipohemarthrosis of the elbow is discussed. Lipohemarthrosis is superior to posterior fat pad as a more specific sign of elbow trauma because posterior fat pad merely indicates increased intra-articular pressure while lipohemarthrosis is due only to intracapsular fracture or cartilage and/or ligament injury. Little fat accumulated in the anterior compartment of the joint can be demonstrated by horizontal-beam technique and lipohemarthrosis may conceivably be observed before posterior fat pad is displaced dorsally. With horizontal-beam technique, the patient is more comfortable and it seems unnecessary to irradiate the other elbow.




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