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Imaging Periprosthetic Hip Fractures
With increases in the number of hip replacement operations in many countries, the number of periprosthetic femur fractures can be expected to increase. Minimally displaced periprosthetic fractures can be difficult to detect. Radiographers should be aware of the possibility of periprosthetic fractures and the radiographic techniques required to demonstrate them.Radiography
Leopold Pleva, Milan Šír, Roman Madeja
OUR EXPERIENCES WITH THE TREATMENT OF PERIPROSTHETIC FRACTURES OF FEMUR
Biomed. Papers 148(1), 75–79 (2004)
Elderly patients who have fallen onto their hips are commonly referred for hip radiography with a provisional diagnosis of neck of femur fracture. It is the author's experience that these patients are frequently not examined carefully by the referring doctor and can have a hip prosthesis on the side of interest. The radiographer should examine the patient priot to hip radiography in elderly patients. This will take very little time and may change the radiographer's approach to the imaging.
This patient has evidence of previous hip surgery (surgical scar- black arrow) and surgical treatment of a periprosthetic fracture (surgical scar- white arrow).
When the history of hip surgery is established, it is important to radiographically asses the entire femur.
This 84 year old male presented to the Emergency Department following a fall at the nursing home. His previous history of THR and TKR was noted by the referring doctor. The patient was referred for left hip radiography.
Bilateral total hip replacement noted. There is no evidence of displaced hip fracture.
The radiographer has performed an AP hip radiography collimated to include more of the femur to assess whether the patient has a periprosthetic fracture of the femur. No displaced fracture is demonstrated. The horizontal ray lateral projection of the hip was performed with a stationary grid. There is evidence of a periprosthetic fracture (arrowed).
This case supports the contention that "... one view is no view".
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