Femoral neck fracture - subacute

Case contributed by Henry Knipe
Diagnosis certain

Presentation

Fall one month ago. Ongoing pain left hip.

Patient Data

Age: 80 years
Gender: Female
x-ray
Frontal
Dunne
Lateral
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Info

Sclerotic line with lateral cortex disruption of the neck of femur in the subcapital region. 

This study is a stack
Axial bone
window
This study is a stack
Coronal
bone window
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Info

CT confirms a left subacute subcapital neck of femur fracture that is mildly impacted. 

Fluoroscopy
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Info

Image intensifier demonstrates the final position of dynamic hip screw and detorsion screw.

Case Discussion

The patient presented to the emergency department at the time of injury but the fracture was not demonstrated on the x-ray or the subsequent CT (even in retrospect a definite fracture line was not seen). An MRI was not performed. Repeat x-rays four weeks after the initial injury show the fracture clearly - the patient proceeded to ORIF. 

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