The painful hip

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QUESTION 1 OF 1

80.A 69-year-old male present to ED complaining of sudden onset of severe leg and and hip pain. His radiographs are shown below (Figure 1).

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Figure 1.Anteroposterior(AP) radiograph pelvis 

The following statement is true:

QUESTION ID: 1178

1. Calcar pivot is a rarely seen mode of failure
2. D. The least common mode of failure is bending cantilever failure
3. Mode 3 failure can be recognised early by radiolucencies developing along the proximal lateral cortex (convex) surface of the stem.
4. Mode 3 failure involves medial migration of the proximal stem coupled with lateral migration of the distal stem tip.
5. This radiograph demonstrates Gruen mode 2 failure
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