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QUESTION 1 OF 1

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).

q17.jpg

Figure 1.Anteroposterior(AP) radiograph pelvis 

The following statement is true:

QUESTION ID: 1178

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