PMC4799478_01
AP radiograph of the pelvis showing valgus femoral neck, ischial cysts (arrows) and a close relationship between the lesser trochanter and ischium.
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Additional tests included radiographic examinations of the pelvis and right hip demonstrating a valgus femoral neck, bilateral ischiofemoral space narrowing, and the presence of cysts in the right ischium (Figure 1).
Female patient, 31 years - Axial T2 MRI demonstrating ischiofemoral space narrowing and hypersignal on the quadratus femoris muscle.
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Faced with clinical and radiographic findings and diagnostic uncertainty, we requested a pelvic MRI, which showed increased signal in the quadratus femoris muscle on T2-weighted sequences (Figure 2).