A 55-year-old female with left groin pain for 1.5 years after long distance walking. A, Conventional radiograph shows coxa profunda and acetabular osteophytes (long arrow) with a sharp edge, and pincer-like deformity; B and C, Digital tomosynthesis at special functional position (DT-SFP) images show sharp osteophytes in the rim of the acetabulum (short arrow) and coxa profunda. Herniation pit is not shown on the conventional radiograph  it is clear on DT-SFP located in the junction of the femoral head and neck (arrow head).