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Table 2.

Clinical history, physical examination, and imaging studies (X-rays, MRI) in patients with osteoarthritis of the hip secondary to FAI or dysplasia. Preoperative evaluation of these parameters can help to quantify the degree of chondral injury or osteoarthritis in this group of patients. These clinical parameters of easy access facilitate the identification of patients in early stages, which can benefit by hip arthroscopy.

PFA/displasia Hip osteoarthritis
Medical history Inguinal pain related to movement: flexion and rotation. Frequent related to sports activities Diffuse pain (groin, lateral, buttock, thighs), permanent, by walking and weight bearing. Night and rest pain
Physical examination Normal gait. Restriction only in flexion and 90° rotation (FADIR, FABER) Claudication, multidirectional restriction of range of movement
Radiology Signs of FAI or Dysplasia, without joint space narrowing Joint space narrowing (<2 mm). Osteophytes
Magnetic resonance (MR) Labral tear, damage in chondrolabral junction Chondral damage in load bearing area and femoral head. Bone edema, subchondral cysts.
Treatment option Consider hip arthroscopy Hip arthroscopy not recommended

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