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Radiographic Findings Associated With Each FAI Typea
| FAI Type | Radiographic Findings |
|---|---|
| Cam type | Typical pistol grip deformity and/or Alpha angle >55° 3,7 |
| Pincer type | Crossover sign7,9,19,26
and/or Coxa profunda or protrusio acetabuli3,9,19,26,29 and/or Lateral center-edge angle >40° 19,26,29 and/or Tönnis angle <0° 9 |
| Mixed type | Both cam and pincer type features |
FAI, femoroacetabular impingement.
