Background: The acetabular osteoid osteoma (AOO) is rare and poses challenges in the diagnosis and surgical approach. AOO presenting with femoroacetabular impingement (FAI) is further infrequent. Case report: We report an 18-year old college-level athlete who presented with left hip pain and limp for two years. https://parisnaturalfoodes.shop/product-category/synergy-b/