Coccydynia is localized pain in the coccyx, exacerbated when sitting and getting up. The diagnosis is essentially clinical, the interrogation must always seek the notion of trauma in the history. Digital rectal examination is painful when mobilizing the coccyx. Standard X-rays, dynamic X-rays, and Magnetic Resonance Imaging (MRI) are quite important for both positive diagnosis and differential diagnosis. Therapeutic management is multidisciplinary, starting with hygiene measures, medical treatment and manipulation and massage techniques. Coccygectomy is proposed after failure of conservative treatments. Its results are generally good. Its main complication is infection.

Coccydynia is localized pain in the coccyx, exacerbated when sitting and getting up. The diagnosis is essentially clinical, the interrogation must always seek the notion of trauma in the history. Digital rectal examination is painful when mobilizing the coccyx. Standard X-rays, dynamic X-rays, and Magnetic Resonance Imaging (MRI) are quite important for both positive diagnosis and differential diagnosis. Therapeutic management is multidisciplinary, starting with hygiene measures, medical treatment and manipulation and massage techniques. Coccygectomy is proposed after failure of conservative treatments. Its results are generally good. Its main complication is infection.

Hip arthroplasty is a reliable means in the treatment of hip conditions. By restoring its mobility, stability and indolence. However, this prosthetic surgery exposes to the risk of the occurrence of complications that can affect the functional prognosis. The most common complications are dislocations, fractures, loosening, and infections. These complications may require surgical revision of the total hip prosthesis (THA). We present three cases of patients who required revision THA, and we present the therapeutic recommendations for each of the complications in the literature, to ensure adequate management, and the recovery of a painless, mobile and functional hip.