Giant cell tumor of soft tissues: A case report of extra-articular diffuse-type giant cell tumor of the quadriceps.

Introduction: Giant cell tumors of soft tissue (GCTs) are a relatively rare entity. It is a distinct but uncommon group of neoplasms morphologically identical to osseous giant cell tumor. The diffuse type of extra-articular GCT arising within muscle is a rare benign soft tissue tumor with a wide spectrum of clinical presentation.

[Predictive factors of aseptic loosening of cemented total hip prostheses].

Introduction: Aseptic loosening is the main long-term complication and indicates total hip replacement failure. There are many and often intricate causes for aseptic loosening. Incorrect placement of the implants is the most incriminated factor.