Chondrosarcomas constitute the 3rd most common primary bone malignancy. These tumours grow slowly and rarely metastasize, usually having a good prognosis after surgery. Among patients registered and treated at the Brazilian National Institute of Traumatology and Orthopedics, an uncommon case of chondrosarcoma was identified in a 63-year-old man, who was diagnosed with multicentric chondrosarcoma of the appendicular skeleton. This example is atypical in the medical literature because multicentric tumours are different from metastatic events, and their frequency in chondrosarcoma is rare. This article therefore provides a rare case report alongside a review of additional cases in the medical literature.

Bone or soft tissue sarcomas are rarely diagnosed during pregnancy. Until today 137 well documented cases have been reported in the English literature between 1963 and 2014. Thirty-eight pregnant mothers were diagnosed with osteosarcoma, Ewing\'s sarcoma or chondrosarcoma, whereas 95 other cases of soft tissue sarcomas of various types have been documented. We present the clinical picture and therapeutic management of this coexistence.