Chondrosarcoma

A chondrosarcoma is a malignant ( malignant ) bone tumor, the cells of cartilage, but in contrast to osteosarcoma no bone ( osteoid ) form. Other than that, the chondroma chondrosarcoma to a larger cell wealth. It occurs in adulthood preference in men.

Dissemination

Chondrosarcoma is the second most common malignant bone tumor. The appearance of the tumor increases with age and reaches to the sixth decade of life, its summit. Preferably, the tumor occurs in the hip bone and the femur close to the fuselage.

Clinical manifestations

Chondrosarcoma causes pain, but these can be particularly remarkable. Metastases occur late in the course. The risk of metastasis correlated with the degree of de-differentiation. G1 tumors have only rarely metastases.

Therapy

Treatment consists of surgical removal of the tumor, amputation is necessary, but only in the rarest cases. In particular, modern methods of tumor arthroplasty have made ​​this unnecessary in most recent decades. at incisional biopsy channel must be removed, otherwise threaten implantation metastases. The tumor is usually only slightly sensitive to radiation.

In the treatment of chondrosarcoma has to be noted that it is not very sensitive to chemotherapy and radiation treatment at a relatively high dose is required, so that the definitive surgical treatment must be carried out by the biopsy. Radiotherapy with protons or carbon ions is supportive possible.

Cure views

With optimal therapy, the five-year survival rate is around 50%.