5 cases, especially malignant, among bone tumors treated during the last 3 years.
CASE 1. -A woman aged 73, tumor of the illiac bone, histological diagnosis, liposarcoma.
CASE 2. -A man aged 61, tumor of the right elbow joint, histological diagnosis, synovialsarcoma.
CASE 3. -A man aged 16, tumor of the left femur, histological diagnosis, osteosarcoma.
CASE 4. -A man aged 41, metastatic tumor of the both tibia, histological diagnosis, malignant melanoma.
CASE 5. -A man aged 60, tumor of the 5, 6 and 7th thoracic vertebra, and 6 and 7th rib, histological diagnosis, chondrosarcoma. For any treatment had done to the these cases, prognosis was very poor.
