Sarcomas are a group of rare malignant tumours that constitute less than 1% of all cancers, arising from the mesenchymal system. About 80% originate in soft tissue (muscle, nerves, joints, blood vessels, deep skin tissues, and fat), while the remainder originate in bone and cartilage. In this book, the authors present topical research on the symptoms, causes and treatments of sarcoma. Some of the topics discussed include clinical-histopathologic diagnosis of the kaposi's sarcoma; ovarian sarcoma in mice; advances in chondrosarcoma treatment; the potential of suicide plus immune gene therapy for treating osteosarcoma; new concepts of limb salvage surgery in musculoskeletal sarcomas with acridine orange therapy; the role of surgery in children with head and neck rhabdomyosarcoma and gastrointestinal kaposi's sarcoma.