ALT phenotype has also been reported to be highly prevalent in a wide variety of soft tissue and bone tumours: dedifferentiated liposarcoma (33%), pleomorphic liposarcoma (80%), myxofibrosarcoma (76%), leiomyosarcoma (57%), osteosarcoma (63%), malignant peripheral nerve sheath tumours (63%), among others. This evidence concerns the gene GPT and bone neoplasm.