| Abstract
| - In the field of orthopedics, the echographic examination of soft tissue tumors by B-mode contact compound scanning is a useful clinical modality. Characteristics of the tumor, such as whether it is cystic or solid, its border regular or irregular, and delineation of tumor size in three dimensions can be determined. The relationship between the tumor mass and the skin, muscle layer, connective tissue and periosteum can be defined preoperatively. Furthermore, it can be used for an echographic evaluation of tumor regression during antineoplastic treatment with chemotherapy or radiation therapy. Typical echograms of liposarcoma, chordoma, neurinoma, desmoid tumor, rhabdomyosarcoma and gluteal tumor, metastatic lesions from melanoma, lung and skin were demonstrated. The usefulness of this technique in the field of orthopedic surgery is discussed with a review of literature.
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