Some general considerations about the clinicopathologic; pseudosarcomatus proliferative lesions; vascular tumours; neurogenic tumours of soft tissue; fibroblastic-myofibroblastic tumours; fibrohistiocytic tumours; myogenous tumours; adipose and myxoid tumours; extraskeletal cartilaginous, osseous, and chordoid tumours; synovial tumours; nosologically controversial soft tissue tumours; molecular genetic and cytogenetic aspects; medical and surgical management of pediatric soft tissue tumours; diagnostic imaging of pediatric soft tissue tumours.