Research Article
Efficacy and Cost-Benefit Analysis of Magnetic Resonance Imaging in the Follow-Up of Soft Tissue Sarcomas of the Extremities and Trunk
Table 2
Location, grading, and tumor classification of primary tumors and recurrences.
| | N (%) | Primary tumors | Total local recurrences | Percentage of patients with at least one local recurrence (%) |
| | Head/neck | 20 (9) | 1 (1) | | | Trunk | 31 (14) | 14 (19) | | | Proximal extremity | 103 (48) | 31 (43) | 21 | | Distal extremity | 62 (29) | 27 (37) | 23 |
| | Grading | G1 | 45 (21) | 12 (16) | 16 | | G2 | 60 (28) | 19 (26) | 23 | | G3 | 86 (40) | 33 (45) | 23 | | Unknown | 25 (12) | 9 (12) | |
| | Liposarcoma | 64 (30) | 15 (21) | 16 | | Fibroblastic/myofibroblastic sarcomas | 45 (21) | 19 (26) | 29 | | Undifferentiated/sarcomas | 56 (26) | 23 (32) | 23 | | Other sarcoma types | 51 (24) | 16 (22) | 24 | | Smooth muscle sarcoma | 13 (6) | | | | Skeletal muscle sarcoma | 2 (1) | | | | Vascular sarcoma | 11 (5) | | | | Nerve tumors | 1 | | | | Extraskeletal osteosarcoma | 5 (2) | | | | Sarcoma of uncertain differentiation | 19 (9) | | |
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