Table 1.
Description of all semantic features extracted radiologist for the description of soft-tissue sarcomas.
| Feature | Description |
|---|---|
| Anatomical region | 1: chest/back, 2: neck, 3: leg, 4: gluteal/pelvis 5: arm, 6: hand, 7: foot |
| Localization | 1: epifascial, 2: subfascial, 3: epi- and subfascial, 4: intramuscular, 5: intermuscular; 6 intra- and intermuscular |
| Image pattern | 1: multinodular, 2: mass-like round/oval, 3: superficial spread |
| Borders | 1: well defined /pushing type, 2: focal infiltrating, 3: diffuse infiltrating |
| Dominant STIR Signal intensity | 1: hypointense, 2: isointense, 3: hyperintense |
| STIR Homogeneity | 1: homogenous, 2: inhomogenous |
| Contrast enhancement of the tumor | 1:<1/3 of the tumor, 2: 1/3–2/3, 3: >2/3 |
| Homogeneity of Tumor contrast enhancement | 1: homogeneous, 2: inhomogeneous |
| Tail sign | 1: present, 0: absent, 2: uncertain |
| Vascularization | 1: present, 0: absent |
| Necrosis | 1: present, 0: absent |
| perilesional Edema | 1: present, 0: absent |
| perilesional Contrast enhancement | 1: present, 0: absent |
| Max diameter (in mm without tail) | in mm |
| Edema diameter (in mm) | in mm |