Configuration of soft-tissue sarcoma on MRI correlates with grade of malignancy
, , , und | 29. Jan. 2021
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Article Category: Research Article
Online veröffentlicht: 29. Jan. 2021
Seitenbereich: 158 - 163
Eingereicht: 11. Nov. 2020
Akzeptiert: 14. Dez. 2020
DOI: https://doi.org/10.2478/raon-2021-0007
© 2021 Sam Sedaghat, Mona Salehi Ravesh, Maya Sedaghat, Marcus Both, Olav Jansen, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Figure 1
Figure 2
![1.5-T MRI of the arm (proton density [PD] fat saturation [FS]: 6 consecutive slices of 3 mm) of a 54-year-old patient. The higher-grade polycyclic/multilobulated sarcoma in the upper arms shows solid (white arrow) and cystic (white arrowhead) components.](https://sciendo-parsed.s3.eu-central-1.amazonaws.com/647355f34e662f30ba53aa8d/j_raon-2021-0007_fig_002.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Date=20240529T110647Z&X-Amz-SignedHeaders=host&X-Amz-Expires=18000&X-Amz-Credential=AKIA6AP2G7AKP25APDM2%2F20240529%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Signature=e6b9eae8e52b88ec410d161eb545d93a201d8de0e84c972156c09a329d2753ba)
Figure 3
![1.5-T MRI of the pelvis (A) proton density [PD] axial, (B) contrast-enhanced T1 fat saturation [FS] axial, (C) PD sagittal) of a 49-year-old patient. The higher-grade polycyclic/multilobulated sarcoma in the right pelvis (white arrow) shows heterogeneous contrast enhancement (black arrow), infiltrative behavior (black arrowhead), and solid components within cystic tissue (white arrowhead).](https://sciendo-parsed.s3.eu-central-1.amazonaws.com/647355f34e662f30ba53aa8d/j_raon-2021-0007_fig_003.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Date=20240529T110647Z&X-Amz-SignedHeaders=host&X-Amz-Expires=18000&X-Amz-Credential=AKIA6AP2G7AKP25APDM2%2F20240529%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Signature=e569ffe16b87c621d7fe6c1e1696b7b8dabc6e6d2403b4b9c7dcaad2e3e25185)
Figure 4
![1.5-T MRI of the pelvis (A) proton density [PD] fat saturation [FS]: coronal, (B) PD FS axial, (C) contrast-enhanced T1 FS axial) of a 51-year-old patient. The low-grade sarcoma in the right gluteal region (white arrow) shows an ovoid/nodular configuration and well-defined borders.](https://sciendo-parsed.s3.eu-central-1.amazonaws.com/647355f34e662f30ba53aa8d/j_raon-2021-0007_fig_004.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Date=20240529T110647Z&X-Amz-SignedHeaders=host&X-Amz-Expires=18000&X-Amz-Credential=AKIA6AP2G7AKP25APDM2%2F20240529%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Signature=1cb677d5a8eac9801b12f22162fcc28136b98e44f72ec31b42524ca1ad400c5d)
Figure 5
Figure 6
Overview of configuration of high-grade (G3), intermediate-grade (G2) and low-grade (G1) soft-tissue sarcomas (STS). Additional information on tumor infiltration (infiltrative or well-defined), contrast enhancement (homogeneous or heterogeneous), and volume in “cm3” is shown
| Configuration of STS | G3 (number, contrast enhancement, infiltration) | Volume G3 (cm3) | G2 (number, contrast enhancement, infiltration) | Volume G2 (cm3) | G1 (number, contrast enhancement, infiltration) | Volume G1 (cm3) |
| Polycyclic/ multilobulated | Median: 765.9**** (Min. 15.6, Max. 4572.5, SD: 1176.5) | Median: 114.8 (Min. 6, Max. 334, SD: 94.6) | 3 all homogeneous all well-defined | Median: 198.1 (Min. 15.8, Max. 447.2, SD: 223.3) | ||
| Fascicular | 1 | - | 2 | - | ||
| Ovoid/nodular | Median: 9 (Min. 3.3, Max. 20.3, SD: 9.8) | Median: 26.5 (Min. 2.6, Max. 41.4, SD: 17.7) | Median: 11.2 (Min. 1.6, Max. 25.4, SD: 7.7) | |||
| Streaky | Median: 49.4 (Min. 5.6, Max. 130.9, SD: 70.7) | Median 7.9 (Min. 7.1, Max. 8.6, SD: 1.1) | Median: 4.4 (Min. 2.6, Max. 6.5, SD: 1.4) | |||
| Fusiform | 1 | - | 2 | 1 | - | |