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Table 2 Characteristics of the papers dealing with soft-tissue sarcomas included in the systematic review

From: CT and MRI radiomics of bone and soft-tissue sarcomas: a systematic review of reproducibility and validation strategies

First author

Year

Aim

Tumor

Design

Reference standard

Modality

Database size (n)

Public data

Segmentation

Process

Style

Corino [52]

2018

Grading

Multiple sarcoma histotypes

Retrospective

Histology

MRI

19

No

Manual

3D

Crombé [39]

2020

Metastatic relapse

Survival

Liposarcoma

Retrospective

Histology Follow-up

MRI

35

No

Manual

3D

Crombé [42]

2020

Metastatic relapse

Survival

Multiple sarcoma histotypes

Retrospective

Histology Follow-up

MRI

50

No

Manual

3D

Crombé [30]

2019

Therapy response

Multiple sarcoma histotypes

Prospective

Histology Imaging

MRI

25

No

Manual

3D

Crombé [47]

2019

Therapy response

Multiple sarcoma histotypes

Retrospective

Histology

MRI

65

No

Manual

3D

Crombé [63]

2020

Therapy response

Survival

Liposarcoma

Retrospective

Histology Follow-up

MRI

21

No

Manual

3D

Crombé [36]

2020

Therapy response

Survival

Desmoid tumor

Retrospective

Imaging Follow-up

MRI

42

No

Manual

3D

Crombé [31]

2020

Metastatic relapse

Survival

Multiple sarcoma histotypes

Retrospective

Histology Follow-up

MRI

70

No

Manual

3D

Gao [33]

2020

Therapy response

Multiple sarcoma histotypes

Prospective

Histology

MRI

30

No

Manual

3D

Hayano [21]

2015

Survival

Multiple sarcoma histotypes

Prospective

Follow-up

CT

20

No

Manual

2D without MS

Hong [64]

2020

Grading

Multiple sarcoma histotypes

Retrospective

Histology

MRI

42

No

Manual

3D

Juntu [48]

2010

Benign versus malignant

Multiple benign/ malignant histotypes

Retrospective

Histology

MRI

135

No

Manual

2D with MS

Kim [65]

2017

Benign versus malignant

Multiple benign/ malignant histotypes

Retrospective

Histology

MRI

40

No

Manual

3D

Leporq [19]

2020

Benign versus malignant

Lipoma

Liposarcoma

Retrospective

Histology

MRI

81

No

Manual

2D without MS

Malinauskaite [23]

2020

Benign versus malignant

Lipoma

Liposarcoma

Retrospective

Histology

MRI

38

No

Semiautomatic

3D

Martin-Carreras [34]

2019

Benign versus malignant

Myxoma Myxofibrosarcoma

Retrospective

Histology

MRI

56

No

Manual

3D

Mayerhoefer [57]

2008

Benign versus malignant

Multiple benign/ malignant histotypes

Non-tumoral lesions

Retrospective

Histology

MRI

58

No

Manual

2D with MS

Meyer [66]

2019

Proliferation index

Multiple sarcoma histotypes

Retrospective

Histology

MRI

29

No

Manual

2D without MS

Peeken [25]

2019

Grading

Survival

Multiple sarcoma histotypes

Retrospective

Histology Follow-up

MRI

225

No

Manual

3D

Peeken [27]

2019

Grading

Survival

Multiple sarcoma histotypes

Retrospective

Histology Follow-up

CT

221

Yes

Manual

3D

Pressney [14]

2020

Benign versus malignant

Lipoma

Liposarcoma

Retrospective

Histology

MRI

60

No

Manual

2D without MS

Spraker [51]

2019

Survival

Multiple sarcoma histotypes

Retrospective

Follow-up

MRI

226

No

Manual

3D

Tagliafico [26]

2019

Local relapse

Multiple sarcoma histotypes

Prospective

Histology Imaging

MRI

19

No

Manual

2D with MS

Thornhill [49]

2014

Benign versus malignant

Lipoma

Liposarcoma

Retrospective

Histology

MRI

44

No

Semiautomatic

3D

Tian [35]

2020

Metastatic relapse

n/a

Retrospective

Histology Imaging

MRI

77

No

Manual

3D

Tian [67]

2015

Therapy response

Survival

Multiple sarcoma histotypes

Prospective

Histology Follow-up

CT

20

No

Manual

2D without MS

Timbergen [20]

2020

Histotype

Desmoid tumor

Multiple sarcoma histotypes

Retrospective

Histology

MRI

203

No

Manual

3D

Vallières [55]

2015

Metastatic relapse

Multiple sarcoma histotypes

Retrospective

Histology Imaging

MRI

51

Yes

Manual

3D

Vallières [68]

2017

Metastatic relapse

Multiple sarcoma histotypes

Retrospective

Histology Imaging

MRI

30

Yes

Manual

3D

Vos [40]

2019

Benign versus malignant

Lipoma

Liposarcoma

Retrospective

Histology

MRI

116

No

Semiautomatic

3D

Wang [41]

2020

Grading

Multiple sarcoma histotypes

Retrospective

Histology

MRI

113

No

Manual

3D

Wang [43]

2020

Benign versus malignant

Multiple benign/ malignant histotypes

Retrospective

Histology

MRI

206

No

Manual

3D

Wang [24]

2020

Benign versus malignant

Multiple benign/ malignant histotypes

Retrospective

Histology

MRI

91

No

Manual

3D

Wu [18]

2020

Benign versus malignant

Multiple benign/ malignant histotypes

Retrospective

Histology

CT

49

No

Manual

2D without MS

Xiang [17]

2019

Grading

Multiple sarcoma histotypes

Retrospective

Histology

MRI

67

No

Manual

2D without MS

Xu [37]

2020

Grading

Multiple sarcoma histotypes

Retrospective

Histology

MRI

105

No

Manual

3D

Zhang [44]

2019

Grading

Multiple sarcoma histotypes

Retrospective

Histology

MRI

37

No

Manual

3D

  1. MS multiple sampling