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Table 3 Qualitative MRI features of biological processes involved in bone sarcomas

From: Multiparametric MRI evaluation of bone sarcomas in children

Biological process

MRI sequences

T2

T1 FS + C

DWI

ADC

DCE-MRI (curve profile)

Viable tumor

Isointense

Hyperintense

Increased

Decreased

Types III and IV

Peritumoral edema

Hyperintense

Hyperintense

Increased

Increased

Types II and V

Fibrosis

Hypointense

Hypointense

Increased

Increased

Types II and V

Necrosis

Hyperintense

Hypointense

Increased

Increased

Type I

  1. ADC = apparent diffusion coefficient. C = contrast agent. DCE = dynamic contrast-enhanced. DWI = diffusion-weighted imaging. FS = fat-suppressed