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Table 2 Magnetic resonance imaging (MRI) assessment and combined qualitative assessment by MRI and diffusion-weighted imaging (DWI)

From: Post-treatment benign changes versus recurrence in non-lymphoid head and neck malignancies: can diffusion-weighted magnetic resonance imaging end up the diagnostic challenge?

DiagnosisConventional MRI assessmentCombined qualitative assessment by MRI and DWIBiopsy and histopathological examination
Locoregional recurrence/residual tumour20 cases
15 true positive
5 false positive
17 cases
16 true positive
1 false positive
“18 cases”
Post-treatment benign changes10 cases
7 true negative
3 false negative
13 cases
11 true negative
2 false negative
“12 cases”
Total30 cases30 cases“30 cases”
  1. Results of conventional magnetic resonance imaging (MRI) assessment and combined qualitative assessment by MRI and diffusion-weighted imaging (DWI) compared to the final definitive diagnoses obtained by biopsies and histopathological examinations
  2. MRI magnetic resonance imaging, DWI diffusion-weighted imaging