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Table 4 Metastases based on MRI (radiologist), PET (nuclear physician), PET-MRI (consensus radiologist and nuclear physician), and the reference standard, and change of opinion and policy

From: Positron emission tomography-magnetic resonance imaging (PET-MRI) for response assessment after radiation therapy of cervical carcinoma: a pilot study

Patient

MRI metastases

PET metastases

MRI-PET metastases

Regional or distant disease

Change of opinion (reason)

Policy of change

1

TN

TN

TN

2

TN

TN

TN

3

TN

TN

TN

4

TN

Equivocal

Equivocal

− Primary lung tumor

+ Primary lung tumor

+ Additional therapy

5

TP

TP

TP

+ Pelvic node

6

FN

TP

TP

+ Multiple

+ FDG-positive metastases

+ Palliation

7

FN

FN

FN

+ Multiple

− False negative

8

TN

TN

TN

9

TN

TN

TN

10

FN

TP

TP

+ Para-aortic node

+ FDG-positive metastases

+ Palliation

  1. Abbreviation: TN true negative, TP true positive, FP false positive, FN false negative + positive, − negative