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Table 2 Score for local residual tumor based on MRI (radiologist), PET (nuclear physician), and PET-MRI (consensus radiologist and nuclear physician) performed 3 months after treatment, quantitative measurements, reference standard, and outcome

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

Patient MRIpost
ADCmean
PETpost
SUVmax
MRI residual PET residual PET-MRI residual Reference standard Outcome
Local disease Distant metastasis
1 1.5 1.8 – – – – No No FU: NED 20 months
2 1.4 2.8 – – No No FU: NED 26 months
3 1.3 2.9 +/− – – No No FU: NED 25 months
4 1.3 3.0 + + +/− No No FU: NED 27 months
5 0.7 3.2 – – + Yes* Yes Palliation CHT
6 1.3 3.6 + + + + + Yes Yes Palliation CHT, diseased
7 1.6 3.0 + – – +/− No Yes Multiple meta, palliative
8 2.0 2.6 +/− + No No Salvage surgery, PA: no tumor. NED 21 months
9 1.5 5.1 +/− + + + Yes No Salvage surgery, FU: liver metastasis 3 months after surgery; palliative CHT
10 1.6 7.3 + – – No Yes Palliative CHT
  1. Corresponding symbols: − −, definitely no residual tumor; −, probably no residual tumor; +/−, unclear possibly residual tumor; +, probably residual tumor; + +, definitely residual tumor/metastasis
  2. Abbreviation: PA pathology, NED no evidence of disease, FU follow-up, CHT chemotherapy
  3. *No pathology of local residual disease, growing mass on subsequent scans