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Egyptian Journal of Radiology and Nuclear Medicine
Fig. 11 | Egyptian Journal of Radiology and Nuclear Medicine

Fig. 11

From: PET/CT implication on bronchogenic carcinoma TNM staging and follow-up using RECIST/PERCIST criteria: a comparative study with CT

Fig. 11

A male patient 40 years old diagnosed to have NSCLC received radiotherapy and chemotherapy. Baseline study (A, B, and C) showed the mass lesion = 82 × 38 mm on average with SUV uptake = 9.9. On follow-up after 3 months (Af, Bf, and Cf) showed almost stationary course regarding the size of the mass by CT = 81 × 37 mm in average interpreted as stable disease by RECIST criteria while on PET/CT the SUV decreased to be 4.4 instead of 9.9 leading to change in the opinion to be partial response by PERCIST criteria

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