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ECR 2019 / C-3635
Imaging evaluation of lung lesions treated with stereotactic ablative radiotherapy
Congress: ECR 2019
Poster No.: C-3635
Type: Scientific Exhibit
Keywords: Lung, Thorax, Nuclear medicine, CT, Gamma knife, PET-CT, VMAT and Tomotherapy, Radiation therapy / Oncology, Education, Radiotherapy techniques, Image guided radiotherapy, Tissue characterisation
Authors: S. Mennella1, I. Pulzato1, G. Ficarra2, E. Barabino1, S. vagge2, G. Cittadini2; 1Genova/IT, 2Genoa/IT
DOI:10.26044/ecr2019/C-3635

Conclusion

Nguyen criteria for early identification of LR is useful and can raise the radiological sensitivity up to 100%, nevertheless the identification of 3 HRFs has a low PPV (58%) and the guide of a radiologist expert in the field is mandatory to avoid false positive whose causes are mainly SABR side effects such as radiation induced pneumonia and atelectasia.

We remark the use of CC growth parameter since it is the most performant single HRFs of LR (sensitivity 80%, specificity 91%, PPV 75% and NPV 93%).

 

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