PMID- 26724663 OWN - NLM STAT- MEDLINE DCOM- 20160808 LR - 20181202 IS - 1872-7727 (Electronic) IS - 0720-048X (Linking) VI - 85 IP - 1 DP - 2016 Jan TI - Dynamic contrast-enhanced perfusion area detector CT for non-small cell lung cancer patients: Influence of mathematical models on early prediction capabilities for treatment response and recurrence after chemoradiotherapy. PG - 176-186 LID - S0720-048X(15)30155-8 [pii] LID - 10.1016/j.ejrad.2015.11.009 [doi] AB - PURPOSE: To determine the capability and influence of the mathematical method on dynamic contrast-enhanced (CE-) perfusion area detector CT (ADCT) for early prediction of treatment response as well as progression free and overall survival (PFS and OS) of non-small cell lung cancer (NSCLC) patients treated with chemoradiotherapy. MATERIALS AND METHODS: Sixty-six consecutive stage III NSCLC patients underwent dynamic CE-perfusion ADCT examinations, chemoradiotherapy and follow-up examinations. Response Evaluation Criteria in Solid Tumors (RECIST) criteria were used to divide all patients into responders and non-responders. Differences in each of the indices for all targeted lesions between measurements obtained 2 weeks prior to the first and the third course of chemotherapy were determined for all patients. ROC analyses were employed to determine the capability of perfusion indices as markers for distinguishing RECIST responders from non-responders. To evaluate their capability for early prediction of therapeutic effect, OS of perfusion index-based responders and non-responders were compared by using the Kaplan-Meier method followed by log-rank test. RESULTS: Area under the curve (Az) for total perfusion by means of the dual-input maximum slope method was significantly larger than that of pulmonary arterial perfusion using the same method (p=0.007) and of perfusion with the single-input maximum slope method (p=0.007). Mean OS demonstrated significantly difference between responder- and non-responder groups for total perfusion (p=0.02). CONCLUSION: Mathematical models have significant influence on assessment for early prediction of treatment response, disease progression and overall survival using dynamic CE-perfusion ADCT for NSCLC patients treated with chemoradiotherapy. CI - Copyright (c) 2015 Elsevier Ireland Ltd. All rights reserved. FAU - Ohno, Yoshiharu AU - Ohno Y AD - Advanced Biomedical Imaging Research Center, Kobe University Graduate School of Medicine, Kobe, Japan; Division of Functional and Diagnostic Imaging Research, Department of Radiology, Kobe University Graduate School of Medicine, Kobe, Japan. Electronic address: yosirad@kobe-u.ac.jp. FAU - Koyama, Hisanobu AU - Koyama H AD - Division of Radiology, Department of Radiology, Kobe University Graduate School of Medicine, Kobe, Japan. FAU - Fujisawa, Yasuko AU - Fujisawa Y AD - Toshiba Medical Systems Corporation, Otawara, Japan. FAU - Yoshikawa, Takeshi AU - Yoshikawa T AD - Advanced Biomedical Imaging Research Center, Kobe University Graduate School of Medicine, Kobe, Japan; Division of Functional and Diagnostic Imaging Research, Department of Radiology, Kobe University Graduate School of Medicine, Kobe, Japan. FAU - Seki, Shinichiro AU - Seki S AD - Division of Radiology, Department of Radiology, Kobe University Graduate School of Medicine, Kobe, Japan. FAU - Sugihara, Naoki AU - Sugihara N AD - Toshiba Medical Systems Corporation, Otawara, Japan. FAU - Sugimura, Kazuro AU - Sugimura K AD - Division of Radiology, Department of Radiology, Kobe University Graduate School of Medicine, Kobe, Japan. LA - eng PT - Journal Article PT - Research Support, Non-U.S. Gov't DEP - 20151110 PL - Ireland TA - Eur J Radiol JT - European journal of radiology JID - 8106411 RN - 0 (Contrast Media) SB - IM MH - Aged MH - Carcinoma, Non-Small-Cell Lung/diagnostic imaging/*therapy MH - Chemoradiotherapy MH - *Contrast Media MH - Disease-Free Survival MH - Female MH - Humans MH - Lung/*diagnostic imaging MH - Lung Neoplasms/diagnostic imaging/*therapy MH - Male MH - Models, Theoretical MH - Neoplasm Recurrence, Local/*diagnostic imaging MH - Predictive Value of Tests MH - Prospective Studies MH - ROC Curve MH - Radiographic Image Enhancement MH - Reproducibility of Results MH - Tomography, X-Ray Computed/*methods MH - Treatment Outcome OTO - NOTNLM OT - CT OT - Chemoradiotherapy OT - Non-small cell lung cancer OT - Perfusion OT - Therapeutic effect EDAT- 2016/01/03 06:00 MHDA- 2016/08/09 06:00 CRDT- 2016/01/03 06:00 PHST- 2015/07/19 00:00 [received] PHST- 2015/10/23 00:00 [revised] PHST- 2015/11/04 00:00 [accepted] PHST- 2016/01/03 06:00 [entrez] PHST- 2016/01/03 06:00 [pubmed] PHST- 2016/08/09 06:00 [medline] AID - S0720-048X(15)30155-8 [pii] AID - 10.1016/j.ejrad.2015.11.009 [doi] PST - ppublish SO - Eur J Radiol. 2016 Jan;85(1):176-186. doi: 10.1016/j.ejrad.2015.11.009. Epub 2015 Nov 10.