Feasibility of using optical coherence tomography to detect radiation-induced fibrosis and residual cancer extent after neoadjuvant chemo-radiation therapy: an ex vivo study
van, Laarhoven, HWM
van Berge, Henegouwen MI
van Leeuwen, TG
de Boer, JF
van Herk, Marcel
AffiliationDepartment of Biomedical Engineering and Physics, Amsterdam UMC, University of Amsterdam, Amsterdam 1105 AZ, The Netherlands
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AbstractTreatment of resectable esophageal cancer includes neoadjuvant chemo-radiation therapy (nCRT) followed by esophagectomy in operable patients. High-risk surgery may have been avoided in patients with a pathological complete response (pCR). We investigated the feasibility of optical coherence tomography (OCT) to detect residual cancer and radiation-induced fibrosis in 10 esophageal cancer patients that underwent nCRT followed by esophagectomy. We compared our OCT findings with histopathology. Overall, OCT was able to differentiate between healthy tissue, fibrotic tissue, and residual cancer with a sensitivity and specificity of 79% and 67%, respectively. Hence, OCT has the potential to add to the assessment of a pCR.
CitationJelvehgaran P, Alderliesten T, Georgiou G, Meijer SL, Bloemen PR, Kodach LL, et al. Feasibility of using optical coherence tomography to detect radiation-induced fibrosis and residual cancer extent after neoadjuvant chemo-radiation therapy: an ex vivo study. Biomed Opt Express. 2018 Sep 1;9(9):4196-216.
JournalBiomedical Optics Express
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