Grading upper tract urothelial carcinoma with the attenuation coefficient of in‐vivo optical coherence tomography

With catheter based optical coherence tomography (OCT), high resolution images of the upper urinary tract can be obtained, thereby facilitating the detection of upper tract urothelial carcinomas (UTUC). We hypothesized that the attenuation coefficient of the OCT signal (μOCT) is related to the histopathologic grade of the tumor.

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