“…However, traditional imaging techniques, such as ultrasonography, vesical radiography and magnetic resonance imaging, are of limited value for an early, definitive diagnosis of BC . As the most reliable method currently available for the diagnosis of BC, cystoscopy can detect the size, number, shape, location and base and surrounding conditions of the tumour to confirm the pathological diagnosis . Unfortunately, cystoscopy is an invasive diagnostic procedure, and its use is limited by the lack of suitable biomarkers for pathological staining.…”