Abstract
IntroductionMuscle-invasive bladder malignancies represent 20-30% of all bladder cancers. These patients require imaging tests to determine the regional and distant staging. ObjectiveTo describe the role of various imaging tests in the diagnosis, staging and follow-up of muscle-invasive bladder cancer. To assess recent developments in radiology aimed at improving the sensitivity and specificity of local staging and treatment response. Acquisition of evidenceWe conducted an updated literature review. Synthesis of the evidenceComputed tomography and magnetic resonance imaging (MRI) are the tests of choice for performing proper staging prior to surgery. Computed tomography urography is currently the most widely used technique, although it has limitations in local staging. Ultrasonography still has a limited role.Recent developments in MRI have improved its capacity for local staging. MRI has been suggested as the test of choice for the follow-up, with promising results in assessing treatment response.Positron emission tomography could improve the detection of adenopathies and extrapelvic metastatic disease. ConclusionsImaging tests are essential for the diagnosis, staging and follow-up of muscle-invasive bladder cancer. Recent technical developments represent important improvements in local staging and have opened the possibility of assessing treatment response.
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