Abstract
Upper tract urothelial carcinoma (UTUC) is a relatively rare disease that presents unique challenges to urologists from both a diagnostic and management standpoint. UTUC is a clinically heterogenous disease with a varied natural history, and given its location in the upper urinary tract, treatment has the potential to cause or worsen chronic kidney disease. Therefore, physicians caring for patients with UTUC must be facile with multiple diagnostic and therapeutic strategies in order to provide optimal patient care. We present an overview of the epidemiology, histology, risk factors, and contemporary approach to the diagnosis, laboratory evaluation, imaging, and risk stratification for patients with UTUC. Computerized tomographic urography, thorough endoscopic evaluation, and biopsy (endoscopically or percutaneously) remain the standard of care for the diagnosis and staging of patients with suspected UTUC. Preoperative nomograms are vital to select patients more optimally for preoperative systemic chemotherapy and facilitate clinical trial enrollment. A thorough understanding of the various diagnostic challenges, imaging/pathologic limitations, biomarkers, and risk stratification tools will allow us as a field to develop new modalities to improve our diagnostic capabilities and reduce the risk of under diagnosis and over treatment for our patients.
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