Urologie pro praxi 1/2026
Imaging of tumours of the kidney and urinary tract using computed tomography
Computed tomography (CT) is the fundamental imaging technique in diagnosing tumours of the kidney and urinary tract. It enables the detection, characterization, and staging of renal and urothelial cancers and remains the method of choice owing to its high spatial and temporal resolution and wide availability. Multiphase protocols provide detailed information on lesion morphology and enhancement characteristics, including assessment of lymph node involvement and distant metastases. CT urography is crucial for diagnosing urothelial carcinomas of the upper and lower urinary tracts. The main limitations of CT are the difficult differential diagnosis of some benign and malignant lesions and the limited ability to assess the depth of bladder cancer invasion. The development of spectral techniques and dual-energy testing brings new possibilities, particularly in terms of reducing the radiation burden and improving the quality of the imaging data obtained.
Keywords: imaging techniques, computed tomography, CT urography, renal carcinoma, urothelial carcinoma.
