[The internist's view of hematuria (author's transl)].

The symptoms of hematuria are easily and accurately detected through careful sediment diagnosis. The path from initial indications to diagnosis often means a major expenditure of laboratory methods, of bioptic excisions, and of radiologic procedures for the examination. Above all, vascular and infected lesions of the kidneys and of the eliminative urinary tracts can cause hematuria, which in every case requires clarification.