title: Haematuria.
abstract: Haematuria due to lesions such as haemangiomas, varicose veins etc. are seldom described. We present two patients with rare lesions causing gross haematuria that caused diagnostic problems since all the clinical investigations were negative. The lesions were diagnosed peroperatively with the use of a pyeloscope. In this way a nephrectomy was avoided.
mesh_terms: D000293:Adolescent; D000328:Adult; D002114:Calcinosis / Q000150:complications*; D006391:Hemangioma / Q000150:complications*; D006417:Hematuria / Q000209:etiology*; D006801:Humans; D007674:Kidney Diseases / Q000150:complications*; D007680:Kidney Neoplasms / Q000150:complications*; D008297:Male