ABSTRACT A case of phaeochromocytoma localized in the urinary bladder wall above the right ureter in a 19 years old male is described. The patient had a sustained arterial hypertension between 170/120 and 260/170, without haematuria, with regular headache and palpitations immediately after urination. Catecholamines in urine 409 and 340 micrograms per day. A partial resection of the urinary bladder wall was performed with extirpation of a tumour weighing 40 g. Size of the tumour 80 × 60 × 60 mm. The tumour contained 1.5 mg adrenaline and 0.03 mg noradrenaline per g of tissue. Postoperatively blood pressure 140/90, catecholamines in the urine normal, and the patient made an uneventful recovery. The last follow-up ten months after operation. A short review of previously published cases is given.