Renal cell carcinoma presenting as a pseudo-carcinoid tumour

A 38-year-old woman presented with hypertension and a renal cell carcinoma, Raised urinary 5-hydroxyindoleacetic acid values > 300 mu mol/l, predictiv e of carcinoid tumour, were found during the perioperative period, The valu es returned towards normal 2 weeks post-surgery, Immunohistochemical examin ation of the renal cell carcinoma with neuroendocrine markers was negative, Despite a diligent search, no carcinoid tumour could be identified and the patient was well 4 years later, There was no dietary or drug explanation f or this pseudocarcinoid. fur J Gastroenterol Hepatol 11:1059-1060 (C) 1999 Lippincott Williams & Wilkins.