rapy. (See 'Carcinoid syndrome and metastatic disease' above.) Use of UpToDate is subject to the Subscription and License Agreement. REFERENCES 1. Kulke, MH, Mayer, RJ. Carcinoid tumors. N Engl J Med 1999; 340:858. 2. Krenning, EP, Kwekkeboom, DJ, Pauwels, S, et al. Somatostatin receptor scintigraphy