en Pediatric Hematology & Oncology Pediatric Hematology & Oncology پژوهشي Original Article Neuroendocrine tumors are most often located in the intestine and lungs but they can arise from other areas of the body. Limited data is available on epidemiology and clinical patterns of neuroendocrine tumors in Iran. We analyzed medical records of 34 patients from 2 cancer centers (Emam Khomeini hospital and Omid Charity Cancer Center) in west Azarbaijan province of Iran with neuroendocrine tumors to identify origins of the disease and the demography of the patients. Keywords: Neuroendocrine, tumor, demography, Iran Neuroendocrine, tumor, demography, Iran 149 150 http://ijbc.ir/browse.php?a_code=A-10-1-40&slc_lang=en&sid=1 Nasim Valizadeh 10031947532846002059 10031947532846002059 Yes Ali Eishi Oskuie 10031947532846002060 10031947532846002060 No Mohsen Mansori 10031947532846002061 10031947532846002061 No