Abstract
Neuroendocrine tumours (NET) are found to be aggressive and extremely rare tumour. Its annual incidence is approximately 2.5-5.0 per 100,000. NET which are arise from cells of the nervous and endocrine systems. Majority of NET are seen within the GIT(55%) and respiratory system(30%). Most common site are mainly 45% of small intestine,followed by 20% of rectum , 17% of appendix, 11% of colon and then 7% of stomach. Cancer of this type is highly aggressive, and can occur in younger patients.MRI – the best method to achieve because it provides precise information and clear images regarding their location, size and complexity of mass. Small cell NET is associated with thier early metastases to lymph nodes and liver and poor prognosis. Treatment for localized small cell NE carcinoma are done by mainly postoperative chemotherapy or radiation therapy with surgical excision. This type of tumor are characterized or identified by their aggressive behavior, natural history and often have widespread metastatic nature on presentation.
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