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Within the broad category of neuroendocrine tumors there are many different tumor types, [10] representing only a small proportion of the tumors or cancers in most of these tissues [citation needed]: Pituitary gland: Neuroendocrine tumor of the anterior pituitary; Thyroid gland: Neuroendocrine thyroid tumors, particularly medullary carcinoma
Neuroendocrine carcinoma of the cervix is best defined separately:Neuroendocrine: Of, relating to, or involving the interaction between the nervous system and the hormones of the endocrine glands. Carcinoma: An invasive malignant tumor derived from epithelial tissue that tends to metastasize to other areas of the body.
A phase III study of sunitinib treatment in well differentiated pNET that had worsened within the past 12 months (either advanced or metastatic disease) showed that sunitinib treatment improved progression-free survival (11.4 months vs. 5.5 months), overall survival, and the objective response rate (9.3% vs. 0.0%) when compared with placebo.
The prognosis of gastrinoma depends on the level of metastases of the tumor. If patients present with hepatic metastases they might have remaining life span of one year with a five-year survival rate of 20–30%. In patients with localized tumor or localized lymph spread the survival rate of five years is 90%.
Due to presence of these tumors, DIPNECH is classified as a pre-malignant condition. [1] Although there have been reports of atypical carcinoids with local lymph node involvement, there are no reports of more aggressive neuroendocrine tumors, such as large cell neuroendocrine or small cell lung cancer, associated with DIPNECH. [3]
A small intestine neuroendocrine tumor is a carcinoid in the distal small intestine or the proximal large intestine. It is a relatively rare cancer and is diagnosed in approximately 1/100000 people every year. In recent decades the incidence has increased. [1] The prognosis is comparatively good with a median survival of more than 8 years. [2]
A carcinoid (also carcinoid tumor) is a slow-growing [1] type of neuroendocrine tumor originating in the cells of the neuroendocrine system. In some cases, metastasis may occur. Carcinoid tumors of the midgut ( jejunum , ileum , appendix , and cecum ) are associated with carcinoid syndrome .
Pancreatic cancer is among the most deadly forms of cancer globally, with one of the lowest survival rates. In 2015, pancreatic cancers of all types resulted in 411,600 deaths globally. [ 8 ] Pancreatic cancer is the fifth-most-common cause of death from cancer in the United Kingdom, [ 19 ] and the third most-common in the United States. [ 20 ]