Liver & GIT
Most common site of carcinoid is (LQ)
Carcinoid is a slow-growing type of neuroendocrine tumor originating in the cells of the neuroendocrine system. In some cases, metastasis may occur. Carcinoid tumors have more benign features than neuroendocrine cancers.
They are most commonly found in the midgut at the level of the ileum or in the appendix. The next most common affected area is the respiratory tract. Most common site is appendix.
About 10% of carcinoids secrete excessive levels of most notably serotonin (5-HT), causing:
Surgery is the only curative therapy.
If the tumor has metastasized (most commonly, to the liver) and is considered incurable, there are some promising treatment modalities, such as radiolabeled octreotide.