Neuroendocrine tumors are that a type of cancer that spreads in specialized cells and are known as neuroendocrine cells. The work of neuroendocrine cells is to send and receive messages via hormones to help the body function.

Neuroendocrine tumors are one of the rare cancers that may occur anywhere in the body. This type of cancer mainly occurs in the appendix, pancreas, rectum, lungs, and small intestine. There are several types of neuroendocrine tumors, some grow gradually, and many very fast. Several neuroendocrine tumors may produce excess hormones (functional neuroendocrine tumors) and many others do not release hormones or also do not release sufficient to cause symptoms (non-functional neuroendocrine tumors).

The symptoms of neuroendocrine cancer may depend on the location and type of tumors. When neuroendocrine may produce extra hormones then the symptoms may also include frequent urination, skin rash, dizziness, shakiness, skin flushing, diarrhea, increased thirst, and many more. The risk of neuroendocrine cancer is higher in high in those people who get genetic syndromes which enhances the risk of cancer

Treatment and diagnosis of neuroendocrine tumors depend on the type of tumor and its location whether it has spread to several other parts of the body, and produces excess hormones.