"Carcinoid tumours are neuroendocrine tumours arising from APUD cells (amine precursor uptake and decarboxylation cells). They can cause a desmoplastic reaction in nearby tissue, leading to fibrosis and tethering of the adjacent bowel 1,3 (for further discussion, see the main article)."
"hyper-enhancing on arterial phase 3,6"
"Surgical resection is considered the main treatment for localised tumours 3. Carcinoid syndrome mainly treated by somatostatin analogue therapy. Everolimus is used as 2nd line treatment 5. Surgical resection, embolisation and ablation can be used to treat hepatic metastases 3."