development of a tumour was identified. It was observed that hypergastrinaemia, diabetes and ulcerative colitis may be associated with the development of NEN, but no cause-and-effect relationship was confirmed(4).
A special feature of NEN is the production of hormones or biogenic amines which can produce numerous clinical symptoms. In the case of disease spread symptoms of carcinoid syndrome may occur such as diarrhoea, tachycardia, hot flushes and reddening of the skin(3). The majority of NEN are
Journal of Ultrasonography , ISSUE 78, 228–235