[Practice guideline neuroendocrine tumors - AWMF-Reg. 021-27].

This guideline was created for the first time and is intended as a practical aid for the diagnosis and therapy of neuroendocrine tumors. The aim is to represent the current state of science, promote the recognition of the disease and improve the treatment of patients. The guideline was created under the leadership of the DGVS and with participation of neighbouring scientific societies.