[Chromogranin A (CgA) - the influence of various factors in vivo and in vitro, and existing disorders on it's concentration in blood].

Chromogranin A (CgA) is regarded as a major, nonspecific neuroendocrine tumour (NET) marker. The results of CgA blood concentration, however, may actually be influenced by various factors or coexisting pathological conditions. Among the factors causing a substantial increase of the blood CgA concentration are: treatment with proton-pump inhibitors or H2… (More)