Chromogranin A: From Laboratory to Clinical Aspects of Patients with Neuroendocrine Tumors

Table 2

Causes of Cg A elevation unrelated to NETs.

Nononcological conditions		Nonendocrine oncological disease
Benign diseases	Iatrogenic conditions
Gastrointestinal diseases; Chronic atrophic gastritis; Helicobacter pylori infection; Pancreatitis; Chronic hepatitis; Liver cirrhosis; Irritable bowel; Inflammatory bowel disease; Cardiovascular diseases; Arterial hypertension; Cardiac insufficiency; Acute coronary syndrome; Giant cell arteritis; Renal diseases; Renal insufficiency; Inflammatory diseases; Chronic bronchitis; Obstructive pulmonary diseases; Systemic rheumatoid arthritis; Endocrine disease; Hyperthyroidism; Hyperparathyroidism	Proton pump inhibitors; Histamine 2 receptor antagonists; Serotonin reuptake inhibitors	Gastric carcinoma; Pancreatic carcinoma; Hepatocellular carcinoma; Pancreatic carcinoma; Breast carcinoma; Ovarian carcinoma; Prostate carcinoma; Neuroblastoma; Small cell lung cancer