Acute appendicitis is an inflammatory process which one of the most frequent global causes surgical interventions in children. The goal study was to determine whether acute phase proteins, that is, C-reactive protein (CRP), procalcitonin (PCT) and neutrophil gelatinase-associated lipocalin (NGAL), interleukin 6 (IL-6), transforming growth factor-beta1 (TGF-β1) cortisol (HC) play a role pathomec...