ABSTRACT
The diagnostic scale of acute appendicitis was combined using literature review and retrospective analysis of patients' data. Clinical symptoms, laboratory tests and ultrasound investigation were comprehensively analyzed. Thus, all patients could be divided in three groups: 1st group (1-3 points according to the used scale) had low possibility of the acute appendicitis; 2nd group (4-7 points) united patients, requiring further diagnostic challenges and dynamic follow-up; 3rd group (8 points and more) had patients, who should have been operated on. Intraoperative view and histological investigation of the appendix were considered as reference diagnostic methods. Thereby, sensitivity, specificity, accuracy and prognostic value of positive and negative results the suggested diagnostic scale were 87,0, 96,7%, 91,3, 94,0 and 89,2%, respectively. Number of vain appendectomy was 12,3%.The scale allows to perform the right surgical treatment tactics with no regard of personal doctor's experience.