"Alvorado's Scoring or Tzanaki's Scoring System in Acute Appendicitis" is a specialized book aimed at researchers and professionals in the fields of surgery and radiology. It provides a comprehensive analysis and discussion on the development and application of new assessment systems for the diagnosis of acute appendicitis. The book aims to reduce the rates of negative appendectomies and to increase the sensitivity and specificity of diagnoses. It encourages critical engagement with existing methods and suggests introducing new investigations or replacing existing ones to advance research in this important medical area. The authors emphasize the need for changes in medical research to avoid stagnation and to improve the quality of patient care.