A master’s thesis of the Department of Pathology discussed the importance and characteristics of the third differentiation cluster in diagnosing celiac disease in terms of the effectiveness of histological changes and their relationship to diagnostic methods, presented by Saja H. Abdelkader on Sunday 10th January 2021. The message aimed to find the most accurate way to arrive at a diagnosis. And it reached a statement of the importance of the immunochemical, histochemical methods in diagnosing celiac disease. The discussion committee consisted of Assistant Prof Dr Jalal A.Jalal (Chair), Assistant Prof Dr Ikhlas A. Ali (Member), Lecturer Dr Mustafa S. Fadil (Member), and Prof Dr Wahda M. Tayyib (Member and Supervisor). After the discussion, the committee’s decision was read, included accepting the thesis with the necessary amendments, and granting the student a master’s degree.