A Thorough Review of the JSHI Certification System Paper Examination 2024

The written examination conducted by the Certification Committee for HLA Testing Technologists and Histocompatibility Instructors of the Japanese Society for Histocompatibility (JSHI) is intended to improve and maintain the skills and knowledge related to histocompatibility testing in Japan. Every year, a mock exam is held during the annual meeting. At the program, held as an educational lecture at the annual meeting, detailed explanations are provided for the so-called “difficult questions” in the last year’s mock exam-those questions with a low correct answer rate (generally below 40%). This article provides us with the text for that purpose. It would be a great pleasure if this proves helpful not only for beginners and those aiming to obtain certification but also for anyone wishing to review the fundamentals of HLA.