Discrepancy of Medical Terminology Regarding Colorectal Surgery Between South and North Korea

We aimed to investigate the extent of heterogeneity in medical terminology between South and North Korea by comparing medical terms related to the colorectal system. North Korean medical terms were collected from the sections on diseases of the small intestine and colon in a surgery textbook from North Korea, and those terms were compared with their corresponding terms in a South Korean medical terminology textbook. The terms were categorized as either identical, similar, showing disparity, or not used in South Korea. In a subsection analysis, the terms were allocated to pathophysiology, diagnosis, symptoms and examination, drugs, testing, treatment, or others according to the categorization used in the textbook. We found 705 terms in the North Korean textbook, most of which were pathophysiological terms (206, 29.2%), followed by diagnostic terms (165, 23.4%) and symptom and examination terms (122, 17.3%). Treatment-, drug-, and testing-related terms constituted 15.5%, 5.8%, and 4.1% of the 705 terms, respectively. There were 331 identical terms (47.0%) and 146 similar terms (20.7%); 126 terms (17.9%) showed disparity. Another 102 terms (14.5%) were not used in South Korea. The pathophysiological terms were the least heterogeneous, with 61.2% being identical terms used in both countries. However, 26.8% of the terms in the drug category were not used in South Korea. The present study showed that less than 50% of the terms for the colorectal system used in South and North Korea were identical. As the division between South and North Korea persists, the heterogeneity of medical terminology is expected to increase.