1.Occupational disease monitoring by the Korea Occupational Disease Surveillance Center: a narrative review
Dong-Wook LEE ; Inah KIM ; Jungho HWANG ; Sunhaeng CHOI ; Tae-Won JANG ; Insung CHUNG ; Hwan-Cheol KIM ; Jaebum PARK ; Jungwon KIM ; Kyoung Sook JEONG ; Youngki KIM ; Eun-Soo LEE ; Yangwoo KIM ; Inchul JEONG ; Hyunjeong OH ; Hyeoncheol OH ; Jea Chul HA ; Jeehee MIN ; Chul Gab LEE ; Heon KIM ; Jaechul SONG
The Ewha Medical Journal 2025;48(1):e9-
This review examines the challenges associated with occupational disease surveillance in Korea, particularly emphasizing the limitations of current data sources such as the Industrial Accident Compensation Insurance (IACI) statistics and special health examinations. The IACI system undercounts cases due to its emphasis on severe diseases and restrictions on approvals. Special health examinations, although they cover a broad workforce, are constrained by their annual scheduling, which leads to missed acute illnesses and subclinical conditions. The paper also explores the history of occupational disease surveillance in Korea, highlighting the fragmented and disease-specific approach of earlier systems. The authors introduce the newly established Korea Occupational Disease Surveillance Center (KODSC), a comprehensive nationwide system designed to gather, analyze, and interpret data on occupational diseases through a network of regional centers. By incorporating hospital-based surveillance and focusing on acute poisonings and other sentinel events, the KODSC aims to overcome the limitations of previous systems and promote collaboration with various agencies. Although it is still in the early stages of implementation, the KODSC demonstrates potential for improving data accuracy and contributing valuable insights for public health policy.
2.Occupational disease monitoring by the Korea Occupational Disease Surveillance Center: a narrative review
Dong-Wook LEE ; Inah KIM ; Jungho HWANG ; Sunhaeng CHOI ; Tae-Won JANG ; Insung CHUNG ; Hwan-Cheol KIM ; Jaebum PARK ; Jungwon KIM ; Kyoung Sook JEONG ; Youngki KIM ; Eun-Soo LEE ; Yangwoo KIM ; Inchul JEONG ; Hyunjeong OH ; Hyeoncheol OH ; Jea Chul HA ; Jeehee MIN ; Chul Gab LEE ; Heon KIM ; Jaechul SONG
The Ewha Medical Journal 2025;48(1):e9-
This review examines the challenges associated with occupational disease surveillance in Korea, particularly emphasizing the limitations of current data sources such as the Industrial Accident Compensation Insurance (IACI) statistics and special health examinations. The IACI system undercounts cases due to its emphasis on severe diseases and restrictions on approvals. Special health examinations, although they cover a broad workforce, are constrained by their annual scheduling, which leads to missed acute illnesses and subclinical conditions. The paper also explores the history of occupational disease surveillance in Korea, highlighting the fragmented and disease-specific approach of earlier systems. The authors introduce the newly established Korea Occupational Disease Surveillance Center (KODSC), a comprehensive nationwide system designed to gather, analyze, and interpret data on occupational diseases through a network of regional centers. By incorporating hospital-based surveillance and focusing on acute poisonings and other sentinel events, the KODSC aims to overcome the limitations of previous systems and promote collaboration with various agencies. Although it is still in the early stages of implementation, the KODSC demonstrates potential for improving data accuracy and contributing valuable insights for public health policy.
3.Occupational disease monitoring by the Korea Occupational Disease Surveillance Center: a narrative review
Dong-Wook LEE ; Inah KIM ; Jungho HWANG ; Sunhaeng CHOI ; Tae-Won JANG ; Insung CHUNG ; Hwan-Cheol KIM ; Jaebum PARK ; Jungwon KIM ; Kyoung Sook JEONG ; Youngki KIM ; Eun-Soo LEE ; Yangwoo KIM ; Inchul JEONG ; Hyunjeong OH ; Hyeoncheol OH ; Jea Chul HA ; Jeehee MIN ; Chul Gab LEE ; Heon KIM ; Jaechul SONG
The Ewha Medical Journal 2025;48(1):e9-
This review examines the challenges associated with occupational disease surveillance in Korea, particularly emphasizing the limitations of current data sources such as the Industrial Accident Compensation Insurance (IACI) statistics and special health examinations. The IACI system undercounts cases due to its emphasis on severe diseases and restrictions on approvals. Special health examinations, although they cover a broad workforce, are constrained by their annual scheduling, which leads to missed acute illnesses and subclinical conditions. The paper also explores the history of occupational disease surveillance in Korea, highlighting the fragmented and disease-specific approach of earlier systems. The authors introduce the newly established Korea Occupational Disease Surveillance Center (KODSC), a comprehensive nationwide system designed to gather, analyze, and interpret data on occupational diseases through a network of regional centers. By incorporating hospital-based surveillance and focusing on acute poisonings and other sentinel events, the KODSC aims to overcome the limitations of previous systems and promote collaboration with various agencies. Although it is still in the early stages of implementation, the KODSC demonstrates potential for improving data accuracy and contributing valuable insights for public health policy.
4.Occupational disease monitoring by the Korea Occupational Disease Surveillance Center: a narrative review
Dong-Wook LEE ; Inah KIM ; Jungho HWANG ; Sunhaeng CHOI ; Tae-Won JANG ; Insung CHUNG ; Hwan-Cheol KIM ; Jaebum PARK ; Jungwon KIM ; Kyoung Sook JEONG ; Youngki KIM ; Eun-Soo LEE ; Yangwoo KIM ; Inchul JEONG ; Hyunjeong OH ; Hyeoncheol OH ; Jea Chul HA ; Jeehee MIN ; Chul Gab LEE ; Heon KIM ; Jaechul SONG
The Ewha Medical Journal 2025;48(1):e9-
This review examines the challenges associated with occupational disease surveillance in Korea, particularly emphasizing the limitations of current data sources such as the Industrial Accident Compensation Insurance (IACI) statistics and special health examinations. The IACI system undercounts cases due to its emphasis on severe diseases and restrictions on approvals. Special health examinations, although they cover a broad workforce, are constrained by their annual scheduling, which leads to missed acute illnesses and subclinical conditions. The paper also explores the history of occupational disease surveillance in Korea, highlighting the fragmented and disease-specific approach of earlier systems. The authors introduce the newly established Korea Occupational Disease Surveillance Center (KODSC), a comprehensive nationwide system designed to gather, analyze, and interpret data on occupational diseases through a network of regional centers. By incorporating hospital-based surveillance and focusing on acute poisonings and other sentinel events, the KODSC aims to overcome the limitations of previous systems and promote collaboration with various agencies. Although it is still in the early stages of implementation, the KODSC demonstrates potential for improving data accuracy and contributing valuable insights for public health policy.
5.Occupational disease monitoring by the Korea Occupational Disease Surveillance Center: a narrative review
Dong-Wook LEE ; Inah KIM ; Jungho HWANG ; Sunhaeng CHOI ; Tae-Won JANG ; Insung CHUNG ; Hwan-Cheol KIM ; Jaebum PARK ; Jungwon KIM ; Kyoung Sook JEONG ; Youngki KIM ; Eun-Soo LEE ; Yangwoo KIM ; Inchul JEONG ; Hyunjeong OH ; Hyeoncheol OH ; Jea Chul HA ; Jeehee MIN ; Chul Gab LEE ; Heon KIM ; Jaechul SONG
The Ewha Medical Journal 2025;48(1):e9-
This review examines the challenges associated with occupational disease surveillance in Korea, particularly emphasizing the limitations of current data sources such as the Industrial Accident Compensation Insurance (IACI) statistics and special health examinations. The IACI system undercounts cases due to its emphasis on severe diseases and restrictions on approvals. Special health examinations, although they cover a broad workforce, are constrained by their annual scheduling, which leads to missed acute illnesses and subclinical conditions. The paper also explores the history of occupational disease surveillance in Korea, highlighting the fragmented and disease-specific approach of earlier systems. The authors introduce the newly established Korea Occupational Disease Surveillance Center (KODSC), a comprehensive nationwide system designed to gather, analyze, and interpret data on occupational diseases through a network of regional centers. By incorporating hospital-based surveillance and focusing on acute poisonings and other sentinel events, the KODSC aims to overcome the limitations of previous systems and promote collaboration with various agencies. Although it is still in the early stages of implementation, the KODSC demonstrates potential for improving data accuracy and contributing valuable insights for public health policy.
6.Impact of neck posture and insulating stick use on neck disability in Korean line workers: a cross-sectional study
Bounggyun JU ; Jaehoo LEE ; Hye-min KIM ; Chul Gab LEE ; Hansoo SONG
Annals of Occupational and Environmental Medicine 2024;36(1):e11-
Occupational neck disability is a prevalent issue, especially among line workers, who are often exposed to elevated levels of cervical ergonomic stress. The aim of this study was to investigate the impact of neck posture and insulating stick use on neck disability in a specific occupational group in Korea. This cross-sectional study was conducted among 483 line workers in Gwangju and Jeonnam, Korea. Data were collected using the Neck Disability Index, Cervical Degenerative Index, and a structured questionnaire focusing on demographic and occupational factors. Logistic regression analysis was applied to determine the adjusted odds ratio (OR) and 95% confidence interval (CI) for neck posture and factors related to neck disability. Neck disability prevalence was 17.2% among the participants. Multivariate logistic regression analysis showed that factors related to neck disability included age over 60 years (adjusted OR: 3.08; 95% CI: 1.63–5.83), depression (adjusted OR: 8.33; 95% CI: 3.85–18.00), a history of cervical trauma (adjusted OR: 2.13; 95% CI: 1.04–4.40), and radiological degenerative changes in the cervical spine (adjusted OR: 2.33; 95% CI: 1.26–4.33). In particular, the adjusted OR of neck disability among live-line workers was 2.10 (95% CI: 1.12–3.92) when compared with support workers (model 1). Other analysis models showed that use of insulating sticks for more than 10 hours per week (adjusted OR: 2.46; 95% CI: 1.32–4.61) and higher neck extension (adjusted OR: 2.98; 95% CI: 1.14–3.46) were significant work-related risk factors (model 2,3). Neck posture, age, depression, cervical trauma history, degenerative changes in the cervical spine, and use of insulating sticks are significant risk factors for neck disability among line workers in Korea. These findings highlight the need to improve the working environment and reduce the burden of cervical ergonomic stress among line workers.
7.Primary Invasive Ductal Carcinoma Arising in Axillary Accessory Breast:A Case Report
Seo Young PARK ; Jeeyeon LEE ; Ji Young PARK ; Gab Chul KIM ; Jongmin PARK ; Jung Geun CHA ; Hye Jung KIM
Journal of the Korean Society of Radiology 2024;85(2):421-427
Ectopic breast tissue can develop along the mammary ridge from the axilla to the groin, and the most common site is the axillae. Primary carcinoma of ectopic breast tissue is extremely rare. We report a rare case of a 61-year-old woman with a palpable mass in her left axilla who had a history of surgical excision of accessory breast tissue in the same area. Mammography (MMG), including axillary tail view, ultrasound (US), and breast MRI were performed. We evaluated the extent and characteristics of the microcalcifications in the axillary tail view. A US-guided biopsy was done, and histopathology revealed an invasive ductal carcinoma. Enhanced abdominal CT revealed multiple hepatic masses consistent with metastases, and the patient received palliative chemotherapy. Herein, we present a rare case of breast cancer arising from accessory breast tissue in the axilla, best appreciated on the axillary tail view of the patient’s MMG.
8.Impact of neck posture and insulating stick use on neck disability in Korean line workers: a cross-sectional study
Bounggyun JU ; Jaehoo LEE ; Hye-min KIM ; Chul Gab LEE ; Hansoo SONG
Annals of Occupational and Environmental Medicine 2024;36(1):e11-
Occupational neck disability is a prevalent issue, especially among line workers, who are often exposed to elevated levels of cervical ergonomic stress. The aim of this study was to investigate the impact of neck posture and insulating stick use on neck disability in a specific occupational group in Korea. This cross-sectional study was conducted among 483 line workers in Gwangju and Jeonnam, Korea. Data were collected using the Neck Disability Index, Cervical Degenerative Index, and a structured questionnaire focusing on demographic and occupational factors. Logistic regression analysis was applied to determine the adjusted odds ratio (OR) and 95% confidence interval (CI) for neck posture and factors related to neck disability. Neck disability prevalence was 17.2% among the participants. Multivariate logistic regression analysis showed that factors related to neck disability included age over 60 years (adjusted OR: 3.08; 95% CI: 1.63–5.83), depression (adjusted OR: 8.33; 95% CI: 3.85–18.00), a history of cervical trauma (adjusted OR: 2.13; 95% CI: 1.04–4.40), and radiological degenerative changes in the cervical spine (adjusted OR: 2.33; 95% CI: 1.26–4.33). In particular, the adjusted OR of neck disability among live-line workers was 2.10 (95% CI: 1.12–3.92) when compared with support workers (model 1). Other analysis models showed that use of insulating sticks for more than 10 hours per week (adjusted OR: 2.46; 95% CI: 1.32–4.61) and higher neck extension (adjusted OR: 2.98; 95% CI: 1.14–3.46) were significant work-related risk factors (model 2,3). Neck posture, age, depression, cervical trauma history, degenerative changes in the cervical spine, and use of insulating sticks are significant risk factors for neck disability among line workers in Korea. These findings highlight the need to improve the working environment and reduce the burden of cervical ergonomic stress among line workers.
9.Primary Invasive Ductal Carcinoma Arising in Axillary Accessory Breast:A Case Report
Seo Young PARK ; Jeeyeon LEE ; Ji Young PARK ; Gab Chul KIM ; Jongmin PARK ; Jung Geun CHA ; Hye Jung KIM
Journal of the Korean Society of Radiology 2024;85(2):421-427
Ectopic breast tissue can develop along the mammary ridge from the axilla to the groin, and the most common site is the axillae. Primary carcinoma of ectopic breast tissue is extremely rare. We report a rare case of a 61-year-old woman with a palpable mass in her left axilla who had a history of surgical excision of accessory breast tissue in the same area. Mammography (MMG), including axillary tail view, ultrasound (US), and breast MRI were performed. We evaluated the extent and characteristics of the microcalcifications in the axillary tail view. A US-guided biopsy was done, and histopathology revealed an invasive ductal carcinoma. Enhanced abdominal CT revealed multiple hepatic masses consistent with metastases, and the patient received palliative chemotherapy. Herein, we present a rare case of breast cancer arising from accessory breast tissue in the axilla, best appreciated on the axillary tail view of the patient’s MMG.
10.Impact of neck posture and insulating stick use on neck disability in Korean line workers: a cross-sectional study
Bounggyun JU ; Jaehoo LEE ; Hye-min KIM ; Chul Gab LEE ; Hansoo SONG
Annals of Occupational and Environmental Medicine 2024;36(1):e11-
Occupational neck disability is a prevalent issue, especially among line workers, who are often exposed to elevated levels of cervical ergonomic stress. The aim of this study was to investigate the impact of neck posture and insulating stick use on neck disability in a specific occupational group in Korea. This cross-sectional study was conducted among 483 line workers in Gwangju and Jeonnam, Korea. Data were collected using the Neck Disability Index, Cervical Degenerative Index, and a structured questionnaire focusing on demographic and occupational factors. Logistic regression analysis was applied to determine the adjusted odds ratio (OR) and 95% confidence interval (CI) for neck posture and factors related to neck disability. Neck disability prevalence was 17.2% among the participants. Multivariate logistic regression analysis showed that factors related to neck disability included age over 60 years (adjusted OR: 3.08; 95% CI: 1.63–5.83), depression (adjusted OR: 8.33; 95% CI: 3.85–18.00), a history of cervical trauma (adjusted OR: 2.13; 95% CI: 1.04–4.40), and radiological degenerative changes in the cervical spine (adjusted OR: 2.33; 95% CI: 1.26–4.33). In particular, the adjusted OR of neck disability among live-line workers was 2.10 (95% CI: 1.12–3.92) when compared with support workers (model 1). Other analysis models showed that use of insulating sticks for more than 10 hours per week (adjusted OR: 2.46; 95% CI: 1.32–4.61) and higher neck extension (adjusted OR: 2.98; 95% CI: 1.14–3.46) were significant work-related risk factors (model 2,3). Neck posture, age, depression, cervical trauma history, degenerative changes in the cervical spine, and use of insulating sticks are significant risk factors for neck disability among line workers in Korea. These findings highlight the need to improve the working environment and reduce the burden of cervical ergonomic stress among line workers.

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