| Evaluation of the correlation between gross lung score and microscopic diagnosis for swine pneumonia in Korean slaughterhouses |
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Hong-Seok Lee1, Myung-Chul Kim1, Na-Yon Kim1, Sung-Hyun Hwang1, Sumin Ji1, Young Kyung Park2, Yong Ho Park2, Yongbaek Kim1 |
1Laboratory of Clinical Pathology, College of Veterinary Medicine, Seoul National University
2Department of Veterinary Microbiology, College of Veterinary Medicine, Seoul National University |
| 국내 도축돈에서 발생한 폐렴에 대한 실물 폐 병변 지수와 조직병리학적 진단의 상관성 평가 |
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이홍석1, 김명철1, 김나연1, 황성현1, 지수민1, 박영경2, 박용호2, 김용백1 |
1서울대학교 수의과대학 임상병리학실
2서울대학교 수의과대학 수의미생물학실 |
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| Abstract |
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To reduce swine production costs, a slaughter check system has been developed in countries with an advanced swine industry. Evaluation of lung lesions in carcasses is a critical part of the slaughter check system. This study was performed to collect background information for use in developing a slaughter check system in Korea. Lung tissues and their gross images were collected from slaughterhouses in Gyeonggi-do, Korea. Scoring of the gross lung lesions was performed on the lung images. Histopathologic examination was conducted to classify the pulmonary lesions as bronchopneumonia or interstitial pneumonia. Scores of the gross lung lesions were significantly different between bronchopneumonia and interstitial pneumonia groups (p < 0.001). A 90% confidence interval of gross lung lesion scores was established for the bronchopneumonia group, and the lesion scoring had a sensitivity of 100% and specificity of 77.3%. The gross lung lesion scoring test was subjected to a diagnostic distinction evaluation by examining the receiver operating characteristic curve and was appraised as having good discrimination for bronchopneumonia. Establishment of a gross lung lesion scoring test for the diagnosis of bronchopneumonia could be valuable as a screening test of macroscopic bronchopneumonia in swine slaughter check system. |
| Key Words:
bronchopneumonia, lung lesion score, pathology, slaughter check, swine pneumonia |
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