Comparative studies of histopathologic pulmonary Lesion of cattle and deer tuberculosis by Mycobacterium bovis
2008
Jean, Y.H. (National Veterinary Research and Quarantine Service, Anyang, Republic of Korea), E-mail: jean@nvrqs.go.kr | Roh, I.S. (National Veterinary Research and Quarantine Service, Anyang, Republic of Korea) | Lee, K.H. (National Veterinary Research and Quarantine Service, Anyang, Republic of Korea) | Lee, K.W. (National Veterinary Research and Quarantine Service, Anyang, Republic of Korea) | Cho, Y.S. (National Veterinary Research and Quarantine Service, Anyang, Republic of Korea) | Joo, Y.S. (National Veterinary Research and Quarantine Service, Anyang, Republic of Korea)
Comparative studies of histopathologic lesions from 23 purified protein derivative (PPD) positive cattle, 21 slaughter cattle found with tuberculosis, and 11 tuberculosis-positive elk (Cervus elaphus) were performed. PPD positive cattle did not show specific histopathologic lesions in all 23 heads that were no visible lesion reactor. Slaughter cattle found with tuberculosis revealed microscopically classical granulomatous lesion (tubercle) with central caseous necrosis surrounded by mantle of epithelioid cells and Langhan's giant cells capsuled by connective tissue in lung. Elk was noted with some different lesion patterns with classical granulomatous lesion and suppurative abscesses that was composed of fibrin, degenerated cells without having connective tissue. In addition, many Langhan's giant cells infiltration in alveoli at peripheral lesion were observed in some cases of classical granulomatous lesion and suppurative abscesses.
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