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. 2018 Oct 26:263–285. doi: 10.1016/B978-0-12-805306-5.00010-9

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Figure 10.16 — Mycobacterium bovis pneumonia in an African lion.

(A) The lungs contain multiple distinct granulomas and other more diffuse areas of granulomatous inflammation. (Photo Courtesy of Lin-Marie de Klerk-Lorist, South African Department of Agriculture, Forestry, and Fisheries) (B) Characteristic granulomatous inflammation with aggregates of epithelioid macrophages, fewer lymphocytes and plasma cells. (C) Rare, intracellular, acid fast bacilli (arrow) are present within lesions, typical of Mycobacterium tuberculosis complex infections. Ziehl-Neelsen.