Abstract
Risk for<i>Mycobacterium celatum</i>Infection from Ferret
Highlights
To the Editor: Mycobacterium celatum belongs to the group called “mycobacteria other than tuberculosis”; it is characterized by slow growth and a slender, rodshaped form (0.25–0.5 × 0.5–13.0 μm)
Several acid-fast bacilli were visible with Ziehl-Neelsen staining, mainly intracytoplasmically in epithelioid cells (Figure, panel B)
Conventional mycobacterial culture and PCR were used to look for mycobacteria in the lung, spleen, and lymph nodes
Summary
To the Editor: Mycobacterium celatum belongs to the group called “mycobacteria other than tuberculosis”; it is characterized by slow growth and a slender, rodshaped form (0.25–0.5 × 0.5–13.0 μm). 1 case of M. celatum infection in a ferret has been described [3]. We describe another case in a ferret, with possible transmission to a human. Histologic examination of lung, lymph nodes, spleen, liver, and brain showed granulomatous inflammation with predominantly macrophages, epithelioid cells (in the lung, including bronchioles), and some multinucleated giant cells. Several acid-fast bacilli were visible with Ziehl-Neelsen staining, mainly intracytoplasmically in epithelioid cells (including those of bronchioles) (Figure, panel B). Conventional mycobacterial culture and PCR were used to look for mycobacteria in the lung, spleen, and lymph nodes. Appearance of tissue from 3-year-old, neutered male, domestic ferret with Mycobacterium celatum infection. Slender, rod-shaped, acid-fast bacilli in the cytoplasm of epithelioid cells; Ziehl-Neelsen staining, original magnification x400.
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