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emanating from or pertaining to mycobacterium.
opportunist mycobacterial granuloma
a chronic infection of the skin and subcutaneous tissue, caused by saprophytic mycobacteria, usually as a result of wound contamination. Seen most commonly in cats, particularly in the inguinal region, the lesion may be extensive with ulceration and draining fistulas. Called also pyogranulomatous panniculitis.