tailieunhanh - Nasal granuloma in buffalo: An unusual case of actinomycosis

A 3-year-old buffalo with a history of 3 months old proliferative overgrowth in the left nostril occluding whole nostril was presented in Teaching Veterinary Clinical Complex. There was laboured breathing; however, the clinical parameters were found within normal range. The growth was removed surgically and tissue was processed for cytology and histopathology. Grossly, the cut surface of the growth appeared “creamish white with multifocal pale yellow areas of calcification.” Impression smear revealed abundant neutrophils and macrophages engulfing bacteria. Gram staining revealed gram positive branching filamentous organism. Microscopically, multiple granulomas were observed with “the presence of bacterial colonies and club-shaped product surrounded by strong neutrophilic reaction.” On the basis of clinical sign, cytology, gram staining of impression smears and histopathology, it was diagnosed as a case of actinomycosis. | Nasal granuloma in buffalo An unusual case of actinomycosis

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