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A case of cervicofacial actinomycosis in a cross bred cow Singh N.D.1, Thakur Nitika1, Banga H.S.1 1Department of Veterinary Pathology, College of Veterinary Science, Guru Angad Dev veterinary and Animal Sciences University, Ludhiana, Punjab, India *Corresponding author: e-mail: drndsingh@gmail.com
Abstract The present study reported a case of cervico-facial actinomycosis in a 3 years old crossbred jersey cow. Postmortem examination revealed solid ulcerated overgrowth at the intermandibular region. The growth had blocked the oral cavity which led to difficulty in prehension of feed by the animal. Grossly, 18–20 cm solid dark colored bony outgrowth with creamish cut surface was seen. Microscopically, multiple granulomatous lesions characterized by Splendore-Hoeppli reaction with dense neutrophilic infiltration were observed, suggestive of a case of actinomycosis (lumpy jaw). Top Keywords Actinomycosis, Granulomatous lesion, Jersey, Crossbred, Cow, Splendore-Hoeppli reaction. Top | Figures | Fig. 1.: A round to circular, reddish ulcerated hard growth in the intermandibular region (Arrow) without any discharge through the skin. Note the presence of small wound beside the growth (arrowhead)
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| | Fig. 2.: Oral cavity showing 18–20 cm diameter of round to oval hard encapsulated bony swelling completely obstructing the oral cavity (arrow)
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| | Fig. 3.: Photomicrograph showing mixed granulomatous inflammation comprising of fibrous tissue proliferation, dense neutrophillic infiltration, macrophages epithelioid cells around club-like radiating projections called Splendore-Hoeplli material and multiple basophilic clumps of bacteria. H&E, Bar=100μm
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| | Fig. 4.: Note club-like radiating Splendore-Hoeplli material and basophilic clumps of bacteria surrounded by mixed inflammatory cells comprising of neutrophils, macrophages and epithelioid cells. H&E, Bar=100μm.
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| | Fig. 5.: Photomicrograph depicting purple radiating gram positive bacteria.Gram‘s stain, Bar=100μm
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