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OJVRTM
Online Journal of
Veterinary Research©
(Including Medical and Laboratory Research)
Established 1994
ISSN 1328-925X
26 (9): 717-724, 2022.
Cytology of canine leproid granuloma in a Rottweiler.
Zahra Nikousefat1, Mohammad
Hashemnia2*, Moosa Javdani3
Department
of 1Clinical Sciences and 2Pathobiology, School of
Veterinary Medicine, Razi University, Kermanshah, 3Department
of Veterinary Surgery and Radiology, Faculty of Veterinary Medicine, Shahrekord University, Shahrekord,
Iran
ABSTRACT
Nikousefat Z, Hashemnia
M, Javdani M., Cytology of leprosy granuloma in a Rotweiler, Onl J Vet Res., (9): 717-724, 2022. A
3-year-old male Rottweiler with non-responsive multiple ulcerated and alopecic nodules
on skin of face and back were aspirated for biopsies and microscopy. We
observed numerous macrophages with variable lymphocytes, plasma cells and fewer
neutrophils. Within macrophages we detected medium length bacilli.
Histologically, the lesions were chiefly pyogranulomatous within the dermis.
Pyogranulomas were composed chiefly of macrophages, epitheloid
cells, neutrophils, and fewer
lymphocytes or plasma cells and
rare giant cells. A large number of acid-fast bacilli were found within the cytoplasm of many macrophages by Ziehl-Neelsen
stain but could not be cultivated in vitro. A diagnosis of canine
leproid granuloma was made based on findings.
Key words: Canine leproid
granulomas, mycobacteria, pyogranulomas, acid fast bacilli.
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