Eosinophilic granulomas in two dogs
2011
Kim, J.H., Jeju National University, Jeju, Republic of Korea | Jung, J.Y., Jeju National University, Jeju, Republic of Korea | Kang, S.C., Jeju National University, Jeju, Republic of Korea | Lee, Y.R., Gangnam Animal Medical Center, Busan, Republic of Korea | Lee, J.Y., Cats and Dogs Animal Clinic, Seoul, Republic of Korea | Hwang, E.K., Sangji University, Wonju, Republic of Korea | Woo, G.H., Semyung University, Jecheon, Republic of Korea | Kim, J.H., Jeju National University, Jeju, Republic of Korea
Eosinophilic granuloma is a common hypersensitive inflammatory skin disease in cats, and rare in dogs and horses. The skin biopsies of 5 years old female Cocker spaniel and 2 years old female mixed dog had the clinical signs of skin nodules with alopecia were submitted for diagnosis. Solitary skin nodules and papillary nodules were presented on the left external ear and back of Cocker spaniel and on the external ear of mixed dog, respectively. Histopathologically, epidermis of skin showed mild to severe hyperplasia with multifocal ulceration. Small to large irregular, brightly eosinophilic foci with degenerating eosinophils and homogeneous degenerated collagens were existed in the dermis of both ear and back skin. Typical 'flame figures', a mixture of degenerated collagen and degranulated eosinophils, were observed in both cases. Based on the histopathologic findings and special staining characters, 2 cases were diagnosed as canine eosinophilic granuloma. This is the first report for the eosinophilic granuloma of dogs in Korea.
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