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Apocrine sweat gland adenocarcinoma in a cat
2009
Park, M.H., Jeju National University, Jeju, Republic of Korea | Jung, J.Y., Jeju National University, Jeju, Republic of Korea | Jo, S.H., Jeju National University, Jeju, Republic of Korea | Kim, J.H., Jeju National University, Jeju, Republic of Korea | Lee, J.Y., Cats and Dogs Animal Clinic, Seoul, Republic of Korea | Lee, M.K., Cats and Dogs Animal Clinic, Seoul, Republic of Korea | Kim, J.H., Jeju National University, Jeju, Republic of Korea
A 11-year-old female mixed cat with subcutaneous mass around the left 5th mammary glands was presented to local animal hospital. According to history taking, the mass recurred 2 times on the same site of abdomen. After surgical excision, subcutaneous mass was referred to Pathology Department of Veterinary Medicine in the Jeju National University. Grossly, round to oval, milky yellow or pale red nodules, measuring 0.1~1 cm in diameter, were occupied in the subcutis. Microscopically, the most neoplastic sweat glands were proliferated in the dermis and subcutis. Most tubules were lined by round to oval shaped epithelium with eosinophilic cytoplasm, hyperchromatic nuclei with high mitotic figures and severe central necrosis. The neoplastic epithelium also had periodic acid-Schiff-positive diastase-resistant cytoplasmic granules, but was negative for Perl's iron stain. Based on the gross, histopathologic and special staining, this cat was diagnosed as apocrine sweat gland adenocarcinoma. In our best knowledge, this is the first report of apocrine sweat gland adenocarcinoma around abdominal mammary gland in a cat.
Показать больше [+] Меньше [-]Toxoplasmic meningoencephalitis in a stray cat in Korea
2009
Kim, H.Y., National Veterinary Research and Quarantine Service, Anyang, Republic of Korea | Bae, Y.C., National Veterinary Research and Quarantine Service, Anyang, Republic of Korea | Woo, G.H., National Veterinary Research and Quarantine Service, Anyang, Republic of Korea | Byun, J.W., National Veterinary Research and Quarantine Service, Anyang, Republic of Korea | Jung, B.Y., National Veterinary Research and Quarantine Service, Anyang, Republic of Korea | Park, J.W., National Veterinary Research and Quarantine Service, Anyang, Republic of Korea | Chae, H.S., Research Institute of Public Health and Environment, Gwacheon, Republic of Korea | Choi, J.Y., Korean Veterinary Medical Association, Seongnam, Republic of Korea | Nakayama, Hiroyuki, The University of Tokyo, Tokyo, Japan | Hwang, E.K., Sangji University, Wonju, Republic of Korea | Joo, Y.S., National Veterinary Research and Quarantine Service, Anyang, Republic of Korea | Lee, O.S., National Veterinary Research and Quarantine Service, Anyang, Republic of Korea
A dead stray cat was necropsied for zoonotic feline disease monitoring. Grossly, there were no specific lesions. Major microscopic lesions included lymphocytic meningoencephalitis, malacia, and tissue cysts in the cerebral and cerebellar cortex. The size and shape of tissue cysts were identical to those of Apicomplexa including Toxoplasma (T.) gondii. Bradyzoites in the tissue cyst were strongly positive for T. gondii by immunohistochemistry. Electron microscopy revealed that bradyzoites within the tissue cyst were similar to the morphological features of T. gondii. Fresh tissue samples were examined by a polymerase chain reaction assay and resulted in a specific band of T. gondii only in the brain. Based on the results, this case was diagnosed as toxoplasmosis. This is the first case of toxoplasmic meningoencephalitis in a cat in Korea.
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