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KMID : 0893420180190060725
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Journal of Veterinary Science
2018 Volume.19 No. 6 p.725 ~ p.734
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Histological classification of canine ovarian cyst types with reference to medical history
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Knauf Yvonne
Kohler Kernt
Knauf Sascha
Wehrend Axel
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Abstract
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Ovaries of 21 bitches presented with gynecopathies were surgically removed and histologically examined. Standard histological, as well as immunohistochemical, classification of 193 cystic structures resulted in the classification of 72 cysts of subsurface epithelial structures (SES), 61 follicular cysts (FCs), 38 cystic rete ovarii (CRO), 13 lutein cysts (LCs), and 9 non-classifiable cysts (NCCs). In addition to the histological classification, results were interpreted according to subject medical history, clinical examination outcome, and macroscopic observations during ovariohysterectomy. Dogs with ovarian cysts (OCs) and associated reproductive perturbations were mostly nulliparous, of large breed, and had an average of 9.5 ± 3 years. Prolonged or shortened inter-estrus intervals of past heats, however, seemed to be relatively low-risk factors for the development of OCs in dogs. Furthermore, we provide histological observations of a rarely seen canine LC including a degenerated oocyte in the central cavity.
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KEYWORD
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dogs, histology, immunohistochemistry, medical history taking, ovarian cysts
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