Peer-reviewed veterinary case report
Types of mammary gland tumors in dogs in Sri Lanka over one year
By Harsha Ariyarathna et al.·Published in Veterinary Sciences·2018·School of Veterinary Science, Massey University, Palmerston North 4442, New Zealand, CH·View original on DOAJ →
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Original publication title: Clinicopathological Diversity of Canine Mammary Gland Tumors in Sri Lanka: A One-Year Survey on Cases Presented to Two Veterinary Practices
- Species:
- dog
Plain-English summary
A group of 74 dogs in Sri Lanka were diagnosed with mammary gland tumors, which are common in female dogs. Most of these tumors were found to be malignant, with many being larger than 3 cm and located in the inguinal (groin) area. The average age of the dogs at diagnosis was around 8 years, and many of the affected dogs had never had puppies. The study highlights the importance of recognizing the signs of mammary tumors in dogs, as early detection can lead to better treatment outcomes.
People also search for: dog mammary tumor symptoms · female dog breast cancer treatment · signs of mammary tumors in dogs
Abstract
Mammary gland tumors (MGTs) are one of the most common neoplasms among dogs in Sri Lanka. However, the clinicopathological diversity of MGTs in Sri Lanka is largely unknown, impeding accurate diagnosis and effective treatment of the disease. The present study investigated the clinicopathological features of MGTs in 74 dogs presented to two veterinary practices in Sri Lanka treated surgically, over a one-year period. Information regarding the patient signalment, clinical presentation, and reproductive history were collected, and each neoplasm was examined histologically. Forty-one (54.4%) dogs were primarily presented for mammary neoplasia, while a MGT was an incidental finding in 33 (44.6%) dogs. The majority of tumors were histologically malignant (n = 65, 87.8%), and 18 malignant tumor sub-types were identified. A significantly higher proportion of malignant tumors were large (>3 cm diameter) and observed in inguinal mammary glands. Nulliparous (n = 42, 55.3%) dogs predominated in the group, and the mean age of MGT diagnosis was 8.0 ± 2.41 years. The present study identified tumor location and size to be predictive of malignancy. A high histological diversity of MGTs was observed. Overall, the present findings emphasize the necessity of improving awareness of MGTs among Sri Lankan clinicians as well as dog owners.
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Search related cases →Original publication on DOAJ: https://doi.org/10.3390/vetsci5020046