Peer-reviewed veterinary case report
Four dogs with anal sac gland cancer on both sides at different times
By Bowlt, K L et al.·Published in The Journal of small animal practice·2013·Centre for Small Animal Studies·View original on PubMed →
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Original publication title: Temporally separated bilateral anal sac gland carcinomas in four dogs.
- Species:
- dog
Plain-English summary
Four dogs were diagnosed with anal sac gland cancer, which is a type of tumor that can spread and is usually found in just one gland. In these cases, after the first tumor was removed, the dogs developed a second tumor in the opposite gland within 50 to 390 days. On average, the dogs lived for about 1,035 days after the first diagnosis and 807 days after the second diagnosis. This highlights the importance of monitoring for new growths even after treatment for anal sac gland cancer.
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Abstract
Anal sac gland carcinoma arising from the apocrine secretory epithelium in the anal sac wall, is locally invasive and highly metastatic. The majority of anal sac gland carcinomas are unilateral on presentation, but bilateral tumours have been identified. This case series presents the outcome of four unique cases of unilateral anal sac gland carcinoma which subsequently developed contralateral anal sac gland carcinoma 50 to 390 days after removal of the initial tumour. Median survival was 1035 days after initial diagnosis and 807 days after diagnosis of the second anal sac gland carcinoma.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/23659267/