Peer-reviewed veterinary case report
Thoracoscopic removal of chest masses in dogs has good outcomes
By Carroll, Kenneth A et al.·Published in Journal of the American Veterinary Medical Association·2024·School of Veterinary Medicine, United States·View original on PubMed →
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Original publication title: Thoracoscopic removal of cranial mediastinal masses in dogs is associated with a low conversion rate, excellent survival to discharge, and good long-term outcome.
- Species:
- dog
Plain-English summary
A group of 49 dogs underwent a minimally invasive surgery to remove masses from their chest area, with most of the masses being thymomas (a type of tumor). The surgery had a low rate of complications and only a few dogs needed to switch to a more invasive procedure. Dogs that had the surgery generally had a good chance of surviving for a long time afterward, with an average survival time of over three years for those with thymomas. This type of surgery is a viable option for dogs with these types of masses, especially if they are otherwise healthy.
People also search for: dog chest mass surgery · thymoma in dogs treatment · dog survival after mediastinal mass removal
Abstract
OBJECTIVE: To report the complications and outcomes associated with thoracoscopic cranial mediastinal mass resection in dogs. ANIMALS: 49 client-owned dogs that underwent thoracoscopic cranial mediastinal mass removal. METHODS: This was a retrospective cohort study (January 1, 2014, to July 31, 2023), and the medical records of 49 client-owned dogs that underwent thoracoscopic cranial mediastinal mass removal were reviewed. The signalment, history, clinicopathologic features, perioperative complications, and long-term outcome were recorded. RESULTS: Preoperative myasthenia gravis (MG) and megaesophagus (ME) were identified in 17 of 49 (35%) dogs and 11 of 49 (22%) dogs, respectively. The median maximal tumor diameter on CT images was 4.7 cm (range, 2.7 to 8.5 cm). Nonemergent conversion to an open procedure was necessary in 4 of 49 (8%) dogs, and dogs with conversion to an open procedure had a significantly larger median maximal CT tumor diameter than dogs without conversion (P = .03). The most common tumor type was thymoma (37/49 [76%]). The overall median survival time for dogs with thymoma was 1,102 days (95% CI, 482 to upper bound not reached). The median survival time for dogs with thymoma and concurrent presurgical MG was 182 days (95% CI, 14 to upper bound not reached). Presurgical diagnosis of MG (P = .44) or ME (P = .69) was not associated with survival time. CLINICAL RELEVANCE: Thoracoscopic removal of cranial mediastinal masses was associated with low conversion and complication rates. Long-term survival is possible, and thoracoscopic removal should be considered for select cases.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/39019052/