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1.
Vet Surg ; 43(2): 182-9, 2014 Feb.
Article in English | MEDLINE | ID: mdl-24392683

ABSTRACT

OBJECTIVE: To compare survival and local recurrence outcomes in dogs with mast cell tumors with incomplete or close margins treated with primary re-excision or radiation therapy of the primary site versus no additional local therapy. STUDY DESIGN: Retrospective case series. ANIMALS: Dogs (n = 64). METHODS: Outcomes of canine mast cell tumor cases that had incomplete or close surgical resection and presented to the Ontario Veterinary College Health Sciences Centre (2001-2010) were evaluated after additional local therapy (primary re-excision or radiation therapy) or no additional local therapy (comparison). Follow-up was performed through evaluation of medical records and telephone contact with referring veterinarians and owners. RESULTS: Tumors (n = 70) in 64 dogs were studied. Median survival times for the primary re-excision (2930 days) and radiation therapy (2194 days) groups were significantly longer than for the comparison (710 days) group. Local recurrence occurred in 13% of the re-excision group, 8% of the radiation therapy group, and 38% of the comparison group. Although local recurrence rate was not statistically significant for the re-excision group, time to local recurrence was statistically longer for both the re-excision and radiation groups. Adjunctive chemotherapy was not associated with improved survival or local control. CONCLUSION/CLINICAL RELEVANCE: There is significant improvement in survival and duration of local control when additional local therapy is performed after incomplete or close resection of mast cell tumors. These follow-up therapies should be recommended to owners when mast cell tumors are incompletely or closely resected.


Subject(s)
Dog Diseases/surgery , Mastocytoma/veterinary , Neoplasm Recurrence, Local/veterinary , Animals , Dog Diseases/radiotherapy , Dogs , Female , Male , Mastocytoma/radiotherapy , Mastocytoma/surgery , Neoplasm Recurrence, Local/radiotherapy , Neoplasm Recurrence, Local/surgery , Retrospective Studies , Survival Analysis
2.
Vet Radiol Ultrasound ; 55(5): 547-51, 2014.
Article in English | MEDLINE | ID: mdl-23902413

ABSTRACT

A 5-month-old intact male Basset Hound presented for evaluation of pain and crepitation during manipulation of the temporomandibular joint, worse on the right side. A computed tomography (CT) scan of the head was performed. The CT images demonstrated the osseous features of temporomandibular joint dysplasia and facilitated a 3D reconstruction, which allowed better visualization of the dysplastic features. The patient responded to conservative management with a tape muzzle with no recurrence reported by the owner 6 months after presentation.


Subject(s)
Dog Diseases/diagnostic imaging , Temporomandibular Joint Disorders/veterinary , Animals , Dog Diseases/therapy , Dogs , Image Processing, Computer-Assisted , Male , Ontario , Temporomandibular Joint Disorders/diagnostic imaging , Temporomandibular Joint Disorders/therapy , Tomography, X-Ray Computed/veterinary , Treatment Outcome
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