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1.
J Am Vet Med Assoc ; 258(2): 192-196, 2021 Jan 15.
Artigo em Inglês | MEDLINE | ID: mdl-33405980

RESUMO

CASE DESCRIPTION: A 7-year-old sexually intact female rabbit was admitted to the hospital because of a 6-month history of chronic right pelvic limb lameness. CLINICAL FINDINGS: Clinical examination revealed a prominent right pelvic limb lameness and signs of pain on manipulation of the right hip joint, with a focal, well-defined soft tissue mass palpable in the right pelvic area. Pelvic radiography revealed a lytic hip joint lesion and CT detailed an expansile lesion within the proximal portion of the femur with an appearance consistent with a soft tissue mass. Histologic evaluation of incisional biopsy samples of the soft tissue mass revealed a poorly differentiated sarcoma. TREATMENT AND OUTCOME: A hemipelvectomy was performed, and histologic evaluation of the soft tissue mass confirmed the diagnosis, with tumor-free margins achieved. The patient recovered well from surgery and had good mobility. The patient survived 21 months after surgery and died of a non-cancer-related disease. Anatomic dissection was described in a cadaver rabbit to aid future surgeries. CLINICAL RELEVANCE: To the authors' knowledge, this was the first report of a hemipelvectomy performed in a rabbit. Hemipelvectomy is more routinely performed in canine and feline patients, but with the right candidate and owner commitment to aftercare, it may be safely and successfully performed in rabbits.


Assuntos
Hemipelvectomia , Sarcoma , Animais , Feminino , Fêmur/cirurgia , Hemipelvectomia/veterinária , Coelhos , Sarcoma/cirurgia , Sarcoma/veterinária
2.
Vet Surg ; 48(2): 180-185, 2019 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-30422355

RESUMO

OBJECTIVE: To evaluate the influence of osteoarthritis on the measurement of patella tendon angle (PTA) and determine intraobserver and interobserver variability. STUDY DESIGN: Retrospective clinical study. SAMPLE POPULATION: Eighty-seven mediolateral radiographs that were obtained prior to tibial tuberosity advancement. METHODS: Radiographic osteoarthritis was scored by 2 observers using guidelines derived from the International Elbow Working Group Protocol. Patella tendon angle was measured by 3 observers on 3 occasions, with at least 7 days between measurements. The data were statistically analyzed via weighted κ and Kruskal-Wallis testing. RESULTS: A fair strength of agreement was found among observers scoring osteoarthritis, with the same grades in 48% of radiographs. The intraobserver average bias between PTA measurements 1 and 3 ranged from -0.38° to -0.94°. Interobserver bias in angle measurement ranged from -0.92° to -2.00°. Observer 1 had the narrowest range of PTA differences (12.1°), and observer 3 had the highest range of PTA differences (23.5°). Observer 2 had the lowest mean bias (-0.38°). The mean bias was lowest between observers 1 and 2 (-0.92°) and highest between observers 1 and 3 (-2.0°). The mean intraobserver standard deviation of the PTA measurement differences was 2.90°, and interobserver standard deviation of the PTA measurement differences was 2.26°. The degree of osteoarthritis did not influence PTA measurements or their variability. CONCLUSION: The current study did not find evidence of an influence of osteoarthritis on PTA or on the repeatability of measurements. CLINICAL SIGNIFICANCE: Our findings suggest that osteoarthritis should not affect the radiographic planning for tibial tuberosity advancement surgery. The high variances in PTA measurement in less experienced observers may influence the clinical outcome of surgery.


Assuntos
Cães/anatomia & histologia , Ligamento Patelar/anatomia & histologia , Joelho de Quadrúpedes/anatomia & histologia , Animais , Humanos , Variações Dependentes do Observador , Osteoartrite/patologia , Osteoartrite/cirurgia , Osteoartrite/veterinária , Osteotomia/veterinária , Ligamento Patelar/cirurgia , Radiografia , Reprodutibilidade dos Testes , Estudos Retrospectivos , Joelho de Quadrúpedes/cirurgia , Tíbia/cirurgia
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