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1.
J Am Anim Hosp Assoc ; 58(6): 283-287, 2022 Nov 01.
Artigo em Inglês | MEDLINE | ID: mdl-36315861

RESUMO

A 2 yr old castrated male shih tzu was presented for assessment of worsening chronic snoring since first detected at 3 mo of age. An upper respiratory endoscopic examination and a computed tomographic scan showed a well-circumscribed, fluid-filled nasopharyngeal mass located in the median plane on the nasal side of the soft palate. This lesion was removed using a ventral approach to the nasopharynx by blunt-sharp dissection from the submucosal tissues of the soft palate. Histopathology revealed a cystic lesion lined by a single layer of a pseudostratified columnar ciliated epithelium, characteristic of a pharyngeal cyst. Follow-up 5 mo after surgery revealed complete resolution of the clinical signs with no evidence of local recurrence. Pharyngeal cysts are developmental abnormalities of the branchial apparatus. Most derive from the second branchial arch and cause cysts, sinuses, and fistulae to develop in the neck region. In our case, the lesion was located in the nasopharynx, leading to snoring and exercise intolerance. This condition should be included in the differential diagnosis of suspected nasopharyngeal obstruction.


Assuntos
Branquioma , Doenças do Cão , Masculino , Cães , Animais , Branquioma/diagnóstico , Branquioma/patologia , Branquioma/veterinária , Região Branquial/patologia , Ronco/veterinária , Doenças do Cão/diagnóstico por imagem , Doenças do Cão/cirurgia , Nasofaringe/cirurgia , Nasofaringe/patologia
4.
Am J Vet Res ; 47(10): 2200-4, 1986 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-3777646

RESUMO

The pattern of breathing was assessed in 19 brachycephalic dogs, using tidal breathing flow-volume loop (TBFVL) analysis. Fifteen dogs had TBFVL consistent with a fixed-type upper airway obstruction, whereas 4 dogs had a TBFVL indicative of a nonfixed upper airway obstruction. The dogs did not have a TBFVL shape the same as that considered normal for healthy nonbrachycephalic dogs. Tidal breathing flow-volume loops from brachycephalic dogs that were considered to have a normal respiratory tract (n = 11) were similar to those of dogs with clinical signs of upper airway obstruction (n = 8). Respiration was monitored continuously for short periods (20 to 50 minutes) in 3 brachycephalic dogs resting in a cage in a quiet, darkened laboratory; 2 of these dogs had periodic breathing patterns characterized by multiple episodes of alternating hypopnea and arousal. Brachycephalic dogs may be at risk for the development of disordered breathing during sleep.


Assuntos
Obstrução das Vias Respiratórias/veterinária , Doenças do Cão/fisiopatologia , Ossos Faciais/anormalidades , Respiração , Obstrução das Vias Respiratórias/fisiopatologia , Animais , Cães , Feminino , Masculino , Sono , Ronco/fisiopatologia , Ronco/veterinária
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