Tracheal obstruction due to a nodular hyperplastic tracheitis in a dog

Rick, A. De; Bree, H. van; Hoorens, J.; Mattheeuws, D.

doi:10.1111/j.1748-5827.1977.tb05915.x

Cited by 6 publications

(13 citation statements)

References 3 publications

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“…9 However, histologically the nodules consisted of fibrous granulation tissue admixed with few neutrophils and covered by pseudostratified epithelium. 9 Kelly 11 described a case of tracheal papillomatosis in which multiple mucosal nodules were identified, but localised to the bifurcation of the trachea and entrance of the main bronchi. Histopathology of the tracheal nodules was consistent with papillomas similar to those seen in canine oral papillomatosis of viral origin.…”

Section: Discussionmentioning

confidence: 97%

“…1 3 6 14 15 Nodular hyperplastic tracheitis, amyloidosis, tracheal papillomatosis and tracheobronchopathia osteochondroplastica have also been rarely described as a cause of nodular tracheal lesions in dogs. [9][10][11][12] The presence of tracheal granulomas is commonly described in the veterinary literature and it is often a consequence of chronic tracheal inflammation. [14][15][16] The development of granulation tissue within the tracheal lumen has been described in up to 33 per cent of dogs with tracheal collapse following stent placement.…”

Section: Discussionmentioning

confidence: 99%

“…One dog diagnosed with hyperplastic tracheitis also had multiple tracheal nodules causing a narrowing of the tracheal lumen 9. However, histologically the nodules consisted of fibrous granulation tissue admixed with few neutrophils and covered by pseudostratified epithelium 9. Kelly11 described a case of tracheal papillomatosis in which multiple mucosal nodules were identified, but localised to the bifurcation of the trachea and entrance of the main bronchi.…”

Section: Discussionmentioning

confidence: 99%

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Complete resolution of diffuse inflammatory tracheal stenosis in a dog

Costa

Palma

Dennis

et al. 2020

Vet Record Case Reports

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A four-year-old female entire Weimaraner, recently diagnosed with epilepsy, was referred with a three-week history of coughing and lethargy. The dog had been diagnosed with aspiration pneumonia on thoracic radiographs, but the cough continued despite antibiotic therapy and an apparent improvement in the radiographic lung changes. CT of the thorax revealed a diffuse and severe nodular thickening of the tracheal wall. Tracheoscopy showed a thickened and irregular mucosa with multiple nodules causing segmental stenosis of the trachea. Histopathology of the nodular tracheal mucosa demonstrated severe, multifocal to diffuse neutrophilic inflammation. Once infectious and neoplastic causes were excluded, the dog was diagnosed with an inflammatory tracheitis of unknown aetiology. A tapering course of glucocorticoids was prescribed, which led to a complete clinical and endoscopic resolution of the coughing and tracheal lesions, respectively.

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Section: Discussionmentioning

confidence: 97%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Complete resolution of diffuse inflammatory tracheal stenosis in a dog

Costa

Palma

Dennis

et al. 2020

Vet Record Case Reports

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“…[12][13][14][15] Nodular epithelial hyperplasia also has been described in association with chronic tracheitis. 16 Treatment of TO in people is not indicated unless nodules are causing airway obstruction, in which case endoscopic removal or laser therapy is often performed. Treatment of other accompanying diseases often is appropriate.…”

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confidence: 99%

Tracheobronchopathia Osteochondroplastica in a Dog

et al. 2004

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A 9-year-old spayed female West Highland White Terrier was referred to the Washington State University (Pullman, WA) Veterinary Teaching Hospital (WSU-VTH) for evaluation of a suspected tracheal mass. For most of her life, the dog had experienced periodic respiratory difficulty, primarily inspiratory, after exercise. An increased frequency of episodes of respiratory difficulty was reported in the 6 months before examination at the WSU-VTH. Neither coughing nor other clinical signs suggestive of respiratory disease were observed between episodes of respiratory difficulty. Thoracic radiographs obtained by the referring veterinarian approximately 6 months before examination at the WSU-VTH were consistent with focal tracheal thickening.Additional history offered no clues to the origin of the dog's respiratory signs. The dog had been obtained as a puppy from Missouri and had traveled to Wisconsin between 6 and 7 years before examination at the WSU-VTH, but she had no other travel history since that time. Prior treatments included amoxicillin for suspected lower urinary tract infection 3 months before referral, diethylstilbesterol (dose not specified) for urinary incontinence, and methionine for urine acidification. None of these treatments changed the character of the respiratory signs.On physical examination, the dog was overweight. Temperature, pulse rate, and respiratory rate were normal, as was the dog's respiratory pattern. A cough could not be induced with tracheal palpation, and breath sounds were normal. The rest of the physical examination, except for a missing upper left 1st incisor tooth, was normal.The only abnormal result on CBC and biochemistry was mild neutrophilia (10,248/ L; reference range, 3,000-7,100/ L); a urine sample could not be obtained. On thoracic radiographs, narrowing of the trachea on the lateral view and possibly a mass in the ventral trachea at the 1st rib were observed (Fig 1). During bronchoscopy, tracheal collapse and numerous white-to-yellowish nodules were noted on the ventral and lateral walls of the trachea, typically associated with tracheal rings (Fig 2), and in the lobar bronchi. A discrete mass was not seen. The nodules were hard, did not move with pressure from the tip of the endoscope or a biopsy forceps, and appeared to be covered with mucosa. Most nodules were less than 3 mm in diameter, as gauged from the diameter of the biopsy forceps.

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“…canine mast cell tumor, T-cell lymphoma), parasitic granulomas, abscesses due to a foreign body, inflammatory mucosal polyps and trauma usually cause nodular lesions in the dog, resulting in tracheal obstruction (Beck et al 1999;Clifford & Sorenmo 2004;Sherding 2004). Hyperplastic tracheal nodules of unknown origin (De Rick et al 1977) or related to amyloidosis (Besancon et al 2004) have also been reported. The magnitude of clinical signs correlates with the severity of tracheal obstruction.…”

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confidence: 99%