Tracheal Hemangioma Causing Lung Emphysema and Pneumopericardium in a Rabbit—A Case Report

Kandefer-Gola, Małgorzata; Żebrowski, Kacper; Ciaputa, Rafał; Borawski, Wojciech; Brambilla, Eleonora; Grieco, Valeria

doi:10.3390/ani12151907

Cited by 3 publications

(2 citation statements)

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“…13 Pneumopericardium has also been reported in a rabbit and a horse. 14,15 The pathogenesis of pneumopericardium is not well understood. The main mechanisms that have been proposed for pneumopericardium formation include perforation of the pericardium secondary to pulmonary-pericardial communication resulting in air accumulation in the pericardial sac, 11 pleuropericardial communication secondary to pneumomediastinum or Macklin effect in which air from ruptured alveoli is transported to the pericardium through pulmonary vessels.…”

Section: Introductionmentioning

confidence: 99%

“…In veterinary literature, pneumopericardium has been reported as a result of peritoneopericardial diaphragmatic hernia, 5–7 thoracic trauma, 4,8 tracheal rupture after intubation, 9,10 laparoscopic ovariectomy, 3 pulmonary‐pericardial communication, 11 septic pericarditis due to oesophageal foreign body, 12 bronchopulmonary disease, 1 lung neoplasia 2 and alveolar rupture as a result of increased positive pressure in the anaesthetic circuit 13 . Pneumopericardium has also been reported in a rabbit and a horse 14,15 …”

Section: Introductionmentioning

confidence: 99%

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Pneumopericardium associated with blunt trauma in a dog

Angelou

Papazoglou

Thomas

et al. 2023

Vet Record Case Reports

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Pneumopericardium due to blunt trauma in the thorax is rarely described in veterinary literature. The pathogenetic mechanism of pneumopericardium is not always clear. In the present case, a 15‐year‐old dog was referred by the local veterinarian due to walking disability after a fall from height of 2 m. The dog was paralysed in pelvic limbs with increased spinal reflexes, compatible with thoracolumbar syndrome. Plain radiographs of the thorax revealed pneumopericardium. The dog was monitored during hospitalisation for signs of respiratory distress. It remained asymptomatic, so pericardiocentesis was not performed. Computed tomography or magnetic resonance imaging was recommended for diagnosis of the thoracolumbar syndrome, but owners declined for financial reasons. The dog was discharged 10 days after admission. The last day of hospitalisation thoracic radiographs revealed resorption of pneumopericardium. In conclusion, the aim of this study was to describe a case of incidentally found pneumopericardium that is rarely reported after a blunt trauma.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Pneumopericardium associated with blunt trauma in a dog

Angelou

Papazoglou

Thomas

et al. 2023

Vet Record Case Reports

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Tracheal hemangioma: a case report and literature review

Sadidi,

Bahrami Taqanaki,

Amirfakhrian

et al. 2023

Annals of Medicine &Amp; Surgery

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Introduction and importance: Hemangiomas are the most common vascular tumors in children. Although hemangiomas are common, they are rarely seen in areas like the trachea and larynx.The most common clinical manifestations in tracheal hemangiomas are stridor and respiratory distress. The main diagnostic method is bronchoscopy. Other imaging techniques like computed tomography scans and MRIs are also helpful. Various treatment options are now used for treating the disease, including beta blockers like propranolol, local and systemic steroids, and surgical resection. Case presentation: An 8-year-old boy with the chief complaint of severe progressive dyspnea and a history of neonatal postbreastfeeding cyanosis was admitted. On physical examination, he had tachypnea, and stridor was heard upon auscultation. There was no history of fever, chest pain, or coughing. He underwent a rigid bronchoscopy followed by a neck computed tomography scan. The results indicated a soft tissue mass with a vascular nature. An MRI of the neck confirmed the diagnosis of tracheal hemangioma. The mass was not resectable during surgery; hence, angioembolization was carried out. Treatment was successful and there was no recurrence on the follow-up. Clinical discussion: Based on the findings in this literature review tracheal hemangiomas present with stridor, progressive respiratory distress, dyspnea, hemoptysis, and chronic coughs. Advanced tracheal hemangiomas commonly do not reduce in size by themselves and need treatment. A close follow-up ranging from 3 months to 1 year is recommended. Conclusion: Although tracheal hemangiomas are rare they should be considered in the differential diagnosis of severe dyspnea and stridor.

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RATTUS (Rat Thoracic Ultrasound): diagnosis of pneumothorax in pet rats

Piskovská,

Kraszewska,

Hauptman

et al. 2024

Front. Vet. Sci.

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IntroductionRat thoracic ultrasound (RATTUS) is a non-invasive, easy-to-perform method for the evaluation of the pleural space and lungs in pet rats. The aim of the article is to present species-specific differences in the sonographic diagnosis of pneumothorax (PTX) in pet rats.MethodsIn total, 158 client-owned pet rats were examined during the period from July 2023 to January 2024. PTX was diagnosed in 20 of the examined rats (13.25%, the age of the animals ranged from 2 months to 32 months (19.08 ± 6.93 months; mean ± SD) and their body weight ranged from 97 g to 885 g (461.27 ± 138.97 g; mean ± SD). Radiographic confirmation of PTX was performed in all these 20 rats, in the control group radiography was used to confirm that PTX was not present.ResultsThe lung point and the barcode sign was found in 7/20 animals with sensitivity of 33.3% (95% CI, 0.16–0.59) and specificity of 100% (95% CI, 0.97–1.0). The abnormal curtain sign was found in 19/20 of animals with the sensitivity of 95% (95% CI, 0.73–0.99.7) and the specificity of 89% (95% CI, 0.82–0.93). The abnormalities in the substernal access were in 17/20 of animals with the sensitivity of 85% (95% CI, 0.61–0.96) and the specificity of 71% (95% CI, 0.62–0.78).DiscussionIn conclusion, RATTUS is a non-invasive method for the diagnosis of PTX in rats. Lung point and barcode sign are specific but not easily diagnosed signs. The curtain sign in RATTUS is not specific for PTX, as there are e.g. geriatric rats (rats older than 1,5 years) in which the abnormal curtain sign is visible without the presence of PTX. The presence of moderate to severe PTX can be assessed by the substernal approach based on the presence of cardiac displacement toward the collapsed lung lobe, and on evaluation of the lung inflation symmetry. This sign is not specific for PTX but in conjunction with other ultrasonic signs described makes the RATTUS a feasible tool for PTX diagnosis in rats.

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Tracheal Hemangioma Causing Lung Emphysema and Pneumopericardium in a Rabbit—A Case Report

Cited by 3 publications

References 18 publications

Pneumopericardium associated with blunt trauma in a dog

Pneumopericardium associated with blunt trauma in a dog

Tracheal hemangioma: a case report and literature review

RATTUS (Rat Thoracic Ultrasound): diagnosis of pneumothorax in pet rats

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