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09 January 2023 : Case report  Puerto Rico

[In Press] Incidental Tracheocele as an Unusual Presentation of Pneumomediastinum in the Trauma Setting

Challenging differential diagnosis, Diagnostic / therapeutic accidents, Management of emergency care, Rare disease, Educational Purpose (only if useful for a systematic review or synthesis)

Soraya Abdul-Hadi Martinez1EF, Coral A. Ruiz-Mojica ORCID logo1E, Gabriel Rivera-Rivera1AE, Giovanni Perez-Ortiz1F, Jeamarie Pascual Marrero1E, Paulette Pacheco Lopez1E

DOI: 10.12659/AJCR.937916

Am J Case Rep In Press; DOI: 10.12659/AJCR.937916  

Available online: 2023-01-09, In Press, Corrected Proof

Publication in the "In-Press" formula aims at speeding up the public availability of the pending manuscript while waiting for the final publication. The assigned DOI number is active and citable. The availability of the article in the Medline, PubMed and PMC databases as well as Web of Science will be obtained after the final publication according to the journal schedule


Tracheocele are rarely encountered air cysts formed due to tracheal wall outpouching through a weak vantage point. The majority are acquired in the adult population and are associated with conditions that weaken the tracheal wall. Most tracheoceles are diagnosed incidentally since many are asymptomatic or present with nonspecific symptoms. Multidetector computed tomography (MDCT) scans are the most common imaging modality for diagnosis of silent tracheal cysts. Tracheocele have been very rarely documented in the trauma setting; therefore, in the setting of multiple body trauma diagnosis can be challenging.
We report a case of an acquired tracheocele after a high-impact blunt thoracic trauma with an admission diagnosis of suspected tracheal perforation. MDCT of the neck and chest demonstrated an irregularly multicystic-shaped air collection at the right posterolateral trachea upon evaluation. Flexible laryngoscopy and bronchoscopy results were unremarkable.
Tracheocele are rare and asymptomatic pseudo-diverticulum of the tracheal wall. Many are diagnosed incidentally with imaging studies for other conditions. Nevertheless, in the trauma setting its diagnosis can be challenging and misleading. Consideration of conditions such as tracheocele is important to prevent any unwarranted treatment modalities.

Keywords: Mediastinal Cyst; Multiple Trauma; Radiology; Trachea

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American Journal of Case Reports eISSN: 1941-5923
American Journal of Case Reports eISSN: 1941-5923