• Journal of Veterinary Clinics
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• v.29 no.2
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• pp.190-193
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• 2012

A 2-month-old, intact female Alaskan Malamute was presented for evaluation of dyspnea and subcutaneous emphysema of the neck following biting wound. Two small punctured skin lesions and crepitus on the neck were found during physical examination. Radiographs revealed pneumomediastinum and subcutaneous emphysema. Confirmative diagnosis of tracheal laceration was made by identifying the tracheal wall discontinuity on the computed tomography. CT is a valuable tool to diagnose an external traumatic tracheal injury, and more specifically, to assess the location and the extent of laceration, and it leads to early definitive treatment and reduction of the incidence of complications.

• Journal of Trauma and Injury
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• v.28 no.3
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• pp.206-210
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• 2015

Cervicofacial subcutaneous emphysema is a rare complication mainly resulting from dental procedures. The majority of cases are self-limiting and benign in clinical nature. However, although entry sites may be quite small and superficial, it can result in potential respiratory difficulties, such as pneumothorax and pneumomediastinum. We present the first case in which facial subcutaneous emphysema developed in a 6-year-old boy following use of a fish cake skewer while eating.

• Tuberculosis and Respiratory Diseases
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• v.69 no.5
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• pp.389-391
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• 2010

Spinal epidural emphysema is rare and has been described secondary to following medical intervention, such as lumbar puncture and epidural analgesia, pneumothorax or pneumomediastinum, degenerative disk disease, epidural abscess, and trauma. Rarely, it occurs after chest tube placement. We report a case of spinal epidural emphysema incidentally noted on HRCT after chest tube placement.

• Korean Journal of Head & Neck Oncology
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• v.27 no.1
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• pp.77-79
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• 2011

Tracheal diverticulum is very rare, that is usually an incidental finding at routine chest computed tomography scan. Differential diagnosis of tracheal diverticulum includes pharyngocele, laryngocele, Zenker diverticulum, apical lung hernia, blebs and bulla, and pneumomediastinum. Treatment options can be devided into medical and surgical. The majority of patients is asymptomatic and requires no specific intervention. We experienced one case of tracheal diverticulum in patient with tongue cancer and report it with reviews of literature.

• Journal of Yeungnam Medical Science
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• v.20 no.2
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• pp.217-222
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• 2003

Subcutaneous emphysema defines collection of air in subcutaneous spaces of body. It is usually originated from air in upper airway and lower respiratory tract such as larynx, trachea, bronchus and lungs. Air in subcutaneous spaces derives from leakage of air due to tearing or ruptures of airway structures, and also accompanies pneumothorax or pneumomediastinum and/or rib or sternal fractures or other major airway injuries. We experienced a case of subcutaneous emphysema caused by laryngeal injury without any associated airway injuries at neck from motorcycle accident, so we would report a case with the review of literatures.

• Clinical and Experimental Emergency Medicine
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• v.5 no.4
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• pp.282-285
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• 2018

The objective is to review a case of pneumoparotitis and to discuss how knowledge of this unique presentation is important when making differential diagnoses in emergency medicine. A patient with recurrent subcutaneous emphysema of the head and neck is reviewed. Stenson's duct demonstrated purulent discharge. Physical examination revealed palpable crepitance of the head and neck. Fiberoptic laryngoscopy and barium esophagram were normal. Computed tomography demonstrated left pneumoparotitis and subcutaneous emphysema from the scalp to the clavicles. This is an unusual presentation of pneumoparotitis and malingering. Emergency physicians should be aware of pneumoparotitis and its presentation when creating a differential diagnosis for pneumomediastinum, which includes more life-threatening diagnoses such as airway or esophageal injuries.

• Journal of Chest Surgery
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• v.54 no.6
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• pp.521-523
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• 2021

The increasing number of studies published on coronavirus disease 2019 (COVID-19) pneumonia has improved our knowledge of the disease itself and its complications. Despite a considerable number of publications on COVID-19 pneumonia-associated pneumothorax, no article on spontaneous hemopneumothorax has been found in the English-language literature. According to published case reports, pneumothorax generally occurs in hospitalized patients during treatment, whereas cases that arise in the late period after discharge are exceptional. Herein, we present a case of spontaneous hemopneumothorax occurring as a late complication of COVID-19 pneumonia on day 17 after discharge.

• Maxillofacial Plastic and Reconstructive Surgery
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• v.32 no.6
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• pp.597-599
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• 2010

Subcutaneous emphysema and pneumomediastium is a relatively uncommon phenomenon. Most case of pneumomediastium are caused by iatrogenic injury on the cervical region and chest during tracheostomy. It is also well known that emphysema may occur secondary to dental treatment using high-speed air turbine handpiece, but there have been few cases of emphysema extended to involving the mediastinum. These complications are reported to occur mainly in patients after dental procedures, in particular during mandibular third molar extraction. Early recognition and conservative treatment of these problems is essential in preventing life-threatening complications such as airway obstruction, mediastinitis, pneumothorax and cardiac failure. As we report a case of 25-year-old woman with subcutaneous emphysema and pneumomediastium after mandibular third molar extraction using high-speed air turbine handpiece.

• Journal of Chest Surgery
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• v.8 no.2
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• pp.119-124
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• 1975

This is a case report of the rupture of the trachea and the esophagus following external blunt trauma without any associated injury. A 7 year old male patient was brought to the emergency room. Hanyang University Hospital, on 23 Jul, 1974 while he played under the pile of pingpong table A table was fall down over the patient accidentally. The patient was injured by the table and found lying in unconsciousness on the ground.There was subcutaneous emphysema on his anterior chest and neck. A contusion on the upper part of the sternum was noted. The breathing sound were diminished over the left side of the chest. Ronchi were heard over the right lung field. This patient was suffered from vomiting, dypsnea, and irritable mental state after this accident. On the chest roentgenogram in A-P view, hyperlucency at the mediastinum and parapericardiac area suggested the pneumomediastinum. On the next day, a diagnosis of the tracheal and esophageal rupture was confirmed by the esophagogram with Lipiodol swallowing. A right thoracotomy was performed and ruptured orifice of the trachea and the esophagus were closed with interrupted sutures. Postoperative course was uneventful and primary closure of the rupture of the trachea and the esophagus were succeeded.

• Journal of Chest Surgery
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• v.31 no.10
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• pp.1014-1016
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• 1998

Rupture of the bronchus following endotracheal intubation with a double-lumen tube is extremely rare in all complications of endotracheal intubation. We experienced a case of left main bronchial rupture following endotracheal intubation. This 58-year old female patient was diagnosed of well-differentiated adenocarcinoma of right lower lobe, stage IIB, preoperatively. She was intubated with Robertshaw double-lumen tube(35 Fr.) for Rt. lower lobectomy. Intraoperatively, Lt. main bronchial rupture was suspected because of pneumomediastinum and ventilation insufficiency and immediately repaired with monofilament absorbable sutures(PDS) through left thoracotomy. Postoperative course was uneventful.