• 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 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.

• Journal of Chest Surgery
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• v.46 no.5
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• pp.383-387
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• 2013

Vacuum-assisted closure therapy is an alternative method for a massive subcutaneous emphysema treatment. It is easily applicable and shows rapid effectiveness in massive subcutaneous emphysema, intractable with chest tube drainage.

• Restorative Dentistry and Endodontics
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• v.36 no.6
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• pp.506-509
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• 2011

The development of subcutaneous emphysema is a well-known complication that has been reported after dental extraction, endodontic treatment, or restorative preparation. Gaseous invasion, leading to swelling, crepitus on palpation, is commonly restricted to the connective tisssues immediately adjacent to the entry site. However, the use of compressed air- and water-cooled turbines may allow large amounts of air and water to be driven through the fascial planes into the mediastinum, pleural space, or even the retroperitoneum. This case report is about the patient who presented with subcutaneous emphysema that occurred after fracture line inspection. Possible cause, treatment, and prevention of emphysema will be discussed.

• Korean Journal of Bronchoesophagology
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• v.10 no.2
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• pp.58-62
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• 2004

Spontaneous rupture of the pulmonary alveoli after a sudden increase intra-alveolar pressure is a common cause of pneumomediastinum, which is usually seen in healthy young men. Other common causes are traumatic and iatrogenic rupture of the airway and esophagus; however, pneumomediastinum following cervicofacial emphysema is much rarer and is occasionally found after dental surgical procedures, head and neck surgery, or accidental trauma. We present two cases of pneumomediastinum following cervicofacial subcutaneous emphysema after oral trauma. They constitute an uncommon clinical entity, So its radiologic appearance, clinical presentation, and diagnosis are described.

• Tuberculosis and Respiratory Diseases
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• v.51 no.3
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• pp.275-280
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• 2001

Background : A 18 year-old man presented with dyspnea and a swelling of the neck. On physical examination, maculopapular rashes were noted on the face and the whole body and crepitus was noted at the thorax and upper arms. His chest X -ray showed bilateral interstitial infiltrates of the lung, pneumomediastinum and subcutaneous emphysema. On serologic examination, measles IgM was positive. Under the diagnosis of measles pneumonia, the patient was treated with oral ribavirin, which resulted in a complete resolution of the pneumomediastinum, subcutaneous emphysema, pneumonic infiltrate, and subjective symptoms of dyspnea and swelling of the neck in 7 days. Here we report this case with a brief review of the relevant literature.

• Tuberculosis and Respiratory Diseases
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• v.64 no.2
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• pp.138-143
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• 2008

Pneumatosis intestinalis or spontaneous pneumomediastinum are rarely associated with nonspecific interstitial pneumonia (NSIP). However, the development of both conditions in the same patient simultaneously has not been reported previously. A 56-year-old man with NSIP developed spontaneous pneumomediastinum accompanied by subcutaneous emphysema and pneumatosis intestinalis after the treatment with intravenous high dose steroid. The development of spontaneous pneumomediastinum, subcutaneous emphysema and pneumatosis intestinalis in this patient was possibly due to the factors such as NSIP, high dose steroid therapy and subclinical dermatomyositis. Treatment with corticosteroid and cyclosporin gradually improved his exacerbated NSIP and pneumomediastinum, subcutaneous emphysema, pneumatosis intestinalis.

• Journal of Veterinary Clinics
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• v.28 no.5
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• pp.519-521
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• 2011

A 1-year-old Goffin cockatoo (Cacatua goffini) presented a soft non-painful and balloon-like mass around the cervical area. Subcutaneous emphysema due to cervicocephalic air sac trauma was diagnosed based on history and physical examination, and was confirmed by radiographic examination. Because the cutaneous tab was unsuccessful, a modified syringe stent was carried out. The bird showed no adverse signs for two weeks after implantation. After surgical removal of the stent, the bird did not reveal subcutaneous emphysema.

• Clinical and Experimental Pediatrics
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• v.50 no.8
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• pp.785-788
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• 2007

Epidural emphysema and pneumoscrotum with subcutaneous emphysema are rare in a child past the neonatal period. Their most common causes are bronchial asthma and respiratory infection. Here, we report an 18-month-old boy who was presented with severe air leak, consisting of epidural emphysema, pneumoscrotum, subcutaneous emphysema, and pneumomediastinum, complicated by a bronchial foreign body. The air leak was resolved dramatically after removing the foreign body.

• 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.