Oral frostbite due to dry ice.

Dry ice is a commercially available cryogen that is used worldwide. It may cause frostbite if misused. However, frostbite of the oral cavity due to dry ice has not been previously reported. Here, we describe the first case of dry ice-induced frostbite of the oral cavity. We present a case of oral frostbite due to dry</a> ice and subsequent swelling of the submandibular area and lower lip. We discuss the clinical features of oral frostbite due to volatile substance abuse. Oral frostbite not only may result in the impairment of the affected mucosae directly, but also may adversely affect the tissues in the vicinity of the oral cavity floor indirectly. Oral frostbite may cause edema of the upper airway tract. In case of severe pharyngolaryngeal edema, either tracheal intubation or tracheostomy is necessary. Steroids and antibiotics may be effective in preventing the development of pharyngolaryngeal edema. It is important to bear in mind that volatile substance abuse may possibly induce unusual events. In particular, special attention should be paid to delayed unusual events.

Citation

Masafumi Ohki, Jyunichi Ishikawa, Shigeru Kikuchi. Oral frostbite due to dry ice. The Annals of otology, rhinology, and laryngology. 2012 Oct;121(10):675-7

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PMID: 23130543

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