Pneumoparotid causing subcutaneous emphysema secondary to chronic habitual Valsalva behaviours in a 13-year-old girl
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Published on: August 25, 2017
Jessica Carter1, Jody Maclachlan1, Peter Wylie1
1Department of Radiology, Royal Free NHS Foundation Hospital Trust, London, NW3 2QG, United Kingdom.
Abstract:
Pneumoparotid is an unusual condition involving retrograde insufflation of air via the mouth into the parotid gland. In rare circumstances it can be complicated by subcutaneous emphysema. We describe a highly unusual case of rapid-onset facial swelling and limited eye-opening in an otherwise clinically well 13-year-old female. Computed tomography imaging showed pneumoparotid and extensive surgical emphysema involving the cervicofacial soft tissues and mediastinum. A detailed history revealed habitual Valsalva-related behaviours, including ear-popping and blowing bubbles in drinks. She was diagnosed with subcutaneous emphysema secondary to pneumoparotid, and her symptoms resolved with conservative management.
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