title: Periorbital subcutaneous emphysema: an unreported presentation of perforated duodenal ulcer.
authors.affiliation: Research Fellow in the Department of Physiology, St Mark's Hospital, Harrow HA1 3UJ.
authors.forename: Fareed
authors.initials: F
authors.lastname: Iqbal
authors.forename: Shafquat
authors.initials: S
authors.lastname: Zaman
authors.forename: Markos
authors.initials: M
authors.lastname: Daskalakis
authors.forename: Martin
authors.initials: M
authors.lastname: Richardson
mesh_terms: D000368:Aged; D004381:Duodenal Ulcer / Q000150:complications*; D005145:Face; D006801:Humans; D008297:Male; D008478:Mediastinal Emphysema / Q000209:etiology*; D010439:Peptic Ulcer Perforation / Q000150:complications*; D011030:Pneumothorax / Q000209:etiology*; D013352:Subcutaneous Emphysema / Q000209:etiology*