title: Images in Clinical Medicine. Spontaneous Retropharyngeal Hematoma.
abstract: A 56-year-old man presented to the emergency department with a 5-hour history of throat swelling and pain and difficulty breathing that was exacerbated by supine positioning; he had not had any obvious antecedent trauma. His medical history included prostate cancer, hypertension, hyperlipidemia, deep-vein thrombosis, and stroke. Medications included warfarin (presumably for deep-vein thrombosis), antihypertensive agents, and a statin. He was afebrile, and the physical examination was notable for minor swelling of the posterior oropharynx. Laboratory studies revealed a normal white-cell count, an international normalized ratio of more than 11, a prothrombin time of more than 120 seconds, and an activated . . .
authors.affiliation: University of Toronto, Toronto, ON, Canada noah.ditkofsky@sunnybrook.ca.
authors.forename: Noah
authors.initials: N
authors.lastname: Ditkofsky
authors.forename: Tarek
authors.initials: T
authors.lastname: Hanna
mesh_terms: D000925:Anticoagulants / Q000009:adverse effects*; D006403:Hematologic Tests; D006406:Hematoma / Q000139:chemically induced / Q000000981:diagnostic imaging*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010608:Pharyngeal Diseases / Q000000981:diagnostic imaging*; D011859:Radiography
chemical_list: D000925:Anticoagulants