A Medical Mystery: Abnormal Chest X-Ray Film
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《新英格兰医药杂志》
A 73-year-old man with a previous history of hypertension and diabetes mellitus had undergone aortic-valve replacement for aortic stenosis and received a pacemaker for a junctional rhythm several years earlier. A routine follow-up chest x-ray film raised the possibility of an aortic-arch aneurysm. The pacemaker was functioning properly. What is the diagnosis?
Editor's note: We invite our readers to submit their answers at www.nejm.org/mystery. We will publish the diagnosis in the Correspondence section of the September 21, 2006, issue and e-mail it to everyone who submits an answer. All answers must be received by August 9, 2006.
J.R.A. Turkington, F.R.C.R.
E. McAteer, F.R.C.R.
Craigavon Area Hospital
Portadown BT63 5QQ, Northern Ireland, United Kingdom
Editor's note: We invite our readers to submit their answers at www.nejm.org/mystery. We will publish the diagnosis in the Correspondence section of the September 21, 2006, issue and e-mail it to everyone who submits an answer. All answers must be received by August 9, 2006.
J.R.A. Turkington, F.R.C.R.
E. McAteer, F.R.C.R.
Craigavon Area Hospital
Portadown BT63 5QQ, Northern Ireland, United Kingdom