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May 1974

Mediastinal Hemorrhage From Parathyroid Adenoma Simulating Dissecting Aneurysm

Arch Surg. 1974;108(5):740-741. doi:10.1001/archsurg.1974.01350290102019

A 63-year-old white man with hyperparathyroidism had symptoms suggestive of a dissecting aneurysm and superior vena cava obstruction. Urgent exploration revealed a large mediastinal hematoma caused by hemorrhage surrounding a parathyroid adenoma. This case is believed to represent the first one of such a presentation by a parathyroid tumor. The patient was successfully treated by emergency aortic angiography, prompt mediastinal and neck exploration, and resection of the adenoma.