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Malaysian Journal of Medical Sciences
School of Medical Sciences, Universiti Sains Malaysia
ISSN: 1394-195X
Vol. 20, No. 4, 2013, pp. 98-101
Bioline Code: mj13063
Full paper language: English
Document type: Case Report
Document available free of charge

Malaysian Journal of Medical Sciences, Vol. 20, No. 4, 2013, pp. 98-101

 en Right Phrenic Nerve Palsy: A Rare Presentation of Thoracic Aortic Aneurysm
Akhtar, Jamal; Siddiqui, Mohammed Azfar; Khan, Nafees Ahmad & Alam, Md Arif


Phrenic nerve palsy causing hemidiaphragm paralysis is a very uncommon feature of thoracic aortic aneurysm. In one case, a 45-year-old man complained of chronic chest pain, dysphagia, and hoarseness of voice; posteroanterior view chest radiograph revealed lobular enlargement of the superior mediastinum and elevated right hemidiaphragm. Contrast-enhanced computed tomography (CT) of the thorax revealed a giant partially thrombosed aneurysm originating from the ascending aorta and extending into the aortic arch, causing a widening of the aorta-pulmonary window and a compression of the thoracic esophagus. Right hemidiaphragm elevation was explained by the gross mass effect of the aneurysm on the right hilum, causing right phrenic nerve palsy. The patient was to be operated on for surgical correction of the aneurysm, but died before surgery due to spontaneous rupture.

dysphagia; hoarseness; thoracic aortic aneurysm; palsy; phrenic nerve

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