Journal Information
Vol. 57. Issue 4.
Pages 301 (April 2021)
Vol. 57. Issue 4.
Pages 301 (April 2021)
Clinical Image
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Radiological changes due to atypical aneurysms of the subclavian artery
Alteración radiológica secundario a aneurismas aberrantes de arteria subclavia
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Juan Diego Alvarez Mavarez
Corresponding author
juandiego06@hotmail.com

Corresponding author.
, Margarita Gutierrez Rodriguez
Servicio de Neumología, Hospital Carmen y Severo Ochoa, Cangas del Narcea, Asturias, Spain
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A 76-year-old man was referred from the emergency department due to radiological changes. Background of interest included work in a coal mine for 9 years, former smoking habit (90 pack-years), a diagnosis of COPD treated with umeclidinium/vilanterol, and intermittent claudication. Reported symptoms were mMRC grade 2 dyspnea on exertion, unchanged in the last year. The only finding on examination was reduced breath sounds in both lung fields. Imaging tests (Fig. 1) showed mediastinal widening with images significant for masses. A chest CT scan was requested.

Fig. 1.

(A) PA and lateral chest X-ray showing mediastinal widening with images significant for masses. (B) Chest CT with intravenous contrast, showing an aberrant right subclavian artery that originates in the aortic arch distal to the left subclavian artery, running behind the esophagus towards the right side, with a large, partially thrombosed aneurysm. (C) Partially thrombosed aneurysm of the descending aorta.

(0.16MB).

Subclavian artery aneurysms are rare entities, representing 0.01% of peripheral aneurysms.1 They are usually due to arteriosclerosis but are sometimes caused by trauma or degenerative diseases. Clinical manifestations are rare, and diagnosis is more common after an incidental finding simulating a lung mass on chest X-ray. Chest CT is a useful technique for differential diagnosis of this entity. Aneurysms can sometimes rupture, provoking a life-threatening situation that requires surgical intervention.2

Funding

The authors state that they received no funding for the research, authorship and/or publication of this article.

References
[1]
T.L. Dent, S.M. Lindenauer, C.B. Ernst, W.J. Fry.
Multiple arteriosclerotic arterial aneurysms.
[2]
A. Verbert, J. Verbist, P. Peeters, H. Deferm, L. Haenen.
Spontaneous rupture of an aneurysm of the right subclavian artery as a first presentation of Ehlers Danlos syndrome in a 15-year-old boy.
Acta Chir Belg, 113 (2013), pp. 367-372

Please cite this article as: Alvarez Mavarez JD, Gutierrez Rodriguez M. Alteración radiológica secundario a aneurismas aberrantes de arteria subclavia. Arch Bronconeumol. 2021;57:301.

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Archivos de Bronconeumología

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