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Successful interventional management of mediastinal hematoma caused by thyroid ima artery injury
Author(s) -
Yajima Hisao,
Tokue Hiroyuki,
Mori Mizuki,
Aramaki Yuto,
Sawada Yusuke,
Nakajima Jun,
Murata Masato,
Oshima Kiyohiro
Publication year - 2021
Publication title -
acute medicine and surgery
Language(s) - English
Resource type - Journals
ISSN - 2052-8817
DOI - 10.1002/ams2.680
Subject(s) - medicine , hematoma , bruise , radiology , superior thyroid artery , mediastinum , arterial embolization , embolization , thyroid , surgery
Background The thyroid ima artery (ThIA) is a rare anatomical anomaly, commonly branching from the brachiocephalic artery. Thyroid ima artery injury can cause severe mediastinal hematoma because its descending branch extends into the mediastinum. Case presentation A 91‐year‐old man presented with syncope after a motor vehicle accident. A bruise on the chest was evident. Contrast‐enhanced computed tomography revealed a massive mediastinal hematoma with signs of active hemorrhage. Injury to a descending branch of the ThIA was indicated. Transcatheter arterial embolization (TAE) was successful in stopping the bleeding. Conclusions Although a ThIA injury is rare, it can cause serious mediastinal hematoma. Thyroid ima artery injury should be considered as a cause of traumatic mediastinal hematoma. Transcatheter arterial embolization for traumatic ThIA injury is considered a safe and effective treatment.

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