Imaging Findings of Atypical Type II Endoleak Through Vasa Vasorum After Abdominal Endovascular Aneurysm Repair

Hideyuki Torikai; Masanori Inoue; Seishi Nakatsuka; Masashi Tamura; Hideki Yashiro; Akihiro Yoshitake; Hideyuki Shimizu; Masahiro Jinzaki

doi:10.1007/s00270-017-1778-y

Imaging Findings of Atypical Type II Endoleak Through Vasa Vasorum After Abdominal Endovascular Aneurysm Repair

Hideyuki Torikai, Masanori Inoue, Seishi Nakatsuka, Masashi Tamura, Hideki Yashiro, Akihiro Yoshitake, Hideyuki Shimizu, Masahiro Jinzaki

研究成果: Article › 査読

9 被引用数 (Scopus)

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A type II endoleak (T2EL) is the most common endoleak after endovascular aneurysm repair (EVAR), and a persistent T2EL has been occasionally associated with aneurysmal enlargement. Typical findings of a T2EL consist of an endoleak cavity with inflow and outflow arteries of aortic branch vessels. However, an atypical T2EL, in which hypertrophied vasa vasorum and enlargement of a thrombosed aneurysm are observed, has no endoleak cavity. We have seen three cases of continuous aortic aneurysmal growth after EVAR caused by atypical T2ELs without endoleak cavities through developed vasa vasorum. In this report, the imaging findings of selective angiography and dynamic computed tomography of these cases are reviewed.

本文言語	English
ページ（範囲）	186-190
ページ数	5
ジャーナル	Cardiovascular and Interventional Radiology
巻	41
号	1
DOI	https://doi.org/10.1007/s00270-017-1778-y
出版ステータス	Published - 2018 1月 1

ASJC Scopus subject areas

放射線学、核医学およびイメージング
循環器および心血管医学

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10.1007/s00270-017-1778-y

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title = "Imaging Findings of Atypical Type II Endoleak Through Vasa Vasorum After Abdominal Endovascular Aneurysm Repair",

abstract = "A type II endoleak (T2EL) is the most common endoleak after endovascular aneurysm repair (EVAR), and a persistent T2EL has been occasionally associated with aneurysmal enlargement. Typical findings of a T2EL consist of an endoleak cavity with inflow and outflow arteries of aortic branch vessels. However, an atypical T2EL, in which hypertrophied vasa vasorum and enlargement of a thrombosed aneurysm are observed, has no endoleak cavity. We have seen three cases of continuous aortic aneurysmal growth after EVAR caused by atypical T2ELs without endoleak cavities through developed vasa vasorum. In this report, the imaging findings of selective angiography and dynamic computed tomography of these cases are reviewed.",

keywords = "Chronic expanding hematoma, Type II endoleak, Vasa vasorum",

author = "Hideyuki Torikai and Masanori Inoue and Seishi Nakatsuka and Masashi Tamura and Hideki Yashiro and Akihiro Yoshitake and Hideyuki Shimizu and Masahiro Jinzaki",

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T1 - Imaging Findings of Atypical Type II Endoleak Through Vasa Vasorum After Abdominal Endovascular Aneurysm Repair

AU - Torikai, Hideyuki

AU - Inoue, Masanori

AU - Nakatsuka, Seishi

AU - Tamura, Masashi

AU - Yashiro, Hideki

AU - Yoshitake, Akihiro

AU - Shimizu, Hideyuki

AU - Jinzaki, Masahiro

PY - 2018/1/1

Y1 - 2018/1/1

N2 - A type II endoleak (T2EL) is the most common endoleak after endovascular aneurysm repair (EVAR), and a persistent T2EL has been occasionally associated with aneurysmal enlargement. Typical findings of a T2EL consist of an endoleak cavity with inflow and outflow arteries of aortic branch vessels. However, an atypical T2EL, in which hypertrophied vasa vasorum and enlargement of a thrombosed aneurysm are observed, has no endoleak cavity. We have seen three cases of continuous aortic aneurysmal growth after EVAR caused by atypical T2ELs without endoleak cavities through developed vasa vasorum. In this report, the imaging findings of selective angiography and dynamic computed tomography of these cases are reviewed.

AB - A type II endoleak (T2EL) is the most common endoleak after endovascular aneurysm repair (EVAR), and a persistent T2EL has been occasionally associated with aneurysmal enlargement. Typical findings of a T2EL consist of an endoleak cavity with inflow and outflow arteries of aortic branch vessels. However, an atypical T2EL, in which hypertrophied vasa vasorum and enlargement of a thrombosed aneurysm are observed, has no endoleak cavity. We have seen three cases of continuous aortic aneurysmal growth after EVAR caused by atypical T2ELs without endoleak cavities through developed vasa vasorum. In this report, the imaging findings of selective angiography and dynamic computed tomography of these cases are reviewed.

KW - Chronic expanding hematoma

KW - Type II endoleak

KW - Vasa vasorum

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Imaging Findings of Atypical Type II Endoleak Through Vasa Vasorum After Abdominal Endovascular Aneurysm Repair

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