Internal Medicine
Online ISSN : 1349-7235
Print ISSN : 0918-2918
ISSN-L : 0918-2918
Rupture of Pseudoaneurysm after Biliary Metallic Stent Placement
Tatsunori SatohHiroyuki MatsubayashiHirotoshi IshiwatariShinya FujieJunichi KanekoJunya SatoSayo ItoYoshihiro KishidaKenichiro ImaiKinichi HottaMasao YoshidaNoboru KawataKohei TakizawaNaomi KakushimaAkihiro SawadaHiroyuki Ono
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JOURNALS OPEN ACCESS Advance online publication

Article ID: 1862-18

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Abstract

Rupture of a pseudoaneurysm (PA) has been reported as a rare but serious adverse event associated with endoscopic biliary stenting. We herein report 2 cases of severe biliary bleeding from a PA that developed 10-14 days after placement of a self-expandable metallic stent (SEMS) for biliary malignancy. The first patient was successfully embolized with endovascular coiling. However, the second patient had wide-spreading cholangiocarcinoma and, despite being treated once by full coiling, developed a second rupture of PA two months after starting systemic chemotherapy. Clinicians should be aware of the possibility of PA and carefully follow stented patients after endovascular treatment.

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© 2019 by The Japanese Society of Internal Medicine
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