Recanalization of Splenic Artery Aneurysm After Transcatheter Arterial Embolization Using N-Butyl Cyanoacrylate |
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Authors: | Keiji Matsumoto Yasuhiro Ushijima Tsuyoshi Tajima Akihiro Nishie Masakazu Hirakawa Kousei Ishigami Yukiko Yamaji Hiroshi Honda |
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Institution: | (1) Department of Clinical Radiology, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan;(2) Department of Medicine and Biosystemic Science, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan; |
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Abstract: | A 65-year-old woman who had been diagnosed as having microscopic polyangiitis developed sudden abdominal pain and entered
a state of shock. Abdominal CT showed massive hemoperitoneum, and emergent angiography revealed a ruptured splenic artery
aneurysm. After direct catheterization attempts failed due to tortuous vessels and angiospasm, transcatheter arterial embolization
using an n-butyl cyanoacrylate (NBCA)-lipiodol mixture was successfully performed. Fifty days later, the patient developed sudden abdominal
pain again. Repeated angiography demonstrated recanalization of the splenic artery and splenic artery aneurysm. This time,
the recanalized aneurysm was embolized using metallic coils with the isolation method. Physicians should keep in mind that
recanalization can occur after transcatheter arterial embolization using N-butyl cyanoacrylate, which has been used as a permanent embolic agent. |
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