Prostate brachytherapy seed migration to the right renal artery due to right‐to‐left shunting across a patent foramen ovale

Author:

Nakiri Makoto1ORCID,Ueda Kosuke1,Hoshino Ryuji1,Ito Naoki1,Kurose Hirofumi1ORCID,Nohara Shoichiro2,Muraki Koichiro3,Hattori Chikayuki3,Ogo Etsuyo3,Igawa Tsukasa1

Affiliation:

1. Department of Urology Kurume University School of Medicine Kurume Japan

2. Division of Cardiovascular Medicine, Department of Internal Medicine Kurume University School of Medicine Kurume Japan

3. Department of Radiology Kurume University School of Medicine Kurume Japan

Abstract

IntroductionThe seeds used in brachytherapy for prostate cancer may migrate through the surrounding venous plexus to other sites in the body, most commonly to the pulmonary vasculature.Case presentationA 78‐year‐old Japanese man received iodine‐125 low‐dose‐rate prostate brachytherapy. Computed tomography revealed that one seed had migrated to the right kidney. No seed was observed in the ureter upon ureteroscopy. Transesophageal echocardiography confirmed a right‐to‐left shunt due to a patent foramen ovale, suggesting that the seed had migrated into the right renal artery. Three years after treatment, no recurrence of prostate cancer and no adverse events due to seed migration or due to the patent foramen ovale occurred.ConclusionArteriovenous malformations and a right‐to‐left shunt should be suspected if a brachytherapy seed has migrated to an artery of the systemic circulatory system.

Publisher

Wiley

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