Treatment of ruptured rectal artery aneurysm in a patient with neurofibromatosis

Abstract Background Superior rectal artery (SRA) aneurysms are rare. Although melena is the most common symptom, it has not been observed in cases of aneurysms located in the SRA trunk. Here, we report a case of a ruptured SRA trunk aneurysm successfully treated with coil embolization. Including our...

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Main Authors: Hidehiko Nemoto, Kensaku Mori, Yohei Takei, Shunsuke Kikuchi, Sodai Hoshiai, Yoshiyuki Yamamoto, Takahito Nakajima
Format: Article
Language:English
Published: SpringerOpen 2022-08-01
Series:CVIR Endovascular
Subjects:
Online Access:https://doi.org/10.1186/s42155-022-00317-y
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author Hidehiko Nemoto
Kensaku Mori
Yohei Takei
Shunsuke Kikuchi
Sodai Hoshiai
Yoshiyuki Yamamoto
Takahito Nakajima
author_facet Hidehiko Nemoto
Kensaku Mori
Yohei Takei
Shunsuke Kikuchi
Sodai Hoshiai
Yoshiyuki Yamamoto
Takahito Nakajima
author_sort Hidehiko Nemoto
collection DOAJ
description Abstract Background Superior rectal artery (SRA) aneurysms are rare. Although melena is the most common symptom, it has not been observed in cases of aneurysms located in the SRA trunk. Here, we report a case of a ruptured SRA trunk aneurysm successfully treated with coil embolization. Including our case, three of the four reported cases of SRA trunk aneurysms were related to neurofibromatosis type 1 (NF1). Case presentation A 52-year-old woman with NF1 was referred to our hospital for the investigation of an abdominal mass with back pain. She had previously undergone a blood transfusion at another hospital for anemia without melena. Computed tomography angiography revealed a ruptured SRA trunk aneurysm measuring 3 cm in diameter and surrounded by a retroperitoneal hematoma. The aneurysm was isolated by embolizing the SRA trunk distally and proximally. Distal embolization was performed retrogradely from the internal iliac artery (IIA) via the middle rectal artery (MRA)-SRA anastomosis because the antegrade approach from the inferior mesenteric artery (IMA) failed. To our knowledge, this is the first case of successful coil embolization of an IMA branch through the IIA. Conclusion SRA trunk aneurysms are rare; however, they are frequently associated with NF1. Antegrade distal embolization beyond the aneurysm is sometimes difficult to achieve. In such cases, a retrograde approach via MRA-SRA anastomosis can be the choice for isolating SRA trunk aneurysms.
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spelling doaj.art-e3f292f2ff0e4e29af31825767c5bb7e2022-12-22T04:01:46ZengSpringerOpenCVIR Endovascular2520-89342022-08-01511510.1186/s42155-022-00317-yTreatment of ruptured rectal artery aneurysm in a patient with neurofibromatosisHidehiko Nemoto0Kensaku Mori1Yohei Takei2Shunsuke Kikuchi3Sodai Hoshiai4Yoshiyuki Yamamoto5Takahito Nakajima6Department of Radiology, University of Tsukuba HospitalDepartment of Radiology, Faculty of Medicine, University of TsukubaDepartment of Radiology, University of Tsukuba HospitalDepartment of Radiology, Tsuchiura Kyodo General HospitalDepartment of Radiology, Faculty of Medicine, University of TsukubaDepartment of Gastroenterology, Faculty of Medicine, University of TsukubaDepartment of Radiology, Faculty of Medicine, University of TsukubaAbstract Background Superior rectal artery (SRA) aneurysms are rare. Although melena is the most common symptom, it has not been observed in cases of aneurysms located in the SRA trunk. Here, we report a case of a ruptured SRA trunk aneurysm successfully treated with coil embolization. Including our case, three of the four reported cases of SRA trunk aneurysms were related to neurofibromatosis type 1 (NF1). Case presentation A 52-year-old woman with NF1 was referred to our hospital for the investigation of an abdominal mass with back pain. She had previously undergone a blood transfusion at another hospital for anemia without melena. Computed tomography angiography revealed a ruptured SRA trunk aneurysm measuring 3 cm in diameter and surrounded by a retroperitoneal hematoma. The aneurysm was isolated by embolizing the SRA trunk distally and proximally. Distal embolization was performed retrogradely from the internal iliac artery (IIA) via the middle rectal artery (MRA)-SRA anastomosis because the antegrade approach from the inferior mesenteric artery (IMA) failed. To our knowledge, this is the first case of successful coil embolization of an IMA branch through the IIA. Conclusion SRA trunk aneurysms are rare; however, they are frequently associated with NF1. Antegrade distal embolization beyond the aneurysm is sometimes difficult to achieve. In such cases, a retrograde approach via MRA-SRA anastomosis can be the choice for isolating SRA trunk aneurysms.https://doi.org/10.1186/s42155-022-00317-ySuperior rectal arteryAneurysmRuptureNeurofibromatosis type 1EmbolizationCoils
spellingShingle Hidehiko Nemoto
Kensaku Mori
Yohei Takei
Shunsuke Kikuchi
Sodai Hoshiai
Yoshiyuki Yamamoto
Takahito Nakajima
Treatment of ruptured rectal artery aneurysm in a patient with neurofibromatosis
CVIR Endovascular
Superior rectal artery
Aneurysm
Rupture
Neurofibromatosis type 1
Embolization
Coils
title Treatment of ruptured rectal artery aneurysm in a patient with neurofibromatosis
title_full Treatment of ruptured rectal artery aneurysm in a patient with neurofibromatosis
title_fullStr Treatment of ruptured rectal artery aneurysm in a patient with neurofibromatosis
title_full_unstemmed Treatment of ruptured rectal artery aneurysm in a patient with neurofibromatosis
title_short Treatment of ruptured rectal artery aneurysm in a patient with neurofibromatosis
title_sort treatment of ruptured rectal artery aneurysm in a patient with neurofibromatosis
topic Superior rectal artery
Aneurysm
Rupture
Neurofibromatosis type 1
Embolization
Coils
url https://doi.org/10.1186/s42155-022-00317-y
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