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CardioVascular and Interventional Radiology
Published in: CardioVascular and Interventional Radiology 10/2019

01-10-2019 | Computed Tomography | Clinical Investigation

CT-Guided Percutaneous Needle Biopsy in Patients with Suspected Retroperitoneal Fibrosis: A Retrospective Cohort Study

Authors: Yuya Koike, Seishi Matsui, Koichiro Takase, Hiromitsu Tannai

Published in: CardioVascular and Interventional Radiology | Issue 10/2019

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Abstract

Purpose

The outcome of CT-guided biopsy in patients with suspected retroperitoneal fibrosis (RF), regarded as technically challenging, remains unclear. This study aimed to evaluate the results of CT-guided biopsy in patients with lesions considered in the differential diagnosis of RF and compare them with results from patients with other retroperitoneal lesions.

Materials and Methods

Patients who underwent CT-guided biopsy of retroperitoneal lesions between January 2010 and September 2018 were retrospectively reviewed. The study cohort with retroperitoneal lesions surrounding the infra-abdominal aorta, iliac vessels, and/or ureters was divided into two groups: Group F included patients with lesions for which RF was considered in the differential diagnosis, and Group C comprised patients with a retroperitoneal mass or lymphadenopathy. Lesion size and depth, and biopsy details including technical success, position, procedure time, diagnostic yield, and complications between the two groups were compared.

Results

Group F included 27 patients (mean age 68.5 years ± 11.6, 17 male) and Group C 30 patients (mean age 65.0 years ± 11.8, 16 male). The short axis was significantly smaller in Group F than in Group C (19 mm vs 26 mm, P = 0.041), and procedure time was significantly longer in Group F than in Group C (31.5 min ± 13.2 vs 20.3 min ± 8.4, P = 0.001). Technical success rate (93% vs 100%), accuracy (93% vs 93%), and complications (3.7% vs 10%) between Groups F and C were not significantly different.

Conclusions

CT-guided biopsy of patients with suspected RF is considered safe and effective.
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Metadata
Title
CT-Guided Percutaneous Needle Biopsy in Patients with Suspected Retroperitoneal Fibrosis: A Retrospective Cohort Study
Authors
Yuya Koike
Seishi Matsui
Koichiro Takase
Hiromitsu Tannai
Publication date
01-10-2019
Publisher
Springer US
Published in
CardioVascular and Interventional Radiology / Issue 10/2019
Print ISSN: 0174-1551
Electronic ISSN: 1432-086X
DOI
https://doi.org/10.1007/s00270-019-02266-x

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