Lim B.a· Lee S.b· Kim T.c· Ock J.c· Song C.a· Kim N.c· Kyung Y.S.d

Author affiliations

aDepartment of Urology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
bANYMEDI Inc., Seoul, Republic of Korea
cDepartment of Convergence Medicine/Radiology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
dDepartment of Health Screening and Promotion Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea

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Article / Publication Details

Received: October 27, 2022
Accepted: February 06, 2023
Published online: March 30, 2023

Number of Print Pages: 4
Number of Figures: 1
Number of Tables: 0

ISSN: 0042-1138 (Print)
eISSN: 1423-0399 (Online)

For additional information: https://www.karger.com/UIN

Abstract

Partial nephrectomy (PN) is a common surgery for small renal masses. The goal is to remove the mass completely while preserving renal function. A precise incision is, therefore, important. However, no specific method for surgical incision in PN exists, although there are several guides for bony structures using three-dimensional (3D) printing methods. Therefore, we tested the 3D printing method to create a surgical guide for PN. We describe the workflow to make the guide, which comprises computed tomography data acquisition and segmentation, incision line creation, surgical guide design, and its use during surgery. The guide was designed with a mesh structure that could be fixed to the renal parenchyma, indicating the projected incision line. During the operation, the 3D-printed surgical guide accurately indicated the incision line, without distortion. An intraoperative sonography was performed to locate the renal mass, which confirmed that the guide was well placed. The mass was completely removed, and the surgical margin was negative. No inflammation or immune reaction occurred during and 1 month after the operation. This surgical guide proved useful during PN for indicating the incision line and was easy to handle, without complications. We, therefore, recommend this tool for PN with improved surgical outcome.

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Received: October 27, 2022
Accepted: February 06, 2023
Published online: March 30, 2023

Number of Print Pages: 4
Number of Figures: 1
Number of Tables: 0

ISSN: 0042-1138 (Print)
eISSN: 1423-0399 (Online)

For additional information: https://www.karger.com/UIN

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