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3D printed and liver resection

N Zeng, C H Fang, Y F Fan, J Yang, N Xiang, W Zhu, J Liu, W Cai, Z K Mo
OBJECTIVE: To explore the construction and clinical efficacy of three-dimensional(3D) visualization platform about diagnosis and treatment of hilar cholangiocarcinoma. METHODS: From January 2009 to December 2015, a total of 32 patients with hilarcholangiocarcinoma treated in Zhujiang Hospital of Southern Medical University were analyzed.There were 20 male and 12 female patients aged from 40 to 85 years. Bismuth-Corlette 3D visualization type: 2 cases with type Ⅰ, 5 cases with type Ⅱ, 10 cases with type Ⅲa, 11 cases with type Ⅲb, 4 cases with type Ⅳ...
September 1, 2016: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
David S C Soon, Michael P Chae, Charles H C Pilgrim, Warren Matthew Rozen, Robert T Spychal, David J Hunter-Smith
INTRODUCTION AND BACKGROUND: Three dimensional (3D) printing has gained popularity in the medical field because of increased research in the field of haptic 3D modeling. We review the role of 3D printing with specific reference to liver directed applications. METHODS: A literature search was performed using the scientific databases Medline and PubMed. We performed this in-line with the PRISMA [20] statement. We only included articles in English, available in full text, published about adults, about liver surgery and published between 2005 and 2015...
September 2016: Annals of Medicine and Surgery
Yukio Oshiro, Jun Mitani, Toshiyuki Okada, Nobuhiro Ohkohchi
Creating a three-dimensional (3D)-printed liver model is costly, and the visibility of the inner structures is slightly hindered. We developed a novel structure that simultaneously solves both of these problems. The outer frames were set up along the liver surface. Our structure did not use the transparent loading material because this material increases the printing cost. Therefore, we were able to directly observe the inside of the structure. We performed hepatectomy using this novel 3D-printed liver model...
July 25, 2016: Surgery Today
Chihua Fang, Zhaoshan Fang, Yingfang Fan, Jianyi Li, Fei Xiang, Haisu Tao
OBJECTIVE: To study the value of three-dimensional (3D) visualization, 3D printing and 3D laparoscopy (3-3D techniques) in the diagnosis and surgical treatment of hepatic tumors. METHODS: From November 2013 to January 2015, 22 patients with hepatic tumors admitted in our department underwent abdominal thin-slice CT scanning. The CT images were imported into Medical Image three Dimensional Visualization System (MI-3DVS) for 3D reconstruction. Standard Template Library (STL) files were exported for 3D printing...
May 2015: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
Tsuyoshi Igami, Yoshihiko Nakamura, Tomoaki Hirose, Tomoki Ebata, Yukihiro Yokoyama, Gen Sugawara, Takashi Mizuno, Kensaku Mori, Masato Nagino
BACKGROUND: Hepatectomy for an invisible small tumor using intraoperative ultrasonography requires technical ingenuity. We used a 3D print of a liver to perform a hepatectomy on two patients with synchronous multiple liver metastases from colorectal cancer. Because of preoperative chemotherapy, one of the tumors became smaller and invisible to ultrasonography in each case. We present our procedure here. METHODS: Multidetector-row computed tomography images of anatomical structures were digitally segmented using the original software "PLUTO," which was developed at the Graduate School of Information Science, Nagoya University...
December 2014: World Journal of Surgery
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