Background: In magnetic resonance (MR) image-guided microwave thermocoagulation of liver tumors, the choice of the optimal puncture route is an important and time-consuming process. To assist this process, we have developed a motorized MR-compatible manipulator.
Methods: The manipulator consists of a passive end effecter with 2 degrees-of-freedom (DOF) rotation and active base stages with 3 ultrasonic motors. It automatically chases the preset target point with synergetic remote-center-of-motion (RCM) control. A mechanical torque limiter and an electrical shutdown switch were added for patient safety.
Results: The manipulator was used for this procedure in 15 cases and successfully utilized to treat liver tumors in various locations. Thoracoscopic assistance was combined with the manipulator in 6 cases. No complications were experienced.
Conclusions: The manipulator was found to be very effective for assisting MR-guided microwave coagulation of liver tumors.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1016/j.amjsurg.2009.02.006 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Targeting p38γ synergistically enhances sorafenib-induced cytotoxicity in hepatocellular carcinoma.
Cell Biol Toxicol
January 2025
Division of Abdominal Tumor Multimodality Treatment, Cancer Center and Laboratory of Molecular Targeted Therapy in Oncology, West China Hospital, Sichuan University, 610041, Chengdu, Sichuan Province, China.
Sorafenib (Sora) is a first-line treatment for patients with advanced hepatocellular carcinoma (HCC). It can significantly improve the survival rate of patients with advanced HCC, but it is prone to drug resistance during treatment, so the therapeutic effect is extremely limited. Here, we demonstrate that an elevated expression of protein kinase p38γ in hepatocellular carcinoma cells diminishes the tumor cells' sensitivity to Sora.
View Article and Find Full Text PDFPhysiology and Pathophysiology of Marathon Running: A narrative Review.
Sports Med Open
January 2025
Institute of Primary Care, University of Zurich, Zurich, Switzerland.
Background: Marathon training and running have many beneficial effects on human health and physical fitness; however, they also pose risks. To date, no comprehensive review regarding both the benefits and risks of marathon running on different organ systems has been published.
Main Body: The aim of this review was to provide a comprehensive review of the benefits and risks of marathon training and racing on different organ systems.
Exploring the efficacy of fluorouracil and platinum based chemotherapy in advanced hepatocellular carcinoma to bridge the treatment gap in resource limited settings.
Sci Rep
January 2025
Division of Medical Oncology, Department of Internal Medicine, College of Medicine, St. Vincent's Hospital, The Catholic University of Korea, 93 Jungbu-daero, Paldal-gu, Suwon, 16247, Korea.
Advanced hepatocellular carcinoma (HCC) poses treatment challenges, especially where access to multi-kinase inhibitors and ICIs is limited by high costs and lack of insurance. This study evaluates the effectiveness of 5-fluorouracil (5-FU) plus platinum-based chemotherapy as an alternative systemic treatment for advanced HCC. A retrospective analysis of advanced HCC patients treated with 5-FU plus platinum-based chemotherapy was conducted.
View Article and Find Full Text PDFAntioxidant and anti-inflammatory function of walnut green husk aqueous extract (WNGH-AE) on human hepatocellular carcinoma cells (HepG2) treated with t-BHP.
PLoS One
January 2025
Institute of Natural Antioxidants and Anti-Inflammation, Dali University, Dali, Yunnan, China.
Oxidative damage, oxidative inflammation, and a range of downstream diseases represent significant threats to human health. The application of natural antioxidants and anti-inflammatory agents can help prevent and mitigate these associated diseases. In this study, we aimed to investigate the effectiveness of walnut green husk (WNGH) as an antioxidant and anti-inflammatory agent in an in vitro setting.
View Article and Find Full Text PDFTrends and Disparities in Intrahepatic Cholangiocarcinoma-related Mortality in the United States from 1999 to 2020.
J Gastrointest Cancer
January 2025
Department of Internal Medicine, UCHealth Parkview Medical Center, Pueblo, CO, USA.
Purpose: Intrahepatic cholangiocarcinoma (ICC) arises from the epithelial cells of the bile ducts present inside the liver parenchyma and is associated with an overall poor prognosis due to advanced disease stage at the time of diagnosis. We used the Centers for Disease Control and Prevention Wide-Ranging Online Data for Epidemiologic Research (CDC WONDER) database to determine ICC-related mortality patterns in the United States from 1999 till 2020.
Methods: Age-adjusted mortality rates (AAMR) and crude mortality rates (CMR) were extracted from the CDC WONDER database.
Want AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!