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Safe Laparoscopic Treatment of a Giant Hepatic Cyst That Compressed the Inferior Vena Cava With Severe Kyphosis.
Asian J Endosc Surg
December 2024
Department of Surgery and Science, Faculty of Medicine, Academic Assembly, University of Toyama, Toyama, Japan.
We report a case in which a giant hepatic cyst located at the hepatic hilum and compressing the inferior vena cava was safely treated laparoscopically with careful attention to hemodynamics in a difficult fenestrated resection in a patient with severe kyphosis. The anatomic location of the cyst was evaluated preoperatively via 3D reconstruction of computed tomography images to identify a site where safe fenestrated resection could be performed. This was challenging because the surgical field was narrow due to the presence of severe kyphosis, and there was a risk of damage to surrounding organs during fenestrated resection.
View Article and Find Full Text PDFImproved surgical skill is generally associated with improved patient outcomes, although assessment is subjective, labour intensive, and requires domain-specific expertise. Automated data-driven metrics can alleviate these difficulties, as demonstrated by existing machine learning instrument tracking models. However, these models are tested on limited datasets of laparoscopic surgery, with a focus on isolated tasks and robotic surgery.
View Article and Find Full Text PDFIntraoperative patient-specific volumetric reconstruction and 3D visualization for laparoscopic liver surgery.
Healthc Technol Lett
December 2024
Despite the benefits of minimally invasive surgery, interventions such as laparoscopic liver surgery present unique challenges, like the significant anatomical differences between preoperative images and intraoperative scenes due to pneumoperitoneum, patient pose, and organ manipulation by surgical instruments. To address these challenges, a method for intraoperative three-dimensional reconstruction of the surgical scene, including vessels and tumors, without altering the surgical workflow, is proposed. The technique combines neural radiance field reconstructions from tracked laparoscopic videos with ultrasound three-dimensional compounding.
View Article and Find Full Text PDFLaparoscopic video tracking primarily focuses on two target types: surgical instruments and anatomy. The former could be used for skill assessment, while the latter is necessary for the projection of virtual overlays. Where instrument and anatomy tracking have often been considered two separate problems, in this article, a method is proposed for joint tracking of all structures simultaneously.
View Article and Find Full Text PDFA Rare Case of Multiple Subserous Uterine Adenomyomas Misdiagnosed as an Ovarian Cyst, Diagnosed and Treated by Laparoscopy.
Int J Womens Health
December 2024
Department of Reproductive Endocrinology, Hangzhou Women's Hospital, Hangzhou, People's Republic of China.
Objective: To report a rare case of multiple subserous uterine adenomyomas diagnosed and treated by laparoscopy.
Case Report: A premenopausal 55-year-old woman was admitted presenting with bilateral adnexal cysts. Preoperative ultrasound and magnetic resonance imaging both indicated a right ovarian cyst.
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