The combination of hilar cholangiocarcinoma and anatomic variation constitutes a rare and complicated condition. Precise understanding of 3-dimensional position of tumor in the intrahepatic structure in such cases is important for operation planning and navigation. We report a case of a 61-year woman presenting with hilar cholangiocarcinoma. Anatomic variation and tumor location were well depic...

Osteotomies around the knee address lower limb deformities that affect the leg posture and especially the knee joint. Knee arthritis is a very common age-related joint disease that can be treated with osteotomy, as an alternative to knee replacement by implants. The preoperative planning process is demanding and significantly determines the surgical out-come. The choice of the osteotomy type an...

In liver surgery, accurate assessments of liver resection volume and anatomical variation are mandatory for preoperative planning of safe curative hepatectomy. In living donor liver transplantation (LDLT), estimation of hepatic venous drainage is important to avoid liver graft and donor residual liver congestion. This paper reviews the articles on simulation-guided liver surgery and describes o...

Difficulty in identification wall chest tumors lead to unnecessary wide resections. Optical navigation and preoperative virtual planning are assets for surgeries that require exactness and accuracy. These tools enable physicians to study real anatomy before surgery and to follow an established pathway during procedure ensuring effectiveness. The aim of this paper is to demonstrate that Preopera...

We present a new preoperative planning method for reducing the risk associated with insertion of straight tools in image-guided keyhole neurosurgery. The method quantifies the risks of multiple candidate trajectories and presents them on the outer head surface to assist the neurosurgeon in selecting the safest path. The surgeon can then define and/or revise the trajectory, add a new one using i...

The aim of the study is to evaluate the efficacy of a spinal osteotomy technique, Y shape osteotomy, for correcting kyphosis in AS patients planned preoperatively with computer software-assistance. 36 consecutive AS patients with thoracolumbar kyphosis were treated with one-stage posterior Y shape osteotomy and preoperative surgical planning was done with the aid of the Surgimap Spine. Radiolog...

Recently, some useful robotic surgical systems have been developed and applied in many surgical situations. Systems such as the da Vinci surgical system of Intuitive Surgical Inc., which facilitates minimally invasive surgery with increased dexterity, are commercially available. Preoperative simulation and planning of surgical robot setups should accompany advanced robotic surgery if their adva...

SUMMARY Preoperative frailty predicts adverse postoperative outcomes. Recommendations for preoperative assessment of elderly patients include performing a frailty assessment. Despite the advantages of incorporating frailty assessment into surgical settings, there is limited research on surgical health care professionals' perception and use of frailty assessment for perioperative care. We survey...

The aim of our work is to provide maxillofacial surgeons with an integrated osteotomy planning system for complex bone relocations, facilitating a preoperative assessment of functional as well as æsthetic rehabilitation. On this account we try to establish a robust modeling approach based on a histomechanical soft tissue model that reliably predicts the postoperative facial appearance. For two ...

Today surgical education and training do not offer a realistic scenario to the medical students. Practical skills are mostly acquired by operating cadavers which offer material properties and physical behaviour different from living humans. Simulation systems can be used in this area to improve medical education and to offer a more authentic scenario to the future surgeons. Besides the field of...