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International Journal of Computer Assisted Radiology and Surgery OnlineFirst articles

04-04-2024 | Original Article

On-the-fly point annotation for fast medical video labeling

Object detection is increasingly recognized as a critical tool in medical video analysis, with applications ranging from identifying landmarks, organs and lesions to tracking surgical instruments in real-time procedures to assess safety [ 1 , 2 ].

Authors:
Adrien Meyer, Jean-Paul Mazellier, Jérémy Dana, Nicolas Padoy

04-04-2024 | Original Article

Robot-assisted biopsy sampling for online Raman spectroscopy cancer confirmation in the operating room

In targeted cancer therapies, cancer confirmation remains crucial to improve tumor control. Side effects of poor detection of cancerous tissue, such as an increased risk of recurrence, the necessity of a second surgery, or sub-optimal dose …

Authors:
David Grajales, William T. Le, Trang Tran, Sandryne David, Frédérick Dallaire, Katherine Ember, Frédéric Leblond, Cynthia Ménard, Samuel Kadoury

Open Access 04-04-2024 | Original Article

Deep-learning based 3D reconstruction of lower limb bones from biplanar radiographs for preoperative osteotomy planning

Over the past years, preoperative planning in orthopedic surgery has undergone notable transformations, driven by technological advancements and the introduction of novel tools such as patient-specific instruments (PSI) [ 6 ]. Three-dimensional …

Authors:
Tabitha Arn Roth, Moritz Jokeit, Reto Sutter, Lazaros Vlachopoulos, Sandro F. Fucentese, Fabio Carrillo, Jess G. Snedeker, Hooman Esfandiari, Philipp Fürnstahl
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Open Access 03-04-2024 | Original Article

EndoViT: pretraining vision transformers on a large collection of endoscopic images

Minimally Invasive Surgery (MIS) is quickly becoming one of the most common styles of surgical procedures in the world [ 21 ]. In contrast to open surgery, MIS lowers the chance of infection and speeds up the recovery rate. As MIS procedures use …

Authors:
Dominik Batić, Felix Holm, Ege Özsoy, Tobias Czempiel, Nassir Navab
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03-04-2024 | Original Article

Incremental regression of localization context for automatic segmentation of ossified ligamentum flavum from CT data

Ossification of the ligamentum flavum (OLF) is a prevalent degenerative neurological disease characterized by pathological calcification and growth of the ligamentum flavim [ 1 ]. The prevalence of OLF is strongly associated with aging, with a …

Authors:
Rong Tao, Xiaoyang Zou, Xiaoru Gao, Xinhua Li, Zhiyu Wang, Xin Zhao, Guoyan Zheng, Donghua Hang

Open Access 01-04-2024 | Original Article

Multimodal semi-supervised learning for online recognition of multi-granularity surgical workflows

Purpose Surgical workflow recognition is a challenging task that requires understanding multiple aspects of surgery, such as gestures, phases, and steps. However, most existing methods focus on single-task or single-modal models and rely on costly …

Authors:
Yutaro Yamada, Jacinto Colan, Ana Davila, Yasuhisa Hasegawa
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Open Access 27-03-2024 | Original Article

XRelevanceCAM: towards explainable tissue characterization with improved localisation of pathological structures in probe-based confocal laser endomicroscopy

Probe-based confocal laser endomicroscopy (pCLE) enables visualization of the tissue morphology at microscopic scale without changes in the surgical setting. Pilot studies verified that this technique can identify residual cancer tissue and …

Authors:
Jianzhong You, Serine Ajlouni, Irini Kakaletri, Patra Charalampaki, Stamatia Giannarou
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Open Access 27-03-2024 | Original Article

AI-assisted automatic MRI-based tongue volume evaluation in motor neuron disease (MND)

Amyotrophic lateral sclerosis (ALS), the most common adult motor neuron disease (MND), is characterized by a progressive loss of motor neurons that leads to progressive pareses, respiratory failure, and death mostly within 3 to 5 years after its …

Authors:
Ina Vernikouskaya, Hans-Peter Müller, Albert C. Ludolph, Jan Kassubek, Volker Rasche
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Open Access 25-03-2024 | Original Article

AIxSuture: vision-based assessment of open suturing skills

It is well known that improving surgical skill greatly improves patient outcome [ 1 ]. Common practice in surgical training is for residents or medical students to assist attending surgeons in the operating room (OR). Attending surgeons or mentors …

Authors:
Hanna Hoffmann, Isabel Funke, Philipp Peters, Danush Kumar Venkatesh, Jan Egger, Dominik Rivoir, Rainer Röhrig, Frank Hölzle, Sebastian Bodenstedt, Marie-Christin Willemer, Stefanie Speidel, Behrus Puladi
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Open Access 25-03-2024 | Original Article

PitSurgRT: real-time localization of critical anatomical structures in endoscopic pituitary surgery

The pituitary gland secretes hormones essential for supporting human life. It is a pea-sized gland found at the base of the brain close to critical nerves and vessels [ 1 , 2 ]. Tumours formed on this gland may lead to symptoms such as vision loss …

Authors:
Zhehua Mao, Adrito Das, Mobarakol Islam, Danyal Z. Khan, Simon C. Williams, John G. Hanrahan, Anouk Borg, Neil L. Dorward, Matthew J. Clarkson, Danail Stoyanov, Hani J. Marcus, Sophia Bano
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Open Access 23-03-2024 | Original Article

Deep learning-based automatic pipeline for 3D needle localization on intra-procedural 3D MRI

Image-guided percutaneous interventions play key roles in cancer diagnosis and treatment with their minimally invasive characteristics [ 1 , 2 ]. Currently, most percutaneous interventions are guided by ultrasound (US) or computed tomography (CT) [ …3

Authors:
Wenqi Zhou, Xinzhou Li, Fatemeh Zabihollahy, David S. Lu, Holden H. Wu
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21-03-2024 | Original Article

SF-TMN: SlowFast temporal modeling network for surgical phase recognition

Video-based assessment (VBA) utilizes video recordings of procedures to evaluate the performance of the surgeons as well as support surgical education [ 1 ]. Automatic surgical phase recognition can not only support video-based surgical workflow …

Authors:
Bokai Zhang, Mohammad Hasan Sarhan, Bharti Goel, Svetlana Petculescu, Amer Ghanem

Open Access 19-03-2024 | Original Article

Near-real-time Mueller polarimetric image processing for neurosurgical intervention

Many characteristics of biological tissues are reflected in their optical properties. Differences in birefringence, i.e. the speed of light through that medium depending on polarisation, may change in healthy and diseased tissues. Mueller …

Authors:
Stefano Moriconi, Omar Rodríguez-Núñez, Romain Gros, Leonard A. Felger, Theoni Maragkou, Ekkehard Hewer, Angelo Pierangelo, Tatiana Novikova, Philippe Schucht, Richard McKinley
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15-03-2024 | Original Article

PELE scores: pelvic X-ray landmark detection with pelvis extraction and enhancement

Pelvis, the foundation of the human torso, is of great significance to human health [ 24 ]. In clinical decision-making, 2D pelvic X-rays (PXRs) are widely used due to their low radiation exposure and low cost [ 30 , 34 ]. To take advantage of PXRs …

Authors:
Zhen Huang, Han Li, Shitong Shao, Heqin Zhu, Huijie Hu, Zhiwei Cheng, Jianji Wang, S. Kevin Zhou

Open Access 14-03-2024 | Original Article

Test-time augmentation with synthetic data addresses distribution shifts in spectral imaging

Semantic segmentation of intraoperative imaging data plays a crucial role in context-awareness and autonomous robotics in surgery. Spectral imaging [ 1 ] has emerged as an alternative to RGB imaging for intraoperative use, because it offers …

Authors:
Ahmad Bin Qasim, Alessandro Motta, Alexander Studier-Fischer, Jan Sellner, Leonardo Ayala, Marco Hübner, Marc Bressan, Berkin Özdemir, Karl Friedrich Kowalewski, Felix Nickel, Silvia Seidlitz, Lena Maier-Hein
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Open Access 13-03-2024 | Original Article

Cross-sectional angle prediction of lipid-rich and calcified tissue on computed tomography angiography images

Coronary artery disease (CAD) is one of the primary causes of death in the world. Recent studies have demonstrated that outcomes in patients with CAD depend not only on lesion severity but also on its composition. Lesion with a lipid-rich …

Authors:
Xiaotong Zhang, Alexander Broersen, Hessam Sokooti, Anantharaman Ramasamy, Pieter Kitslaar, Ramya Parasa, Medeni Karaduman, Amear Souded Ali Jan Mohammed, Christos V. Bourantas, Jouke Dijkstra
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12-03-2024 | Original Article

Automatic hip osteoarthritis grading with uncertainty estimation from computed tomography using digitally-reconstructed radiographs

Hip osteoarthritis (hip OA) is an increasingly prevalent disease [ 1 ]. The disease can be caused by multiple factors, including weight or trauma, or due to the acetabulum or femoral head dysplasia, such as developmental dysplasia of the hip (DDH).

Authors:
Masachika Masuda, Mazen Soufi, Yoshito Otake, Keisuke Uemura, Sotaro Kono, Kazuma Takashima, Hidetoshi Hamada, Yi Gu, Masaki Takao, Seiji Okada, Nobuhiko Sugano, Yoshinobu Sato

Open Access 08-03-2024 | Original Article

Surgical-DINO: adapter learning of foundation models for depth estimation in endoscopic surgery

3D scene reconstruction in endoscopic surgery has a significant impact on the development of automated surgery and promotes the advancement of various downstream applications such as surgical navigation, depth perception, augmented reality [ 1 – 3 …

Authors:
Beilei Cui, Mobarakol Islam, Long Bai, Hongliang Ren
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07-03-2024 | Original Article

Assistance by adaptative damping on a complex bimanual task in laparoscopic surgery

Minimal invasive surgery has developed since a few decades and is now the gold standard in various indications. Behold the advantages considering hospital stay and post-operative complications compared to open surgery [ 1 ] with no negative impact …

Authors:
A. Nassar, F. Vérité, F. Pechereau, M. A. Vitrani

Open Access 07-03-2024 | Original Article

The distinct roles of reinforcement learning between pre-procedure and intra-procedure planning for prostate biopsy
Authors:
Iani J. M. B. Gayo, Shaheer U. Saeed, Ester Bonmati, Dean C. Barratt, Matthew J. Clarkson, Yipeng Hu
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