Parikshit Juvekar
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View article: Resident Opinions on Image Guidance for External Ventricular Drain Placement: A National Survey
Resident Opinions on Image Guidance for External Ventricular Drain Placement: A National Survey Open
BACKGROUND AND OBJECTIVES: Low-quality data on image-guided external ventricular drain (EVD) accuracy are in large part due to a lack of widespread usage of this system for EVD placement. The potential disconnect between user preferences a…
View article: ReMIND: The Brain Resection Multimodal Imaging Database
ReMIND: The Brain Resection Multimodal Imaging Database Open
The standard of care for brain tumors is maximal safe surgical resection. Neuronavigation augments the surgeon’s ability to achieve this but loses validity as surgery progresses due to brain shift. Moreover, gliomas are often indistinguish…
View article: Spatiotemporal disentanglement of arteriovenous malformations in digital subtraction angiography
Spatiotemporal disentanglement of arteriovenous malformations in digital subtraction angiography Open
Although Digital Subtraction Angiography (DSA) is the most important imaging for visualizing cerebrovascular anatomy, its interpretation by clinicians remains difficult. This is particularly true when treating arteriovenous malformations (…
View article: Spatiotemporal Disentanglement of Arteriovenous Malformations in Digital Subtraction Angiography
Spatiotemporal Disentanglement of Arteriovenous Malformations in Digital Subtraction Angiography Open
Although Digital Subtraction Angiography (DSA) is the most important imaging for visualizing cerebrovascular anatomy, its interpretation by clinicians remains difficult. This is particularly true when treating arteriovenous malformations (…
View article: CNSC-05. LOCAL AND GLOBAL FUNCTIONAL CONNECTOME DISRUPTION IN PATIENTS WITH GLIOMAS
CNSC-05. LOCAL AND GLOBAL FUNCTIONAL CONNECTOME DISRUPTION IN PATIENTS WITH GLIOMAS Open
The aim of the study was to map the disruption of functional connectome in patients with gliomas using resting-state functional MRI (rs-fMRI) acquired before surgery (3T scanner). 54 patients with gliomas were included (M = 34, mean age = …
View article: Learning Expected Appearances for Intraoperative Registration during Neurosurgery
Learning Expected Appearances for Intraoperative Registration during Neurosurgery Open
We present a novel method for intraoperative patient-to-image registration by learning Expected Appearances. Our method uses preoperative imaging to synthesize patient-specific expected views through a surgical microscope for a predicted r…
View article: ReMIND: The Brain Resection Multimodal Imaging Database
ReMIND: The Brain Resection Multimodal Imaging Database Open
The standard of care for brain tumors is maximal safe surgical resection. Neuronavigation augments the surgeon’s ability to achieve this but loses validity as surgery progresses due to brain shift. Moreover, gliomas are often indistinguish…
View article: Unified Brain MR-Ultrasound Synthesis using Multi-Modal Hierarchical Representations
Unified Brain MR-Ultrasound Synthesis using Multi-Modal Hierarchical Representations Open
We introduce MHVAE, a deep hierarchical variational auto-encoder (VAE) that synthesizes missing images from various modalities. Extending multi-modal VAEs with a hierarchical latent structure, we introduce a probabilistic formulation for f…
View article: Mapping Resection Progress by Tool-Tip Tracking during Brain Tumor Surgery for Real-Time Estimation of Residual Tumor
Mapping Resection Progress by Tool-Tip Tracking during Brain Tumor Surgery for Real-Time Estimation of Residual Tumor Open
Surgical resection continues to be the primary initial therapeutic strategy in the treatment of patients with brain tumors. Computerized cranial neuronavigation based on preoperative imaging offers precision guidance during craniotomy and …
View article: Unified Brain MR-Ultrasound Synthesis Using Multi-modal Hierarchical Representations
Unified Brain MR-Ultrasound Synthesis Using Multi-modal Hierarchical Representations Open
We introduce MHVAE, a deep hierarchical variational autoencoder (VAE) that synthesizes missing images from various modalities. Extending multi-modal VAEs with a hierarchical latent structure, we introduce a probabilistic formulation for fu…
View article: A tool-free neuronavigation method based on single-view hand tracking
A tool-free neuronavigation method based on single-view hand tracking Open
This work presents a novel tool-free neuronavigation method that can be used with a single RGB commodity camera. Compared with freehand craniotomy placement methods, the proposed system is more intuitive and less error prone. The proposed …
View article: Cortical Vessel Segmentation for Neuronavigation using Vesselness-enforced Deep Neural Networks
Cortical Vessel Segmentation for Neuronavigation using Vesselness-enforced Deep Neural Networks Open
International audience
View article: Converting sounds to meaning with ventral semantic language networks: integration of interdisciplinary data on brain connectivity, direct electrical stimulation and clinical disconnection syndromes
Converting sounds to meaning with ventral semantic language networks: integration of interdisciplinary data on brain connectivity, direct electrical stimulation and clinical disconnection syndromes Open
Numerous traditional linguistic theories propose that semantic language pathways convert sounds to meaningful concepts, generating interpretations ranging from simple object descriptions to communicating complex, analytical thinking. Altho…
View article: Multimodal Intraoperative Image-Driven Surgery for Skull Base Chordomas and Chondrosarcomas
Multimodal Intraoperative Image-Driven Surgery for Skull Base Chordomas and Chondrosarcomas Open
Given the difficulty and importance of achieving maximal resection in chordomas and chondrosarcomas, all available tools offered by modern neurosurgery are to be deployed for planning and resection of these complex lesions. As demonstrated…
View article: Salvage brachytherapy for multiply recurrent metastatic brain tumors: A matched case analysis
Salvage brachytherapy for multiply recurrent metastatic brain tumors: A matched case analysis Open
Background Patients with recurrent brain metastases who have exhausted external radiation options pose a treatment challenge in the setting of advances in systemic disease control which have improved quality of life and survival. Brachythe…
View article: Tumor BOLD connectivity profile correlates with glioma patients’ survival
Tumor BOLD connectivity profile correlates with glioma patients’ survival Open
Background Presence of residual neurovascular activity within glioma lesions have been recently demonstrated via functional MRI (fMRI) along with active electrical synapses between glioma cells and healthy neurons that influence survival. …
View article: Biopsy Artifact in Laser Interstitial Thermal Therapy: A Technical Note
Biopsy Artifact in Laser Interstitial Thermal Therapy: A Technical Note Open
Purpose The safety and effectiveness of laser interstitial thermal therapy (LITT) relies critically on the ability to continuously monitor the ablation based on real-time temperature mapping using magnetic resonance thermometry (MRT). This…
View article: Estimation of High Framerate Digital Subtraction Angiography Sequences at Low Radiation Dose
Estimation of High Framerate Digital Subtraction Angiography Sequences at Low Radiation Dose Open
International audience
View article: Pose Estimation and Non-Rigid Registration for Augmented Reality During Neurosurgery
Pose Estimation and Non-Rigid Registration for Augmented Reality During Neurosurgery Open
This work shows that we can provide coherent Augmented Reality visualization of 3D cortical vessels observed through the craniotomy using a single camera view and that cortical vessels provide strong features for performing both rigid and …
View article: Deep neural networks allow expert-level brain meningioma detection, segmentation and improvement of current clinical practice
Deep neural networks allow expert-level brain meningioma detection, segmentation and improvement of current clinical practice Open
Accurate brain meningioma detection, segmentation and volumetric assessment are critical for serial patient follow-up, surgical planning and monitoring response to treatment. Current gold standard of manual labeling is a time-consuming pro…
View article: Challenges and Opportunities of Intraoperative 3D Ultrasound With Neuronavigation in Relation to Intraoperative MRI
Challenges and Opportunities of Intraoperative 3D Ultrasound With Neuronavigation in Relation to Intraoperative MRI Open
Introduction Neuronavigation greatly improves the surgeon’s ability to approach, assess and operate on brain tumors, but tends to lose its accuracy as the surgery progresses and substantial brain shift and deformation occurs. Intraoperativ…
View article: Deep Cortical Vessel Segmentation Driven By Data Augmentation With Neural Image Analogy
Deep Cortical Vessel Segmentation Driven By Data Augmentation With Neural Image Analogy Open
International audience
View article: NIMG-16. EXPLORATORY EVALUATION OF Q-SPACE TRAJECTORY IMAGING PARAMETERS AS NOVEL IMAGING BIOMARKERS FOR GLIOMAS
NIMG-16. EXPLORATORY EVALUATION OF Q-SPACE TRAJECTORY IMAGING PARAMETERS AS NOVEL IMAGING BIOMARKERS FOR GLIOMAS Open
Neuroimaging offers a non-invasive means to probe tumor tissue in order to inform decision making at all phases of brain tumor treatment. Diffusion MRI is particularly sensitive to tumor tissue microstructure, with greater heterogeneity be…