A5005826694- Radiomics and Machine Learning in Medical Imaging
- Lung Cancer Diagnosis and Treatment
- Radiology practices and education
- Vascular Anomalies and Treatments
- Pleural and Pulmonary Diseases
- Acute Ischemic Stroke Management
- Cerebrovascular and Carotid Artery Diseases
- Vascular Malformations and Hemangiomas
- Metastasis and carcinoma case studies
- Artificial Intelligence in Healthcare and Education
- Innovations in Medical Education
- Medical Malpractice and Liability Issues
- Diversity and Career in Medicine
- Pancreatic and Hepatic Oncology Research
- Medical Education and Admissions
- Sarcoma Diagnosis and Treatment
- Cancer Diagnosis and Treatment
- Lung Cancer Treatments and Mutations
- Congenital limb and hand anomalies
- Vascular Malformations Diagnosis and Treatment
- Venous Thromboembolism Diagnosis and Management
- Soft tissue tumor case studies
- Transplantation: Methods and Outcomes
- Cardiac Arrhythmias and Treatments
- Trauma Management and Diagnosis
University of California, San Francisco
2012-2024
University of California System
2023
Laboratoire d’Imagerie Biomédicale
2020-2021
Contrast staining of brain parenchyma identified on non-contrast CT performed after DSA in patients with acute ischemic stroke (AIS) is an incompletely understood imaging finding. We hypothesize contrast to be indicator injury and suspect the fate involved cerebral infarction. Seventeen years AIS data were retrospectively analyzed for staining. Charts reviewed outcomes stained subsequent MRI. Thirty-six 67 meeting inclusion criteria (53.7%) had obtained within 72 hours DSA. Brain most often...
Abstract Clubfoot is a common birth defect characterized by inward posturing and rigid downward displacement of one or both feet. The etiology syndromic forms clubfoot varied the causes isolated are not well understood. A microduplication 2.2 Mb on chromosome 17q23.1q23.2 which includes T‐box 4 ( TBX4 ), hindlimb‐specific gene, 16 other genes was recently identified in 3 66 families reported as nonsyndromic clubfoot, but additional non‐foot malformations place them category. Our study...
Abstract Background The impression section integrates key findings of a radiology report but can be subjective and variable. We sought to fine-tune evaluate an open-source Large Language Model (LLM) in automatically generating impressions from the remainder across different imaging modalities hospitals. Methods In this institutional review board-approved retrospective study, we collated dataset CT, US, MRI reports University California San Francisco Medical Center (UCSFMC) ( n = 372,716)...
Hereditary hemorrhagic telangiectasia (HHT) is an autosomal dominant disease that causes vascular malformations in a variety of organs and tissues, including brain AVMs. Because AVMs have the potential to cause disabling or fatal intracranial hemorrhage, detection these lesions before rupture goal screening MR imaging/MRA examinations patients with HHT. Prior studies demonstrated superior sensitivity for HHT-related by using postcontrast imaging sequences as compared MRA alone. We now...
To develop radiology domain-specific bidirectional encoder representations from transformers (BERT) models that can identify speech recognition (SR) errors and suggest corrections in reports.A pretrained BERT model, Clinical BioBERT, was further on a corpus of 114 008 reports between April 2016 August 2019 were retrospectively collected two hospitals. Next, the model fine-tuned training dataset generated insertion, deletion, substitution errors, creating Radiology BERT. This evaluated an...
<h3>BACKGROUND AND PURPOSE:</h3> Patients with hereditary hemorrhagic telangiectasia (HHT) have a high prevalence of brain vascular malformations, putting them at risk for hemorrhage and other complications. Our aim was to evaluate the relative utility MR imaging MRA compared DSA in detecting cerebral AVMs HHT population. <h3>MATERIALS METHODS:</h3> Of 343 consecutive patients evaluated University California, San Francisco HTT Center Excellence, 63 met study inclusion criteria: definite or...
<h3>Importance</h3> Positron emission tomography–computed tomography (PET-CT) has been increasingly used in the management of lung cancer, but its association with survival not convincingly documented. <h3>Objective</h3> To examine use PET-CT non–small cell cancer (NSCLC) mortality US Department Veterans Affairs (VA) health care system from 2000 to 2013. <h3>Design, Setting, and Participants</h3> This cohort study included 64 103 veterans receiving VA who were diagnosed incident NSCLC...
To investigate the effect of rapid rollover technique on risk pneumothorax after CT-guided lung biopsy, which has been shown effective in prior retrospective studies. A prospective, multisite, randomized controlled trial (RCT) progress since institutional review board approval (NCT05342675). All patients referred for biopsy were reviewed. Those with target lesions most amenable to anterior or lateral approach considered inclusion, as posterior naturally roll over biopsies. Exclusion criteria...
Background: Pneumothorax requiring chest tube after CT-guided transthoracic lung biopsy is one of the common complications, and required hospital stay placement represents an added clinical risk to patients cost healthcare system. Identifying high-risk can prompt alternative modes and/or better preparation for more focused post-procedural care. Purpose: To develop externally validate a nomogram pneumothorax following biopsy, leveraging quantitative emphysema algorithm. Materials &...
<title>Abstract</title> Background The impression section integrates key findings of a radiology report but can be subjective and variable. A fine-tuned open-source Large Language Model (LLM) was evaluated in its ability to generate radiological impressions across different imaging modalities hospitals. We sought clinically validate an LLM that automatically generates summarize reports. Methods In this institutional review board-approved retrospective study, we the from remainder report. CT,...
Pleural effusions remain a common postoperative complication following lung transplantation, occurring in 10% to 26% of cases. We aimed explore potential clinical or radiographic features associated with clinically significant post-lung transplant pleural requiring repeat interventions for their management.
Abstract Background Identifying visually and semantically similar radiological images in a database can facilitate the creation of decision support tools, teaching files, research cohorts. Existing content-based image retrieval tools are often limited to searching by pixel-wise difference or vector distance model predictions. Vision transformers (ViT) use attention simultaneously take into account diagnosis visual appearance. Purpose We aim develop ViT-based framework evaluate algorithm on...
There are no formal guidelines for the management of patients with primary gastrointestinal (GI) cancers who have lung-exclusive or lung-predominant metastases. We performed a retrospective analysis to evaluate host and tumor characteristics this patient population, model patterns rates growth, describe treatment approaches.Eligible had GI cancer either synchronous metachronous lung metastases but other visceral peritoneal sites involvement. In addition collecting detailed patient-specific...
Solitary fibrous tumors/hemangiopericytomas (SFT/HPC) are soft tissue tumors that can arise from the abdomen, pleura, head and neck, or extremities. We report an unusual case of recurrent hemangiopericytoma in a 67-year-old female presenting with painless palpable mass within her right posterior neck. Eight years after initial resection mass, follow-up MRI showed multiple enlarging calvarial lesions. A whole body FDG-PET/CT revealed not only hypermetabolic lesions but also numerous axillary...
INTRODUCTION: Brain parenchyma contrast staining on CT after recanalization therapy and digital subtraction angiography (DSA) in large vessel occlusion acute ischemic stroke (LVO-AIS) patients has been demonstrated to be a marker for significant brain injury, possibly indicating blood barrier breakdown or no-reflow phenomena at the capillary level. Most often stained undergoes infarction. We evaluated several DSA parameters order determine if findings time of LVO-AIS intervention can predict...
442 Background: There are no formal guidelines for the management of GI cancer pts with lung-exclusive or lung-predominant metastases (LM), which generally take a more indolent course than metastatic disease occurring at other anatomic sites. We performed retrospective analysis high-volume tertiary care center to evaluate host and tumor characteristics this pt population, describe treatment approaches, model patterns rates growth. Methods: Eligible were identified through Cancer Center...
<h3>Introduction</h3> Hereditary Hemorrhagic Telangiectasia (HHT) is a genetic condition associated with high burden of arteriovenous malformations (AVMs) in multiple organs. Brain AVMs (bAVMs) are particular clinical significance due to the increased risk morbidity and mortality if ruptured. Patients HHT can present bAVMs varying sizes lesions smaller size, while still clinically significant, may not be readily detected on lower field strength MRI scans although they visualized digital...