Scholars@Duke
Benjamin Wildman-Tobriner

Benjamin Wildman-Tobriner

Associate Professor of Radiology
Radiology, Abdominal Imaging
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Selected Publications

Liver fat quantification in photon counting CT in head to head comparison with clinical MRI - First experience.

Journal Article Eur J Radiol · April 2023 PURPOSE: To compare liver fat quantification between MRI and photon-counting CT (PCCT). METHOD: A cylindrical phantom with inserts containing six concentrations of oil (0, 10, 20, 30, 50 and 100%) and oil-iodine mixtures (0, 10, 20, 30 and 50% fat +3 mg/mL ... Full text Link to item Cite

Comparing Survival Outcomes of Patients With LI-RADS-M Hepatocellular Carcinomas and Intrahepatic Cholangiocarcinomas.

Journal Article J Magn Reson Imaging · January 2023 BACKGROUND: There is a sparsity of data evaluating outcomes of patients with Liver Imaging Reporting and Data System (LI-RADS) (LR)-M lesions. PURPOSE: To compare overall survival (OS) and progression free survival (PFS) between hepatocellular carcinoma (H ... Full text Link to item Cite

Clinical and imaging predictors of the natural course of bland portal vein thrombus in cirrhotic patients.

Journal Article Abdom Radiol (NY) · November 2022 BACKGROUND: Portal vein thrombus (PVT) in cirrhotic patients is associated with worsening portal hypertension, leads to increased complexity of necessary interventions such as transjugular liver portosystemic shunt or liver transplantation, and is associat ... Full text Link to item Cite

Artificial Intelligence (AI) Tools for Thyroid Nodules on Ultrasound, From the AJR Special Series on AI Applications.

Journal Article AJR Am J Roentgenol · October 2022 Artificial intelligence (AI) methods for evaluating thyroid nodules on ultrasound have been widely described in the literature, with reported performance of AI tools matching or in some instances surpassing radiologists' performance. As these data have acc ... Full text Link to item Cite

Needle types used in abdominal cross-sectional interventional radiology: a survey of the Society of Abdominal Radiology emerging technology commission.

Journal Article Abdom Radiol (NY) · August 2022 PURPOSE: To identify commonly used needle types in cross-sectional interventional radiology (CSIR) and to review features and safety profiles of those needles. METHODS: Members of the Society of Abdominal Radiology (SAR) emerging technologies commission (E ... Full text Link to item Cite

Comparison of clinical efficacy, subjective user experience, and safety for two different core biopsy needles, the Achieve® and Marquee®.

Journal Article Abdom Radiol (NY) · August 2022 PURPOSE: To compare clinical efficacy, subjective radiologist preference, and complication rates for two different core biopsy needles, the Achieve® and Marquee®. METHODS: Retrospective review included consecutive patients who underwent 18 gauge non-target ... Full text Link to item Cite

Past, present, and future of abdominal radiology fellowship recruitment.

Journal Article Abdom Radiol (NY) · December 2021 The authors provide a commentary on the current status of the Abdominal Radiology Fellowship recruitment process, which is not presently governed by a formal Match. Abdominal Radiology is the largest radiology subspecialty fellowship that remains outside o ... Full text Link to item Cite

Using Radiographic Domain for Evaluating Indications in Abdominal Wall Transplantation.

Journal Article Ann Plast Surg · September 1, 2021 BACKGROUND: There is currently no description of abdominal domain changes in small bowel transplantation population or consensus of criteria regarding which patients are at high risk for immediate postoperative abdominal wall complications or would benefit ... Full text Link to item Cite

Missed Incidental Pulmonary Embolism: Harnessing Artificial Intelligence to Assess Prevalence and Improve Quality Improvement Opportunities.

Journal Article J Am Coll Radiol · July 2021 PURPOSE: Incidental pulmonary embolism (IPE) can be found on body CT. The aim of this study was to evaluate the feasibility of using artificial intelligence to identify missed IPE on a large number of CT examinations. METHODS: This retrospective analysis i ... Full text Link to item Cite

How frequently does hepatocellular carcinoma develop in at-risk patients with a negative liver MRI examination with intravenous Gadobenate dimeglumine?

Journal Article Abdom Radiol (NY) · March 2021 OBJECTIVE: To determine the rate of development of clinically significant liver nodules (LR-4, LR-5, LR-M) after a negative MRI in an HCC screening population. METHODS: This retrospective study included patients at risk of developing HCC requiring imaging ... Full text Link to item Cite

Automated Structured Reporting for Thyroid Ultrasound: Effect on Reporting Errors and Efficiency.

Journal Article J Am Coll Radiol · February 2021 PURPOSE: To compare the effectiveness of different reporting templates using the ACR Thyroid Imaging Reporting and Data System (TI-RADS) for thyroid ultrasound. METHODS: In this retrospective study, four radiologists implemented ACR TI-RADS while dictating ... Full text Open Access Link to item Cite

Hepatic Arterial Infusion Pumps: What the Radiologist Needs to Know.

Journal Article Radiographics · 2021 Hepatic arterial infusion (HAI) entails the surgical implantation of a subcutaneous pump to deliver chemotherapeutic agents directly to the liver in the setting of primary or secondary liver cancer. The purpose of HAI chemotherapy is to maximize hepatic dr ... Full text Link to item Cite

Implementation of a Hepatic Artery Infusion Program: Initial Patient Selection and Perioperative Outcomes of Concurrent Hepatic Artery Infusion and Systemic Chemotherapy for Colorectal Liver Metastases.

Journal Article Ann Surg Oncol · December 2020 BACKGROUND: Hepatic artery infusion (HAI) combined with systemic chemotherapy is a treatment strategy for patients with unresectable liver-only or liver-dominant colorectal liver metastases (CRLM). Although HAI has previously been performed in only a few c ... Full text Link to item Cite

Using the American College of Radiology Thyroid Imaging Reporting and Data System at the Point of Care: Sonographer Performance and Interobserver Variability.

Journal Article Ultrasound Med Biol · August 2020 The purpose of this study was to assess inter-observer variability and performance when sonographers assign features to thyroid nodules on ultrasound using the American College of Radiology (ACR) Thyroid Imaging Reporting and Data System (TI-RADS). Fifteen ... Full text Link to item Cite

Moving Radiology Workflow to the Electronic Health Record: Quantitative and Qualitative Experience From a Large Academic Medical Center.

Journal Article Acad Radiol · February 2020 RATIONALE AND OBJECTIVES: To objectively and subjectively evaluate a large, academic radiology department's transition to electronic health record (EHR) centered workflow. MATERIALS AND METHODS: Multiple metrics were compared from before and after the move ... Full text Link to item Cite

Deep Learning-Based Segmentation of Nodules in Thyroid Ultrasound: Improving Performance by Utilizing Markers Present in the Images.

Journal Article Ultrasound Med Biol · February 2020 Computer-aided segmentation of thyroid nodules in ultrasound imaging could assist in their accurate characterization. In this study, using data for 1278 nodules, we proposed and evaluated two methods for deep learning-based segmentation of thyroid nodules ... Full text Link to item Cite

Computed tomography of the acute abdomen

Journal Article Applied Radiology · November 1, 2019 Cite

Liver fat quantification in photon counting CT in head to head comparison with clinical MRI - First experience.

Journal Article Eur J Radiol · April 2023 PURPOSE: To compare liver fat quantification between MRI and photon-counting CT (PCCT). METHOD: A cylindrical phantom with inserts containing six concentrations of oil (0, 10, 20, 30, 50 and 100%) and oil-iodine mixtures (0, 10, 20, 30 and 50% fat +3 mg/mL ... Full text Link to item Cite

Comparing Survival Outcomes of Patients With LI-RADS-M Hepatocellular Carcinomas and Intrahepatic Cholangiocarcinomas.

Journal Article J Magn Reson Imaging · January 2023 BACKGROUND: There is a sparsity of data evaluating outcomes of patients with Liver Imaging Reporting and Data System (LI-RADS) (LR)-M lesions. PURPOSE: To compare overall survival (OS) and progression free survival (PFS) between hepatocellular carcinoma (H ... Full text Link to item Cite

Clinical and imaging predictors of the natural course of bland portal vein thrombus in cirrhotic patients.

Journal Article Abdom Radiol (NY) · November 2022 BACKGROUND: Portal vein thrombus (PVT) in cirrhotic patients is associated with worsening portal hypertension, leads to increased complexity of necessary interventions such as transjugular liver portosystemic shunt or liver transplantation, and is associat ... Full text Link to item Cite

Artificial Intelligence (AI) Tools for Thyroid Nodules on Ultrasound, From the AJR Special Series on AI Applications.

Journal Article AJR Am J Roentgenol · October 2022 Artificial intelligence (AI) methods for evaluating thyroid nodules on ultrasound have been widely described in the literature, with reported performance of AI tools matching or in some instances surpassing radiologists' performance. As these data have acc ... Full text Link to item Cite

Needle types used in abdominal cross-sectional interventional radiology: a survey of the Society of Abdominal Radiology emerging technology commission.

Journal Article Abdom Radiol (NY) · August 2022 PURPOSE: To identify commonly used needle types in cross-sectional interventional radiology (CSIR) and to review features and safety profiles of those needles. METHODS: Members of the Society of Abdominal Radiology (SAR) emerging technologies commission (E ... Full text Link to item Cite

Comparison of clinical efficacy, subjective user experience, and safety for two different core biopsy needles, the Achieve® and Marquee®.

Journal Article Abdom Radiol (NY) · August 2022 PURPOSE: To compare clinical efficacy, subjective radiologist preference, and complication rates for two different core biopsy needles, the Achieve® and Marquee®. METHODS: Retrospective review included consecutive patients who underwent 18 gauge non-target ... Full text Link to item Cite

Past, present, and future of abdominal radiology fellowship recruitment.

Journal Article Abdom Radiol (NY) · December 2021 The authors provide a commentary on the current status of the Abdominal Radiology Fellowship recruitment process, which is not presently governed by a formal Match. Abdominal Radiology is the largest radiology subspecialty fellowship that remains outside o ... Full text Link to item Cite

Using Radiographic Domain for Evaluating Indications in Abdominal Wall Transplantation.

Journal Article Ann Plast Surg · September 1, 2021 BACKGROUND: There is currently no description of abdominal domain changes in small bowel transplantation population or consensus of criteria regarding which patients are at high risk for immediate postoperative abdominal wall complications or would benefit ... Full text Link to item Cite

Missed Incidental Pulmonary Embolism: Harnessing Artificial Intelligence to Assess Prevalence and Improve Quality Improvement Opportunities.

Journal Article J Am Coll Radiol · July 2021 PURPOSE: Incidental pulmonary embolism (IPE) can be found on body CT. The aim of this study was to evaluate the feasibility of using artificial intelligence to identify missed IPE on a large number of CT examinations. METHODS: This retrospective analysis i ... Full text Link to item Cite

How frequently does hepatocellular carcinoma develop in at-risk patients with a negative liver MRI examination with intravenous Gadobenate dimeglumine?

Journal Article Abdom Radiol (NY) · March 2021 OBJECTIVE: To determine the rate of development of clinically significant liver nodules (LR-4, LR-5, LR-M) after a negative MRI in an HCC screening population. METHODS: This retrospective study included patients at risk of developing HCC requiring imaging ... Full text Link to item Cite

Automated Structured Reporting for Thyroid Ultrasound: Effect on Reporting Errors and Efficiency.

Journal Article J Am Coll Radiol · February 2021 PURPOSE: To compare the effectiveness of different reporting templates using the ACR Thyroid Imaging Reporting and Data System (TI-RADS) for thyroid ultrasound. METHODS: In this retrospective study, four radiologists implemented ACR TI-RADS while dictating ... Full text Open Access Link to item Cite

Hepatic Arterial Infusion Pumps: What the Radiologist Needs to Know.

Journal Article Radiographics · 2021 Hepatic arterial infusion (HAI) entails the surgical implantation of a subcutaneous pump to deliver chemotherapeutic agents directly to the liver in the setting of primary or secondary liver cancer. The purpose of HAI chemotherapy is to maximize hepatic dr ... Full text Link to item Cite

Implementation of a Hepatic Artery Infusion Program: Initial Patient Selection and Perioperative Outcomes of Concurrent Hepatic Artery Infusion and Systemic Chemotherapy for Colorectal Liver Metastases.

Journal Article Ann Surg Oncol · December 2020 BACKGROUND: Hepatic artery infusion (HAI) combined with systemic chemotherapy is a treatment strategy for patients with unresectable liver-only or liver-dominant colorectal liver metastases (CRLM). Although HAI has previously been performed in only a few c ... Full text Link to item Cite

Using the American College of Radiology Thyroid Imaging Reporting and Data System at the Point of Care: Sonographer Performance and Interobserver Variability.

Journal Article Ultrasound Med Biol · August 2020 The purpose of this study was to assess inter-observer variability and performance when sonographers assign features to thyroid nodules on ultrasound using the American College of Radiology (ACR) Thyroid Imaging Reporting and Data System (TI-RADS). Fifteen ... Full text Link to item Cite

Moving Radiology Workflow to the Electronic Health Record: Quantitative and Qualitative Experience From a Large Academic Medical Center.

Journal Article Acad Radiol · February 2020 RATIONALE AND OBJECTIVES: To objectively and subjectively evaluate a large, academic radiology department's transition to electronic health record (EHR) centered workflow. MATERIALS AND METHODS: Multiple metrics were compared from before and after the move ... Full text Link to item Cite

Deep Learning-Based Segmentation of Nodules in Thyroid Ultrasound: Improving Performance by Utilizing Markers Present in the Images.

Journal Article Ultrasound Med Biol · February 2020 Computer-aided segmentation of thyroid nodules in ultrasound imaging could assist in their accurate characterization. In this study, using data for 1278 nodules, we proposed and evaluated two methods for deep learning-based segmentation of thyroid nodules ... Full text Link to item Cite

Computed tomography of the acute abdomen

Journal Article Applied Radiology · November 1, 2019 Cite

Management of Thyroid Nodules Seen on US Images: Deep Learning May Match Performance of Radiologists.

Journal Article Radiology · September 2019 BackgroundManagement of thyroid nodules may be inconsistent between different observers and time consuming for radiologists. An artificial intelligence system that uses deep learning may improve radiology workflow for management of thyroid nodules.PurposeT ... Full text Link to item Cite

Using Artificial Intelligence to Revise ACR TI-RADS Risk Stratification of Thyroid Nodules: Diagnostic Accuracy and Utility.

Journal Article Radiology · July 2019 Background Risk stratification systems for thyroid nodules are often complicated and affected by low specificity. Continual improvement of these systems is necessary to reduce the number of unnecessary thyroid biopsies. Purpose To use artificial intelligen ... Full text Link to item Cite

Common Resident Errors When Interpreting Computed Tomography of the Abdomen and Pelvis: A Review of Types, Pitfalls, and Strategies for Improvement.

Journal Article Curr Probl Diagn Radiol · January 2019 OBJECTIVE: The purpose of this study was to identify common errors that radiology residents make when interpreting abdominopelvic (AP) computed tomography (CT) while on call, to review the typical imaging findings of these cases, and to discuss strategies ... Full text Link to item Cite

Hepatic Heterogeneity and Attenuation on Contrast-Enhanced CT in Patients With the Hypovolemic Shock Complex: Objective Classification Using a Contemporary Cohort.

Journal Article Curr Probl Diagn Radiol · 2019 OBJECTIVE: When objectively measured on computed tomography (CT), does hepatic heterogeneity or overall liver attenuation predict the presence of shock? METHODS: This retrospective study included 73 patients (mean age 33 years) with the hypoperfusion shock ... Full text Link to item Cite

DIfferential Subsampling With Cartesian Ordering With Respiratory Triggering Versus Conventional Liver Acquisition With Volume Acquisition: A Multiple Reader Preference Study.

Journal Article J Comput Assist Tomogr · 2019 OBJECTIVE: The aim of this study was to compare respiratory-triggered DIfferential Subsampling with Cartesian Ordering (rtDISCO) and breath-held Liver Acquisition with Volume Acquisition (LAVA) image quality. METHODS: In this institutional review board-app ... Full text Link to item Cite

Evaluating Resident On-Call Performance: Does Volume Affect Discrepancy Rate?

Journal Article Curr Probl Diagn Radiol · November 2018 OBJECTIVE: To examinehow study volume affects discrepancy rates for on-call radiology residents. Inparticular, we studied how both total shift volume and volume at a particularpoint in time might effect performance. MATERIALS/METHODS: Weretrospectively ana ... Full text Link to item Cite

Association Between Magnetic Resonance Imaging-Proton Density Fat Fraction and Liver Histology Features in Patients With Nonalcoholic Fatty Liver Disease or Nonalcoholic Steatohepatitis.

Journal Article Gastroenterology · November 2018 BACKGROUND & AIMS: Patients with nonalcoholic fatty liver disease (NAFLD) or nonalcoholic steatohepatitis (NASH) often require histologic assessment via liver biopsy. Magnetic resonance imaging (MRI)-based methods for measuring liver triglycerides based on ... Full text Link to item Cite

Splenic contraction: a new member of the hypovolemic shock complex.

Journal Article Abdom Radiol (NY) · September 2018 OBJECTIVE: The objective of the article is to assess changes in splenic volume in the setting of hypovolemic shock; splenic enhancement in hypovolemic shock is also assessed. MATERIALS/METHODS: 71 consecutive adult patients with the hypovolemic shock compl ... Full text Link to item Cite

Using the American College of Radiology Dose Index Registry to Evaluate Practice Patterns and Radiation Dose Estimates of Pediatric Body CT.

Journal Article AJR Am J Roentgenol · March 2018 OBJECTIVE: Imaging registries afford opportunities to study large, heterogeneous populations. The purpose of this study was to examine the American College of Radiology CT Dose Index Registry (DIR) for dose-related demographics and metrics of common pediat ... Full text Link to item Cite

Pediatric providers and radiology examinations: knowledge and comfort levels regarding ionizing radiation and potential complications of imaging.

Journal Article Pediatr Radiol · December 2017 BACKGROUND: Pediatric providers should understand the basic risks of the diagnostic imaging tests they order and comfortably discuss those risks with parents. Appreciating providers' level of understanding is important to guide discussions and enhance rela ... Full text Link to item Cite

Structured reporting of CT enterography for inflammatory bowel disease: effect on key feature reporting, accuracy across training levels, and subjective assessment of disease by referring physicians.

Journal Article Abdom Radiol (NY) · September 2017 PURPOSE: To compare the content and accuracy of structured reporting (SR) versus non-structured reporting (NSR) for computed tomographic enterography (CTE) of inflammatory bowel disease (IBD). MATERIALS AND METHODS: This IRB-approved, HIPAA-compliant, retr ... Full text Link to item Cite

Mean What You Say and Say What You Mean

Journal Article Journal of the American College of Radiology · July 2017 Full text Cite

Structured Reporting of Magnetic Resonance Enterography for Pediatric Crohn's Disease: Effect on Key Feature Reporting and Subjective Assessment of Disease by Referring Physicians.

Journal Article Curr Probl Diagn Radiol · 2017 PURPOSE: To objectively compare the content of structured reports (SR) vs nonstructured reports (NSR) for magnetic resonance enterography (MRE) of pediatric patients with Crohn's disease, and to evaluate referring clinicians' subjective assessment of repor ... Full text Link to item Cite

Intra-articular osteoid osteoma at the femoral trochlea treated with osteochondral autograft transplantation

Journal Article Journal of Radiology Case Reports · June 24, 2016 We present the case of an intra-articular osteoid osteoma at the femoral trochlea. Intra-articular osteoid osteoma can present a diagnostic challenge both clinically and with imaging because it presents differently from the classic cortical osteoid ... Full text Cite

Design, implementation, and demographic differences of HEAL: a self-report health care leadership instrument.

Journal Article J Healthc Leadersh · 2016 The medical community has recognized the importance of leadership skills among its members. While numerous leadership assessment tools exist at present, few are specifically tailored to the unique health care environment. The study team designed a 24-item ... Full text Link to item Cite

Thrombospondins 1 and 2 are necessary for synaptic plasticity and functional recovery after stroke.

Journal Article J Cereb Blood Flow Metab · October 2008 Thrombospondins 1 and 2 (TSP-1/2) belong to a family of extracellular glycoproteins with angiostatic and synaptogenic properties. Although TSP-1/2 have been postulated to drive the resolution of postischemic angiogenesis, their role in synaptic and functio ... Full text Link to item Cite