Dr. Matt Dyson

Breast
How to overcome myths about mammography
In the last 10 years, we have witnessed growing negativity regarding mammography screening. Dr. Matt Dyson of Catawba Radiology offers tips on how to talk to patients about their fears and concerns toward breast screening.
January 25, 2021
2021 01 23 01 46 4668 Patient Mammography Woman Tech 400
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CT
CT 5-star quality rating system supports optimization
The rating framework demonstrated robust reproducibility, with three-reader concordance reaching up to 93% in highly standardized centers.
Radiological Report 400
Ultrasound
READ-DVT model performs well in finding DVT from ultrasound reports
Dexa
Digital X-Ray
Bone scan testing has fallen 35% among Medicare beneficiaries
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MRI
MRI-based models may predict atypical brain development in children
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CT 5-star quality rating system supports optimization
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The rating framework demonstrated robust reproducibility, with three-reader concordance reaching up to 93% in highly standardized centers.
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Radiation Symbol
READ-DVT model performs well in finding DVT from ultrasound reports
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The AI model accurately identified the presence or absence of deep vein thrombosis on unstructured ultrasound reports.
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Radiological Report 400
Bone scan testing has fallen 35% among Medicare beneficiaries
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Declines in testing were greatest among certain underserved groups.
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Dexa
MRI-based models may predict atypical brain development in children
By Amerigo Allegretto
The models could provide a framework for identifying which adolescents are at higher risk of developing psychiatric conditions.
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Child Girl Stuffed Animal 400
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SDMS President Aubrey Rybyinski discusses how clinics can address sonographer vacancies.
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Avoiding the ED cuts urgent CT turnaround time by half
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This is the first reported pilot of an expedited outpatient direct-to-CT imaging program designed to promote ED avoidance.
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VLMs miss most lung nodules on chest x-rays
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Findings indicate poor performance of six VLMs for lung nodule detection on chest x-rays.
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Patient-friendly radiology reports improve family comprehension
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Terminology in radiology reports can be difficult for patients and families to comprehend.
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Pediatric Imaging
Early CTA leads to improved stroke outcomes for patients with BCVI
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Early CTA is linked to reduced stroke, decreased complications, and reduced intensive care unit length of stay.
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Ct Scanner 400
Most histotripsy procedures used for metastatic disease treatment
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Trends suggest that histotripsy has low rates of procedure-related complications and is mostly performed in outpatient settings.
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Imaging turnaround times continued to climb in 2024
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The largest increases were found in ultrasound and x-ray.
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DBT-based foundational model classifies breast density
By Amerigo Allegretto
DBT-DINO showed strong performance in classifying breast density from DBT images.
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(A) Free-response receiver operating characteristic (FROC) curve for DBT-DINO and DINOv2 (Meta AI) on the detection task. DINOv2 achieved higher sensitivity than DBT-DINO across most false-positive thresholds. (B) Detection rates of DBT-DINO and DINOv2 for lesions that were ultimately found to be benign (n = 70) and lesions that were found to be cancerous (n = 66). Error bars represent 95% CIs estimated via patient-level bootstrapping with 1000 repetitions. Both models showed similar detection rates for cancerous lesions, whereas DINOv2 detected more benign lesions than DBT-DINO. (C) Example bounding box predictions for DBT-DINO and DINOv2 on the detection test set. Each image is a single two-dimensional section from a three-dimensional digital breast tomosynthesis volume; the first column shows a mediolateral oblique view, and the second and third columns show craniocaudal views. Both models struggled to detect very small lesions, such as the 3-mm-diameter lesion shown in the first column. FP = false positive.
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