Dr. Hooman Noorchashm, PhD

Ultrasound
Why we need a BI-RADS-like system for uterine tumors
Does radiology need a scoring system like BI-RADS for tracking uterine tumors? In this Second Opinion article, Dr. Hooman Noorchashm, PhD, proposes just such a system, which he believes is necessary after a painful personal experience: the death of his wife, Dr. Amy Josephine Reed, from a uterine soft-tissue sarcoma.
February 3, 2019
2016 10 11 13 31 21 852 Am Second Opinion 400
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Top Stories
Kaustav Bera, MD, discussed the rise of the radiologist-developer with AuntMinnie. In June, Bera will complete an abdominal imaging fellowship at Case Western Reserve University and plans to continue as an abdominal imager at Case Western.
AI
Imaging fellow tries vibe coding to solve radiology challenges
Vibe coding outside the radiology department led to exploring real-world use cases.
Mark Griswold, PhD
ISMRM 2026
ISMRM annual meeting in Cape Town to highlight South African 'Ubuntu'
Illustrations show the role of angiosome-to-tumor volume ratio (ATR) in different clinical scenarios based on tumor and treatment angiosome volume. The pale orange oval represents the tumor within the liver, and the pie-shaped region encompassed by the black lines represents the angiosome. (A) An adequate ATR (≥16) is reached when treating tumor and an accompanying appropriate volume of expendable surrounding normal parenchyma, such as a 2.5-cm tumor within a 150-mL treatment angiosome. Lower (inadequate) ATR can occur with superselective administrations, such as (B) attempting to treat a larger (4-cm) tumor within the same 150-mL angiosome, which proves suboptimal, and (C) attempting to treat the same 2.5-cm tumor within a reduced angiosome (40 mL).
Interventional
Radiation segmentectomy can be optimized before liver transplant
Pacemaker Heart 400
Womens Imaging
Cardiac devices affect mammography image quality
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Imaging fellow tries vibe coding to solve radiology challenges
By Liz Carey
Vibe coding outside the radiology department led to exploring real-world use cases.
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Kaustav Bera, MD, discussed the rise of the radiologist-developer with AuntMinnie. In June, Bera will complete an abdominal imaging fellowship at Case Western Reserve University and plans to continue as an abdominal imager at Case Western.
ISMRM annual meeting in Cape Town to highlight South African 'Ubuntu'
By Kate Madden Yee
A term helps define ISMRM's goal of building stronger, more interconnected community.
May 6, 2026
Mark Griswold, PhD
Radiation segmentectomy can be optimized before liver transplant
By Will Morton
As of 2023, yttrium 90 (Y-90) radioembolization has become the most frequently used local-regional therapy in the U.S. for bridging patients with HCC to liver transplant.
May 5, 2026
Illustrations show the role of angiosome-to-tumor volume ratio (ATR) in different clinical scenarios based on tumor and treatment angiosome volume. The pale orange oval represents the tumor within the liver, and the pie-shaped region encompassed by the black lines represents the angiosome. (A) An adequate ATR (≥16) is reached when treating tumor and an accompanying appropriate volume of expendable surrounding normal parenchyma, such as a 2.5-cm tumor within a 150-mL treatment angiosome. Lower (inadequate) ATR can occur with superselective administrations, such as (B) attempting to treat a larger (4-cm) tumor within the same 150-mL angiosome, which proves suboptimal, and (C) attempting to treat the same 2.5-cm tumor within a reduced angiosome (40 mL).
Cardiac devices affect mammography image quality
By Amerigo Allegretto
Cardiac implantable electronic devices may have a negative impact on mammography image quality and lead to repeat imaging.
May 5, 2026
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MRI reveals how hidden muscle fat increases risk to heart, metabolism
By Kate Madden Yee
The results suggest that MRI exams could "augment traditional risk factor screening," researchers noted.
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Fat Tissue
Whole body MRI, deep-learning can 'map' distribution of fat and muscle
By Kate Madden Yee
The map shows that the quality and amount of skeletal muscle, not just visceral fat, are strong predictors of disease.
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Overview of the study design. (A) The fully automated deep learning framework was developed to estimate body composition (BC) (defined as subcutaneous adipose tissue [SAT] in liters; visceral adipose tissue [VAT] in liters; skeletal muscle [SM] in liters; SM fat fraction [SMFF] as a percentage; and intramuscular adipose tissue [IMAT] in deciliters) from MRI. The fully automated framework comprised one model (model 1) to quantify different BC measures (SAT, VAT, SM, SMFF, and IMAT) as three-dimensional (3D) measures from whole-body MRI scans. The second model (model 2) was trained to identify standardized anatomic landmarks along the craniocaudal body axis (z coordinate field), which allowed for subdividing the whole-body measures into different subregions typically examined on clinical routine MRI scans (chest, abdomen, and pelvis). (B) BC was quantified from whole-body MRI in over 66,000 individuals from two large population-based cohort studies, the UK Biobank (UKB) (36,317 individuals) and the German National Cohort (NAKO) (30,291 individuals). Bar graphs show age distribution by sex and cohort. BMI = body mass index. (C) After the performance assessment of the fully automated framework, the change in BC measures, distributions, and profiles across age decades were investigated. Age-, sex-, and height-adjusted body composition reference curves were calculated and made publicly available in a web-based z-score calculator (https://circ-ml.github.io).
Podcast: Twisted litigation of fatal MRI accident at open MRI center
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AI triage flags half of screen-detected cancers in top 2% of scans
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AI could flag high-suspicion exams for priority reading, potentially enabling same-day diagnostic mammography.
May 4, 2026
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Will upright radiotherapy become a new standard?
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Multiple commercial upright systems have entered the market in recent years.
May 4, 2026
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DL model outperforms breast density in measuring women's cancer risk
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A DL model outperformed breast density in estimating future breast cancer risk.
May 4, 2026
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Chinese scientists develop wearable brain PET system
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The system could offer new opportunities for brain PET imaging beyond the constraints of conventional static systems.
May 1, 2026
(A) System comprises detectors and silicon photomultipliers with custom Hoffman brain phantom. (B) Seated-position scanning. (C) Backpack system permitting data collection in ambulatory states. (D) Workstation scenario demonstrating natural seated use.
Reducing head-neck CTA contrast by 40% saves costs, preserves quality
By Kate Madden Yee
"Standardized contrast dose reduction for [head-neck] CTA is feasible, sustainable, and does not compromise imaging."
May 1, 2026
Contrast Filters
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