Dr. Tan-Lucien Hassan Mohammed

Residents/Fellows
6 Steps to Radiology: Part 1 -- Where do I sign up?
6 Steps to Radiology is a series of six articles that will run throughout the 2018-2019 academic year to help medical students find their ideal radiology residency program. In our first article, Dr. Tan-Lucien Hassan Mohammed of the University of Florida offers tips for polishing your application.
June 17, 2018
2018 06 15 21 50 1414 Six Steps To Radiology Residency
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Top Stories
Prostate Imaging
Nuclear Medicine
Lutetium-177 PSMA-617 shows promise in earlier-stage prostate cancer
Across 14 studies, PSA50 response rates (the number of patients with at least a 50% drop in PSA) ranged from 44% to 100%.
Mri Brain Head 400
MRI
MRI reveals links between brain aging, neuro disorders
Lung Cancer
CT
LDCT screening criteria miss majority of Korean lung cancer patients
Acute pulmonary embolism (PE) with right ventricle (RV) enlargement and clot-in-transit. PE chest axial CT angiography images demonstrate pulmonary embolus in the right pulmonary artery (white solid arrow), an enlarged RV (dotted arrow), and thrombus transiting through the right atrium (black arrows), PE-RADS 4/RV+/T+. The “4” refers to the PE‑RADS ordinal category for the most proximal clot location (central arteries). “RV+” indicates RV enlargement (RV to left ventricle ratio ≥ 1.0). “T+” indicates definitive thrombus identified in the right atrium and/or RV.
MRI
ACR rolls out PE-RADS for pulmonary embolism care
Adobe Stock 517622853
CT
CT reveals severe craniofacial, ocular trauma from pager blasts
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Lutetium-177 PSMA-617 shows promise in earlier-stage prostate cancer
By Will Morton
Across 14 studies, PSA50 response rates (the number of patients with at least a 50% drop in PSA) ranged from 44% to 100%.
July 21, 2026
Prostate Imaging
MRI reveals links between brain aging, neuro disorders
By Amerigo Allegretto
MRI shows that people with neurological conditions show increased brain aging.
July 21, 2026
Mri Brain Head 400
LDCT screening criteria miss majority of Korean lung cancer patients
By Will Morton
Just 35.4% of patients diagnosed with lung cancer met the 2023 American Cancer Society (ACS) screening criteria.
July 21, 2026
Lung Cancer
ACR rolls out PE-RADS for pulmonary embolism care
By Amerigo Allegretto
The framework outlines grading and suggestions for CT and MRI angiography interpretation.
July 21, 2026
Acute pulmonary embolism (PE) with right ventricle (RV) enlargement and clot-in-transit. PE chest axial CT angiography images demonstrate pulmonary embolus in the right pulmonary artery (white solid arrow), an enlarged RV (dotted arrow), and thrombus transiting through the right atrium (black arrows), PE-RADS 4/RV+/T+. The “4” refers to the PE‑RADS ordinal category for the most proximal clot location (central arteries). “RV+” indicates RV enlargement (RV to left ventricle ratio ≥ 1.0). “T+” indicates definitive thrombus identified in the right atrium and/or RV.
CT reveals severe craniofacial, ocular trauma from pager blasts
By Will Morton
Head injuries were nearly universal, affecting 93.2% of patients.
July 20, 2026
Adobe Stock 517622853
Tau PET tracer flags early Alzheimer risk in healthy older adults
By Will Morton
Few studies have investigated how F-18 PI-2620 is associated with memory performance or AD-related biomarkers in cognitively unimpaired older adults.
July 17, 2026
F-18 PI-2620 average binding potential maps. Mean tracer binding (DVR) image from 165 older adults (A) and 13 young adults (B). Images are scaled from 1 to 1.8 for display purposes, but DVR values of less than 1 were frequently observed.
Radiologists can identify three out of four AI-generated images
By Amerigo Allegretto
Radiologists found it particularly difficult to distinguish between real and AI-generated CT and MR images.
July 17, 2026
Top eight incorrectly classified synthetic images (Most convincing fake images). Images A, B, C, D, E, F, G and H were the most infrequently correctly classified images at 24%, 43%, 59%, 64%, 69%, 71%, 71% and 73% respectively. All images are AI-generated. Images A, B and C are head CTs. Images D and E are chest CTs. Image F is a cardiac CT. Image G is a musculoskeletal MRI. Image H is a head MRI. Images are republished under a Creative Commons license (CC BY 4.0).
Women's Imaging MinnieCast, Episode 13: Partial breast irradiation in the spotlight
By Amerigo Allegretto
Two committee members for ASTRO's PBI guidelines share insights about this breast cancer treatment option.
July 17, 2026
Minnie Cast Thumbnail (15)
Radiology dominates thirty years of FDA AI device approvals
By Will Morton
The total annual authorization volume increased from a mean of 1.8 per year between 1995 and 2014 to 264 per year between 2023 and 2025.
July 16, 2026
Annual and cumulative FDA authorizations of AI/ML-enabled medical devices, 1995–2025.
Petition seeks to increase number of attempts for taking ARRT exam
By Amerigo Allegretto
The petition has received over 10,000 signatures as of July 16.
July 16, 2026
Student Doctor Laptop Test 400 (1)
Societies applaud introduction of Patients First Act
By AuntMinnie.com staff writers
The bill includes provisions affecting imaging appropriate use criteria (AUC), the Medicare conversion factor, and the Quality Payment Program (QPP).
July 16, 2026
Congress
2027 MPFS proposed rule would lift radiology reimbursement
By AuntMinnie.com staff writers
If finalized, the proposed rule is expected to hike reimbursement by 2% for radiology, 2% for nuclear medicine, 3% for interventional radiology, and 3% for radiation oncology.
July 15, 2026
Money
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