Dr. Annika Keulers

Clinical News
Medical detective work: Identifying the unidentified
Nothing happens without interdisciplinary cooperation at Marburg University Clinic's new Unidentified Diseases Centre in Germany. Dr. Annika Keulers explains about the fascinating work going on in the facility.
July 9, 2014
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Top Stories
Pexels Cristian Rojas 8460378
Womens Imaging
Gender disparities persist in radiology despite progress, ESR survey finds
Women were far more likely than men to view gender as a career disadvantage, while differences between European regions suggest opportunities for improvement.
New research suggests the CT component of PET/CT, rather than the FDG tracer, is associated with measurable chromosome damage.
Molecular Imaging
CT dose, not FDG, drives chromosome damage during PET/CT
Preschoolers
Digital X-Ray
Are chest x-rays useful in children with recurrent wheezing?
The European Parliament in Brussels approved the EU AI Act in 2024, establishing a risk-based regulatory framework for artificial intelligence, including high-risk medical AI systems.
AI
EU AI Act brings radiology AI oversight into daily practice
Illustration of musculoskeletal x-ray imaging. New European guidance aims to harmonize imaging protocols for osteosarcoma and Ewing sarcoma.
Molecular Imaging
European guideline aims to harmonize bone sarcoma imaging
More in Home
Gender disparities persist in radiology despite progress, ESR survey finds
By Claudia Tschabuschnig
Women were far more likely than men to view gender as a career disadvantage, while differences between European regions suggest opportunities for improvement.
July 23, 2026
Pexels Cristian Rojas 8460378
CT dose, not FDG, drives chromosome damage during PET/CT
By Claudia Tschabuschnig
July 22, 2026
New research suggests the CT component of PET/CT, rather than the FDG tracer, is associated with measurable chromosome damage.
Are chest x-rays useful in children with recurrent wheezing?
By Will Morton
Recurrent wheezing affects roughly half of all children under three years old.
July 22, 2026
Preschoolers
EU AI Act brings radiology AI oversight into daily practice
By Claudia Tschabuschnig
A new opinion paper calls on European imaging departments to strengthen AI auditing and monitoring in patient care.
July 21, 2026
The European Parliament in Brussels approved the EU AI Act in 2024, establishing a risk-based regulatory framework for artificial intelligence, including high-risk medical AI systems.
European guideline aims to harmonize bone sarcoma imaging
By Claudia Tschabuschnig
Rare bone cancers have lacked a common imaging framework across pediatric and adult care.
July 20, 2026
Illustration of musculoskeletal x-ray imaging. New European guidance aims to harmonize imaging protocols for osteosarcoma and Ewing sarcoma.
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).
MRI could replace DRE for prostate cancer staging
By Amerigo Allegretto
MRI showed comparable performance to DRE in prostate cancer staging without compromising patient outcomes.
July 15, 2026
Prostate Cancer 400
Incorrect AI suggestions influence reader performance on mammography
By Amerigo Allegretto
The biggest impact on reader performance stemmed from false-negative AI suggestions.
July 14, 2026
A normal mammogram confirmed by three-year radiologic follow-up illustrates reader-marked regions of interest (ROIs) during (A) unaided (round 1) and (B) artificial intelligence (AI)–assisted (round 2) reading. Each colored dot represents an ROI for recall by a human reader. Readers could mark more than one ROI per case, represented by multiple dots of the same color. During AI-assisted reading, the AI system displayed three visible prompts: two with suspicion of malignancy scores of 35% (left mediolateral oblique [L MLO] and craniocaudal [L CC]) and one with a suspicion of malignancy score of 10% (right craniocaudal [R CC]), shown as polygonal overlays. Without AI, six of 10 readers (60%) marked a false-positive ROI. With AI assistance, this fell to two of 10 (20%). R MLO = right mediolateral oblique.
Large Korean study adds evidence on contrast media hypersensitivity
By Claudia Tschabuschnig
A Korean study of almost 116,000 contrast media recipients adds new evidence on hypersensitivity risk factors, but a European expert says the findings should be interpreted in the context of current European practice.
July 14, 2026
Iodinated contrast media are among the most commonly administered agents in radiology.
MRI shows higher neuro symptom burden for former football players
By Amerigo Allegretto
Former elite football players have lower white matter volume and report higher levels of depression and anxiety.
July 13, 2026
Voxel-based morphometry (VBM) group comparison of grey matter brain volumes. TFCE-corrected significance map shown (one-tailed t-test; higher significance indicated by light blue color). (a) Comparison between ex-soccer players (n = 124) and controls (n = 40). (b) Comparison between ex-rugby players (n = 200) and controls (n = 33) from Graham & Zimmerman et al. (2025), reproduced with permission under Creative Commons license.
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