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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Molecular Imaging
ChatGPT matches nuclear medicine experts on FDG-PET/CT scans
Models excelled on cases with well-defined metabolic patterns, such as in typical cases of Alzheimer's disease, yet were less accurate on complex cases.
Dr. Benoît Rizk
AI
"You'll never walk alone": Benoît Rizk on how to make radiology AI work
Example radiographs with different labels for 'pulmonary congestion,' 'pleural effusion,' 'pulmonary opacities,' and 'atelectasis.'
Digital X-Ray
New x-ray dataset helps clinicians develop pathology detection AI
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ECR 2026
How interventional radiology is making radiation visible
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ChatGPT matches nuclear medicine experts on FDG-PET/CT scans
By Will Morton
Models excelled on cases with well-defined metabolic patterns, such as in typical cases of Alzheimer's disease, yet were less accurate on complex cases.
April 24, 2026
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"You'll never walk alone": Benoît Rizk on how to make radiology AI work
By Claudia Tschabuschnig
At 3R Swiss Imaging Network, Dr. Benoît Rizk works at the center of real-world AI in radiology. In this video interview he shares why governance and integration matter more than the models themselves, and why the profession needs to have an honest conversation about the decade ahead.
April 24, 2026
Dr. Benoît Rizk
New x-ray dataset helps clinicians develop pathology detection AI
By Kate Madden Yee
ICUs rely heavily on bedside chest x-ray to monitor patients, and the dataset could offer support for radiologic assessment.
April 23, 2026
Example radiographs with different labels for 'pulmonary congestion,' 'pleural effusion,' 'pulmonary opacities,' and 'atelectasis.'
How interventional radiology is making radiation visible
By Claudia Tschabuschnig
A live demonstration at ECR 2026 showed how virtual-reality (VR) training makes radiation visible in real time, and why neuro-interventional procedures demand a level of dose awareness the field is now trying to operationalize.
April 23, 2026
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GAE benefits may just be ‘placebo effect’
By Will Morton
Patients who received either genicular artery embolization (GAE) or a sham procedure experienced equal pain improvements.
April 22, 2026
Contrast-enhanced T1 weSPGR images of the knee of a patient from the GAE group at the level of the suprapatellar recess. The baseline image (left) shows a marked synovial enhancement. There was no change one month after treatment (middle image) and four months after treatment (right image).
IR still trains radiation safety like it's 2010. A new guideline wants to change that.
By Claudia Tschabuschnig
The first major update to the CIRSE/SIR occupational radiation protection guidelines in 16 years calls for a team-based, continuous approach and challenges a field that has long treated safety as a compliance checkbox.
April 22, 2026
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From workflow to ablation: Where AI and robotics are quietly landing in IR
By Claudia Tschabuschnig
A robot in France, a physician in Florida, and the IR procedures that are already changing hands.
April 21, 2026
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AI tools will speed up emergency diagnosis, but must be tested
By Frances Rylands-Monk
A session at ECR 2026 offered an overview on AI tools in thoracic emergencies.
April 20, 2026
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Video: RöKo 2026 presidents aim to push radiology beyond the reading room
By Claudia Tschabuschnig
Radiology is central to patient care, but often invisible. In a preview interview, RöKo 2026 presidents Prof. Dr. Saif Afat and Dr. Daniel Pinto dos Santos explain how they want to change that, with debate-driven formats, a stronger focus on visibility, and a shift toward prevention and policy.
April 17, 2026
Roko Interview 17 April
GPT-4o matches experienced radiologists for follow-up imaging recs
By Kate Madden Yee
The AI model matched the performance of radiologist readers in recommending follow-up imaging from routine radiology reports.
April 17, 2026
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How best to characterize CT lung findings after radiation therapy
By Kate Madden Yee
Serial chest CT is cornerstone of post-RT surveillance, but "accurate interpretation is critical to avoid misdiagnosis."
April 17, 2026
Acute radiation-induced pneumonitis after SBRT (65 Gy, four fractions) in a 53-year-old woman with leiomyosarcoma of the uterus with a left lower lobe metastasis manifesting as a small nodule (not shown). (A) Axial dosimetric reconstruction of a CT image obtained for SBRT planning shows the metastasis receiving the maximal isodose (6500 cGy). (B) Axial CT image obtained 12 months after completion of RT shows focal ground-glass and consolidative opacities confined to the treatment plan (arrow). Note that acute lung injury with SBRT typically manifests later than with conventional RT (i.e., >12 weeks after completion of therapy), and in 25% of patients, the first CT manifestations occur more than one year after completion of RT.
Cancer screening in transgender patients should follow anatomy, not gender marker alone
By Claudia Tschabuschnig
Retained organs, altered anatomy, and hormone therapy are reshaping cancer imaging pathways in transgender patients, speakers said at ECR 2026.
April 16, 2026
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