Dr. Juhana Hakumäki, PhD

Clinical News
Radiology chief at Karolinska issues rebuttal to Maverinck
The managing director for imaging and physiology at Karolinska University Hospital, Dr. Juhana Hakumäki, PhD, responds to last week's Maverinck column about the controversy swirling around recent construction at the world-famous hospital in Stockholm.
August 13, 2019
2019 08 14 17 02 5879 Norderman Anders 20190814170042
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A visual abstract of the study.
Molecular Imaging
PET/MRI can reduce the need for biopsies in prostate cancer
Prostate biopsies are associated with considerable morbidity, including pain, rectal bleeding, prostatitis, and urinary tract infections.
The Safe Hearts Plan aims to shift healthcare systems toward prevention, earlier diagnosis, and more personalized care.
CT
Imaging takes center stage in Europe's Safe Hearts Plan
Dr. Aart J. van der Molen, of Leiden University Medical Center in Leiden, the Netherlands, is the lead author of a review exploring side-chain chemistry as a guide for selecting alternative iodine-based contrast media.
CT
Can side-chain chemistry help radiologists choose a safer contrast agent after a hypersensitivity reaction?
Patient Cancer Doctor 400 (1)
AI
Most patients want to know if AI being used for imaging reports
An example of machine learning–based multiorgan body composition assessment (TotalSegmentator V2.0.4, 1.5-mm high-resolution model) in a 63-year-old man with obstructive coronary artery disease and a skeletal muscle attenuation below the median. (A) Transverse, (B) coronal, and (C) sagittal CT images and curved planar reformations of the (D) left, (E) circumflex, and (F) right coronary arteries.
CT
Low muscle density on coronary CT linked to heart risk
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PET/MRI can reduce the need for biopsies in prostate cancer
By Will Morton
Prostate biopsies are associated with considerable morbidity, including pain, rectal bleeding, prostatitis, and urinary tract infections.
July 2, 2026
A visual abstract of the study.
Imaging takes center stage in Europe's Safe Hearts Plan
By Claudia Tschabuschnig
Radiology and nuclear medicine are poised to play a central role in implementing the European Commission's Safe Hearts Plan, speakers said during a joint ESR/EANM event in Brussels.
July 2, 2026
The Safe Hearts Plan aims to shift healthcare systems toward prevention, earlier diagnosis, and more personalized care.
Can side-chain chemistry help radiologists choose a safer contrast agent after a hypersensitivity reaction?
By Claudia Tschabuschnig
Choosing an alternative contrast agent after an allergic reaction often falls to clinical judgment. A new review examines whether side-chain chemistry can make that decision a little more evidence based.
July 1, 2026
Dr. Aart J. van der Molen, of Leiden University Medical Center in Leiden, the Netherlands, is the lead author of a review exploring side-chain chemistry as a guide for selecting alternative iodine-based contrast media.
Most patients want to know if AI being used for imaging reports
By Amerigo Allegretto
Most patients want disclosure about whether AI is being used for their imaging reports.
June 30, 2026
Patient Cancer Doctor 400 (1)
Low muscle density on coronary CT linked to heart risk
By Will Morton
Patients with skeletal muscle attenuation below the median had a higher risk of mortality and myocardial infarction.
June 30, 2026
An example of machine learning–based multiorgan body composition assessment (TotalSegmentator V2.0.4, 1.5-mm high-resolution model) in a 63-year-old man with obstructive coronary artery disease and a skeletal muscle attenuation below the median. (A) Transverse, (B) coronal, and (C) sagittal CT images and curved planar reformations of the (D) left, (E) circumflex, and (F) right coronary arteries.
More work than relief: AI in the wrong seat, RCR census finds
By Claudia Tschabuschnig
AI adoption is climbing fast across U.K. radiology and cancer services, but put in the wrong room, it creates more noise than signal.
June 29, 2026
AI adoption is growing across UK imaging and cancer services, but workforce shortages persist-
U.K. radiologist staffing lags EU peers, RCR census shows
By Claudia Tschabuschnig
A growing shortage of radiologists, surging imaging demand, and mounting reliance on costly temporary staffing are placing increasing pressure on U.K. imaging services, according to the Royal College of Radiologists' latest workforce census.
June 25, 2026
The 2025 census report from the Royal College of Radiologists highlights the challenges facing services across the UK.
PET/CT could improve margin assessment for breast tumors
By Amerigo Allegretto
Specimen PET/CT imaging outperforms routine intraoperative margin assessment in breast tumors.
June 19, 2026
Pet Scan Patient 400 (1)
One conference, three lessons
By Dr. Giles Maskell
Sharing mistakes can be an important learning experience for radiologists, according to a new column from Dr. Giles Maskell.
June 18, 2026
Maskell Giles 2020 400
Single-fraction SBRT a valid option for localized prostate cancer
By Will Morton
Estimated three-year biochemical relapse-free survival was 92.9%.
June 18, 2026
Prostate Imaging
WHO: Europe's healthcare systems face "permacrisis"
By Claudia Tschabuschnig
Overlapping shortages, an aging population, and a workforce "voting with its feet" -- "permacrisis," that's how WHO Europe described the state of healthcare on the continent at the inaugural UEMS Congress in Leuven.
June 18, 2026
'We are no longer preparing for crises. We are actively navigating an era of permanent, overlapping disruptions, the convergence of rapid climate change, demographic shifts, systemic economic uncertainty, and a critical healthcare workforce means that traditional boundaries of healthcare are obsolete,' says Pavlos Theodorakis, senior health policy advisor at the WHO European Office.
German MRI concept aims to transform pediatric imaging
By Claudia Tschabuschnig
Why pediatric MRI still means anesthesia for too many children and how the field is trying to change that.
June 17, 2026
As part of the KidsMRI project, children are to be introduced to the examination using age-appropriate training and support concepts, with the aim of enabling MRI scans to be performed more often without anesthesia in the future.
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