Clinical News

MRI finds perfusion defects across a range of lung impairments
By Kate Madden Yee
Impaired lung function is associated with increased pulmonary perfusion defects detectable by a particular MRI technique.
June 4, 2026
Caption: Representative images show emphysema and functional lung maps derived by CT and PREFUL-MRI: (A–C) CT-derived emphysema images, (D–F) perfusion maps, (G–I) regional ventilation maps, (J–L) flow-volume loop correlation metric maps, (M–O) ventilation/perfusion combined parameter maps. (A, D, G, J, M) Images in a 63-year-old male with normal spirometry: FEV1%pred = 89.0%, FEV1/FVC = 0.73; emphysema percentage = 0.2%, QDP = 7%, VDPRVent = 2%, VDPFVL-CM = 1%. (B, E, H, K, N) Images in a 65-year-old female with PRISm + RP: FEV1%pred = 71.2%, FVC %pred = 76.8%, FEV1/FVC = 0.76; emphysema percentage = 4.7%, QDP = 10%, VD-PRVent = 18%, VDPFVL-CM = 6%. (C, F, I, L, O) Images in a 57-year-old male with AO: FEV1%pred = 56.8%, FEV1/FVC = 0.52; emphysema = 11.1%, QDP = 31%, VDPRVent = 33%, VDPFVL-CM = 41%. AO = airflow obstruction, FEV1 = forced expiratory volume in 1 second, FVC = forced vital capacity, FVL-CM = flow-volume loop correlation metric, %pred = percent predicted, PREFUL = phase-resolved function lung, PRISm = preserved ratio impaired spirometry, QDP = perfusion defect percentage, RVent = regional ventilation, VDP = ventilation defect percentage.
AI detects lung cancer nodules well but shows low specificity
By Kate Madden Yee
The finding suggests the models offer “a potential role as adjunctive tools for ruling out malignancy” rather than classifying it.
June 4, 2026
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Radiopharmaceutical manufacturers report uneven FDA inspections
By Liz Carey
RMTA lays out radiopharmaceutical regulatory and payment policy issues.
June 4, 2026
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AI-driven cardiac PET attenuation correction shows promise
By Kate Madden Yee
The algorithm could offer a “practical alternative in cardiac PET,” researchers noted.
June 3, 2026
Cardiac stress test imaging comparison showing DeepAC and CT-based attenuation correction scans for two patients with quantitative perfusion data.
Image-guided focal laser ablation effective for prostate cancer
By Amerigo Allegretto
MRI-directed, ultrasound-guided TPLA may be a promising technique to treat prostate cancer while avoiding radical therapies.
June 3, 2026
Preablation, postablation, and recurrence multiparametric MRI scans depict a 63-year-old man treated with transperineal focal laser ablation (TPLA) for localized prostate cancer. Clinical parameters included an initial prostate-specific antigen (PSA) level of 7.2 ng/mL, a Prostate Imaging Reporting and Data System (PI-RADS) grade 4 lesion (red circles) in the right apical peripheral zone, and a maximum tumor length of 5 mm. MRI-guided targeted biopsy confirmed a Gleason score 3+4 prostate cancer tumor. (A) Pre-ablation axial T2-weighted MRI scan and apparent diffusion coefficient (ADC) image shows the apical PI-RADS 4 lesion (circles). (B) Six-month post-ablation axial T2-weighted MRI scan and ADC image show cystic necrosis (arrows). There was no evidence of recurrence; the PSA level was 1.5 ng/mL. (C) One-year after ablation, the patient’s PSA level had increased to 4.3 ng/mL. Axial T2-weighted MRI scan and the ADC image shows a recurrent lesion (blue circles) in the right apical peripheral zone adjacent to the ablation scar. Targeted biopsy confirmed Gleason score 3+4 prostate cancer, which was classified as in-field recurrence of clinically significant prostate cancer and subsequently re-treated with TPLA. In summary, serial multiplanar MRI demonstrates treatment response after TPLA with post-ablation necrosis, followed by MRI-detected IFR confirmed with biopsy at 12-month follow-up. Multiparametric MRI was performed with a 3.0-T MRI scanner (Skyra; Siemens Healthineers) using T2-weighted, diffusion-weighted, and ADC sequences, with gadobenate dimeglumine contrast material administration (Bracco Diagnostics).
ASCO: With help from AI, interventions boost lung cancer screening
By Erik L. Ridley
Screening rate increased sharply over six years at the 17-hospital health system.
June 3, 2026
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Philips Interactive Multimedia Reporting: Where Insight Meets Impact
By Philips Healthcare Informatics
Radiology is no longer just about what you see, it’s about how effectively you communicate it.
June 2, 2026
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Radiologists estimate time savings with advanced radiology reports
By Liz Carey
Survey-driven insights into the impact of interactive multimedia reporting, plus practical tips to take forward when planning to implement a system.
June 2, 2026
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AI approach could improve DBT efficiency
By Amerigo Allegretto
AI-based slab reconstruction may help improve screening DBT workflows while not compromising on image quality.
June 2, 2026
Slab reconstruction provides visualization of subtle architectural distortion similar to that of standard 1-mm slices in a false-positive screening exam. Images include breast exams from a 45-year-old woman who underwent screening mammography. Craniocaudal tomosynthesis images with (A) 1-mm slices and (B) 6-mm slab reconstructions show an area of architectural distortion in the subareolar region of the left breast (arrow). (C) Targeted ultrasound imaging shows a corresponding irregular hypoechoic mass (arrow), which was subsequently biopsied. Pathologic examination revealed a sclerosing papillary lesion.
Podcast: Telltale signs your MRI safety standards are inadequate
By Liz Carey
Check your MRI safety sense.
June 2, 2026
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ASCO: Use of GLP-1 drugs linked to lower breast cancer cases
By Erik L. Ridley
A large retrospective study found sharply lower incidence of breast cancer among women who had received GLP-1 drugs.
June 2, 2026
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ASCO: Proton therapy, IMRT both work well for prostate cancer
By Erik L. Ridley
Both modalities yielded similar outcomes, according to preliminary results from a large, prospective trial.
June 1, 2026
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