Roberta Katz

IS
6 steps to success in radiology data analytics
The modern radiology practice continues to experience rapid growth in data, thanks to the ongoing development of imaging modalities and the use of advanced medical imaging in molecular, genomic, and precision medicine. As radiology transitions to value-based care, advanced data analytics is no longer an option.
June 2, 2016
2016 02 24 15 09 37 954 Data Analytics 200
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Cardiac stress test imaging comparison showing DeepAC and CT-based attenuation correction scans for two patients with quantitative perfusion data.
Molecular Imaging
AI-driven cardiac PET attenuation correction shows promise
The algorithm could offer a “practical alternative in cardiac PET,” researchers noted.
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).
Interventional
Image-guided focal laser ablation effective for prostate cancer
Asco Thumb
CT
ASCO: With help from AI, interventions boost lung cancer screening
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Imaging Informatics
Philips Interactive Multimedia Reporting: Where Insight Meets Impact
David Vining Md Anderson Longitudinal Record Imr 2026
Imaging Informatics
Radiologists estimate time savings with advanced radiology reports
More in Home
AI-driven cardiac PET attenuation correction shows promise
By Kate Madden Yee
The algorithm could offer a “practical alternative in cardiac PET,” researchers noted.
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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.
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SNMMI: PET reveals new brain activity in multiple sclerosis
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Understanding how and where certain brain connections are lost can help explain the symptoms patients experience.
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Representative SV2A PET images comparing synaptic density in healthy and disease states. The left panel shows F-18 SynVesT-1 PET distribution volume (VT) maps of the brain and spinal cord in a naïve control mouse and a mouse with experimental autoimmune encephalomyelitis (EAE), a model of multiple sclerosis. The right panel shows Cu-11 UCB-J PET images of the brain of a 46-year-old male healthy control (left) and 43-year-old female MS patient (right).
SNMMI: New PET platform guides real-time bone cancer margin assessment
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The approach has the potential to reshape surgical practice for osteosarcoma by allowing for precise tumor resection.
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(A-C) Representative whole-body maximum-intensity projection images and regional fused PET/CT images from three histologically confirmed osteosarcoma patients who underwent paired [68Ga]Ga-B7-H3-BCH PET/CT and 18F-FDGE PET/CT within seven days. (D) Multimodal imaging evaluation of Patient Three, including x-ray, MRI (T2-weighted imaging, T2WI), CT, and B7-H3 PET/CT.
AI approach could improve DBT efficiency
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AI-based slab reconstruction may help improve screening DBT workflows while not compromising on image quality.
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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.
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AuntMinnie.com interviewed incoming SNMMI president Heather Jacene, MD.
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Metabolic status should be considered in post-therapy evaluation of obese differentiated thyroid cancer patients, researchers noted.
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Podcast: Telltale signs your MRI safety standards are inadequate
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Check your MRI safety sense.
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