Dr. Perry Pickhardt

CT
Atlas of Gastrointestinal Imaging, Chapter 7 -- The Pancreas
Intraductal papillary mucinous neoplasm (IPMN) is a distinct subset of MCN that is being recognized with increasing frequency.
August 27, 2007
CT
Atlas of Gastrointestinal Imaging, Chapter 5 -- The Colon and Rectum
Imaging evaluation of the large intestine has undergone remarkable advances over the past decade, particularly with the advent of CT colonography (CTC, also referred to as virtual colonoscopy). Optical colonoscopy (also referred to as conventional or invasive colonoscopy) and CTC allow for complementary diagnostic evaluation of the colonic mucosa.
August 27, 2007
CT
Atlas of Gastrointestinal Imaging, Chapter 4 -- The Mesenteric Small Bowel
Mesenchymal tumors are a heterogeneous group of intramural lesions that arise deep to the mucosa.
August 27, 2007
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Atlas of Gastrointestinal Imaging Figure 1.3.4 IPMN with invasive carcinoma
August 26, 2007
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Atlas of Gastrointestinal Imaging Figure 1.3.3 Side branch IPMN
August 26, 2007
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Atlas of Gastrointestinal Imaging Figure 1.3.2 Pancreas divisum with dorsal duct IPMN
August 26, 2007
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Atlas of Gastrointestinal Imaging Figure 1.3.1 Main duct IPMN
August 26, 2007
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Atlas of Gastrointestinal Imaging FIGURE 2.1.7 Rectal fistulas complicating ulcerative colitis
August 26, 2007
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Atlas of Gastrointestinal Imaging FIGURE 2.1.6 Dysplasia and carcinoma in long-standing ulcerative colitis
August 26, 2007
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Atlas of Gastrointestinal Imaging Figure 2.1.5 Long-Standing ulcerative colitis
August 26, 2007
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Understanding CT flow artifacts is key to better disease diagnosis
Understanding the mechanics of flow artifacts on CT or CT angiography and how these artifacts are created is key to better disease diagnosis.
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Dual-tracer PET/CT shows promise in liver cancer patients
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Studies lacking for trans breast cancer screening trends
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ChatGPT performs poorly on ACR exam for residents
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Understanding CT flow artifacts is key to better disease diagnosis
By Kate Madden Yee
Understanding the mechanics of flow artifacts on CT or CT angiography and how these artifacts are created is key to better disease diagnosis.
April 26, 2024
2024 04 25 Radio Graphics Robb Figure7 Thumbnail
Dual-tracer PET/CT shows promise in liver cancer patients
By Will Morton
Dual-tracer PET/CT appears valuable for improving tumor staging in patients with hepatocellular carcinoma being evaluated for treatment.
April 26, 2024
Liver Cancer
Studies lacking for trans breast cancer screening trends
By Amerigo Allegretto
There are limited studies examining breast cancer screening trends in transgender people.
April 25, 2024
Transgender Pride Symbol Social
ChatGPT performs poorly on ACR exam for residents
By Will Morton
ChatGPT-4 received a score of 58% on an exam by the American College of Radiology (ACR) used to assess the skills of diagnostic and interventional radiology residents.
April 24, 2024
Chatgpt 4
ChatGPT-4 not reliable in cancer patient messaging
By Amerigo Allegretto
ChatGPT-4 is not a reliable source for answering patients’ questions regarding cancer and needs physician monitoring.
April 25, 2024
Chat Gpt Artificial Intelligence Ai Head
CT reveals influence of diabetes on COVID-19 severity
By Kate Madden Yee
CT imaging reveals the influence of blood glucose levels on the severity of COVID-19, researchers have reported.
April 25, 2024
3 D Lungs Covid Virus Cells
State of the RT profession more palpable than ever
By Liz Carey
As the ASRT prepares to announce changes to its professional-entry pathways and practice standards at its June meeting in Orlando, FL, Board President Brandon Smith said the state of the field is "more palpable than ever."
April 24, 2024
Asrt Be Seen Campaign 2024
Clinical practice LCS program finds more disease than NLST
By Kate Madden Yee
A clinical practice lung cancer screening (LCS) program at Duke University Medical Center found more disease than did the National Lung Screening Trial (NLST).
April 24, 2024
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SPECT/CT predicts foot amputations in diabetics
By Will Morton
Technetium-99m white blood cell SPECT/CT imaging may be useful for identifying diabetic patients at risk of amputations due to foot infections.
April 24, 2024
Examples in two patients. (Top) Abnormal leukocyte accumulation was observed in the right 1st to 5th toes, with the radioactive lesions extending to the bone, indicating osteomyelitis (left panel, MIP image; right panel, axial SPECT/CT). Two spherical VOIs were drawn on diabetic foot infections (DFIs) and the highest SUVmax was 4.2 (higher than the cutoff of 1.1) Despite intensive treatment, the infection progressed, leading to the patient undergoing right below knee amputation 43 days after SPECT/CT. (Bottom) Mild focal abnormal leukocyte accumulation was detected in the right 3rd and 4th toes. The lesions were in contact with the bone, which raised a suspicion of osteomyelitis (left panel, MIP image; right panel, axial SPECT/CT). A circular VOI was drawn on DFIs and the SUVmax was 1.0 (lower than the cutoff of 1.1). After 10 weeks of antibiotic treatment, the infection was successfully resolved, and the foot was preserved. Image and caption courtesy of Scientific Reports.
Deep-learning algorithm improves liver fibrosis diagnosis
By Amerigo Allegretto
An algorithm combining the Fibrosis-4 Index and an ultrasound deep-learning model could improve diagnostic accuracy for advanced liver fibrosis.
April 23, 2024
Ultrasound Scanner Ultraviolet 400
Radiologists can take steps toward environmental sustainability
By Amerigo Allegretto
Radiology departments can take proactive steps to promote environmental sustainability.
April 23, 2024
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Novel risk prediction model improves LCS uptake
By Kate Madden Yee
A novel risk prediction model used in the Ontario Lung Cancer Screening Pilot increased the uptake of lung cancer screening among eligible Canadians, researchers have found.
April 23, 2024
Lung Cancer
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