Dr. Perry Pickhardt

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

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

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

Atlas of Gastrointestinal Imaging Figure 1.3.4 IPMN with invasive carcinoma

August 26, 2007

Atlas of Gastrointestinal Imaging Figure 1.3.3 Side branch IPMN

August 26, 2007

Atlas of Gastrointestinal Imaging Figure 1.3.2 Pancreas divisum with dorsal duct IPMN

August 26, 2007

Atlas of Gastrointestinal Imaging Figure 1.3.1 Main duct IPMN

August 26, 2007

Atlas of Gastrointestinal Imaging FIGURE 2.1.7 Rectal fistulas complicating ulcerative colitis

August 26, 2007

Atlas of Gastrointestinal Imaging FIGURE 2.1.6 Dysplasia and carcinoma in long-standing ulcerative colitis

August 26, 2007

Atlas of Gastrointestinal Imaging Figure 2.1.5 Long-Standing ulcerative colitis

August 26, 2007

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Multiple Myeloma 400

MRI-based model shows changes over time in multiple myeloma patients

Whole-body MRI could serve as a scalable biomarker for risk stratification in multiple myeloma patients.

Ultrasound Transducer3 400

Thyroid nodule classification systems provide diagnostic equity

Liver

Y-90 TARE rises to top in treatments for liver transplant patients

Minnie Cast Thumbnail (23)

Ultrasound MinnieCast, Episode 16: How to create a sonography association

Doctor Patient Consult Tablet 400

eConsult systems may benefit radiology-provider communication

MRI-based model shows changes over time in multiple myeloma patients

By Amerigo Allegretto

Whole-body MRI could serve as a scalable biomarker for risk stratification in multiple myeloma patients.

September 4, 2026

Multiple Myeloma 400

Thyroid nodule classification systems provide diagnostic equity

By Amerigo Allegretto

TI-RADS and Bethesda achieved similar performances across Black and white racial groups.

September 4, 2026

Ultrasound Transducer3 400

Y-90 TARE rises to top in treatments for liver transplant patients

By 2025, TARE accounted for 45.8% of 2,653 liver-directed therapy procedures.

September 4, 2026

Ultrasound MinnieCast, Episode 16: How to create a sonography association

By Amerigo Allegretto

Brenda McMahon, founder of the Pennsylvania Association for Sonographers, outlines the creation and work of the association.

September 4, 2026

Minnie Cast Thumbnail (23)

eConsult systems may benefit radiology-provider communication

By Amerigo Allegretto

Electronic consult (eConsult) platforms provide documented pathway for imaging questions and support radiologists as consultants.

September 3, 2026

Doctor Patient Consult Tablet 400

UAE provides long-term benefits in women with uterine fibroids

Of 175 survey respondents, 132 reported significant symptom improvement at least two years following embolization.

September 3, 2026

Podcast: Frank Lexa discusses the 3 major trends facing radiology today

Can radiology stay human in an era of mega-practices, private equity, and AI?

September 3, 2026

Keeping Up With The Radiologists Podcast Thumbnail

MRI shows how hormones affect mood

By Amerigo Allegretto

MRI scans show how higher progesterone levels indicate lower mood.

September 2, 2026

Woman Mother Stressed 400

Radiologist pipeline trails increase in training positions

Radiology residency positions rose 33% between 2010 and 2025.

September 2, 2026

Neighborhood deprivation tied to lower breast cancer screening

By Amerigo Allegretto

Women residing in neighborhoods with high deprivation have lower odds of getting their mammograms.

September 2, 2026

Mammo Adobe Gorodenkoff

SPECT/CT access unequal across U.S.

At the state level, California, Texas, and Florida had the highest number of facilities in absolute terms.

September 1, 2026

Shutterstock 2028051956 (1)

AI cuts chest CT reporting time

Exploratory modeling suggested an approximate reduction of 0.5 full-time equivalent radiologist workload.

September 1, 2026

Example of AI-assisted pulmonary nodule detection and longitudinal volumetric assessment in a 65-year-old woman with peripheral arterial disease, a 24-pack-year smoking history, emphysema, and a family history of lung cancer. An incidental 8.5-mm right lower lobe pulmonary nodule is identified at CT angiography of the abdomen in July 2022 but does not receive follow-up. Subsequent imaging demonstrates interval growth, and CT-guided biopsy confirms stage IA lung adenocarcinoma. Contrast-enhanced axial chest CT images obtained on February 2, 2024, before robotic-assisted thoracoscopic segmentectomy, show a 12.1-mm spiculated right lower lobe pulmonary nodule. (A) Conventional contrast-enhanced axial chest CT image without AI assistance shows a 12.1-mm spiculated right lower lobe pulmonary nodule. (B) Corresponding CT image with AI-assisted pulmonary nodule detection, automated segmentation, and quantitative nodule assessment identifies a solid pulmonary nodule (nodule #1) measuring 13 × 8 (11) mm, with a volume of 739 mm3, a 45% volumetric increase compared with the previous contrast-enhanced chest CT performed on October 9, 2023 (510 mm3), and an estimated volume doubling time (VDT) of 216 days. (C) AI-generated longitudinal nodule analysis displays automated segmentation of the current (February 2, 2024) and previous (October 9, 2023) CT examinations, 3D nodule reconstruction, and quantitative volumetric assessment for longitudinal follow-up. The AI interface is displayed in the original software language (Dutch).

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