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Contrast-Enhanced Computed Tomography Colonography in Preoperative Distinction between T1-T2 and T3-T4 Staging of Colon Cancer

Rationale and Objectives To predict the T stage of nonrectal colon cancer using contrast-enhanced computed tomography colonography. Materials and Methods Sixty-one patients with 67 nonrectal col...

Computed Tomography Density Histogram Analysis to Evaluate Pulmonary Emphysema in Ex-smokers

Rationale and Objectives High-resolution computed tomography (CT) measurements of emphysema typically use Hounsfield unit (HU) density histogram thresholds or observer scores based on regions of l...

Cancelation of MRI Guided Breast Biopsies for Suspicious Breast Lesions Identified at 3.0 T MRI

Rationale and Objectives To determine the cancelation rate of magnetic resonance imaging (MRI)-guided procedures in suspicious breast lesions initially detected at 3.0 Tesla (T) MRI. Materials an...

Can Coronary Artery Anomalies Be Detected on CT Calcium Scoring Studies?

Purpose To determine whether coronary artery anomalies can be detected on noncontrast computed tomography (CT) coronary artery calcium scoring (CCS) studies. Materials and Methods A total of 126...

Automated Registration, Segmentation, and Measurement of Metastatic Melanoma Tumors in Serial CT Scans

Objectives Our goal was to evaluate a new software capability that integrates registration, segmentation and tumor measurement across serial exams within a picture archiving communication system (...

7 Tesla MPRAGE Imaging of the Intracranial Arterial Vasculature

Purpose To intraindividually compare the delineation of intracranial arterial vasculature in nonenhanced versus contrast-enhanced magnetization prepared rapid gradient echo (MPRAGE) imaging at 7 T...

Viewing the Body in the Abrahamic Faith Traditions

The best radiologists and radiology personnel aspire to care for patients as whole human beings and not just injured or diseased organs. To do so, it is important to understand the basic tenets of ...

Therapy Response Assessment in Metastatic Melanoma Patients Treated with a BRAF Inhibitor

Purpose Targeted therapy can lead to considerable tumor reduction and may result initially in altered tissue at constant tumor size. In this setting, Response Evaluation Criteria in Solid Tumors (...

The Utility of Micro-CT and MRI in the Assessment of Longitudinal Growth of Liver Metastases in a Preclinical Model of Colon Carcinoma

Rationale and Objectives Liver is a common site for distal metastases in colon and rectal cancer. Numerous clinical studies have analyzed the relative merits of different imaging modalities for de...

Semiautomatic Volumetric Tumor Segmentation for Hepatocellular Carcinoma

Rationale and Objectives To evaluate the precision and reproducibility of a semiautomatic tumor segmentation software in measuring tumor volume of hepatocellular carcinoma (HCC) before the first t...