WebAbstract PURPOSE: To evaluate the role of thin-section helical computed tomography (CT) performed during the corticomedullary phase (CMP) and nephrographic phase (NP) … WebAug 1, 1995 · Abstract PURPOSE: To evaluate the role of thin-section helical computed tomography (CT) performed during the corticomedullary phase (CMP) and nephrographic phase (NP) of contrast enhancement in the detection and characterization of renal masses. MATERIALS AND METHODS: Renal CT scans and medical records of …
Nephrographic and Pyelographic Analysis of CT Urography: Principles
WebJan 5, 2024 · A 77-year-old female presented with anemia secondary to an aggressive clear cell RCC. a Axial post contrast corticomedullary phase CT image shows a heterogeneous left renal tumor with increased vascularity (black arrow), invasion of the left renal vein (dashed arrow) and perinephric tumor deposits (white arrow).b Coronal post contrast … WebCorticomedullary, nephrographic, and excretory phase axial MDCT images of a clear cell RCC with low CA-IX expression in a 70-year-old woman. Representative CAD-selected regions of maximal... georgia luthier plans
The Radiology Assistant : CT contrast injection and …
corticomedullary phase is best to delineate subcategories of renal cell carcinomas further. nephrogenic phase is best for optimal enhancement of the renal parenchyma, including the renal medulla, and will demonstrate enhancing components of a mass. excretory phase will demonstrate … See more For some departments and/or radiologists, a renal mass protocol may only include a non-contrast, nephrogenic phase exam. For others, it may … See more Indeterminate renal mass, renal adenocarcinoma, metastasis, monitoring of known renal mass. The purpose of this exam is to assess the location and composition of a renal mass. 1. non-contrast scan is best … See more pseudoenhancement, an artifact encountered where the calculated density of a lesion is inaccurately increased, is a problem often noted … See more WebResults: The AUCs of Ra-peritumor of nephrographic phase (NP) were slightly higher than those of corticomedullary phase (CMP). Furthermore, the Ra-Pr showed significant higher efficiency than the Ra-Pf, and relative more optimal radiomics features were selected in the Ra-Pr than Ra-Pf. The Ra-tumor+Pr combined tumoral and perirenal radiomics ... WebMar 23, 2024 · Nephrogenic phase imaging allows the detection of renal lesions and is required for both renal CT and MRI. Related pathology. The nephrogenic phase may be … christian mccaffrey in 49ers uniform