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2022 ◽  
Vol 17 (3) ◽  
pp. 439-441
Author(s):  
Marco Enoch Lee ◽  
Veronica Chi Ken Wong ◽  
Chuong Bui ◽  
Robert Mansberg

2022 ◽  
Vol 17 (3) ◽  
pp. 907-910
Author(s):  
James Yuheng Jiang ◽  
Monica Comsa ◽  
Veronica Chi Ken Wong ◽  
Robert Mansberg

2022 ◽  
Vol 17 (3) ◽  
pp. 489-491
Author(s):  
Na Chen ◽  
Jin-bai Huang

2022 ◽  
Vol 47 (2) ◽  
pp. 140-141
Author(s):  
Maike José Maria Uijen ◽  
Jetty Anne Mina Weijers ◽  
Chantal Maria Leonarda Driessen ◽  
Carla Marie Louise van Herpen ◽  
James Nagarajah

2022 ◽  
Vol 47 (2) ◽  
pp. e194-e196
Author(s):  
Suman S. Karanth ◽  
Dharmender Malik ◽  
Gaurav Khanna ◽  
Ishita B. Sen ◽  
Divya Manda ◽  
...  
Keyword(s):  
Fdg Pet ◽  
Pet Ct ◽  
18F Fdg ◽  

2022 ◽  
Vol 47 (2) ◽  
pp. e210-e212
Author(s):  
Dheeratama Siripongsatian ◽  
Chetsadaporn Promteangtrong ◽  
Anchisa Kunawudhi ◽  
Peerapon Kiatkittikul ◽  
Chanisa Chotipanich

2022 ◽  
Vol 1 ◽  
Author(s):  
Mboyo D. T. Vangu ◽  
Jaleelat I. Momodu

Since its introduction into clinical practice, multimodality imaging has revolutionized diagnostic imaging for both oncologic and non-oncologic pathologies. 18F-fluorodeoxyglucose (18F-FDG) PET/CT imaging which takes advantage of increased anaerobic glycolysis that occurs in tumor cells (Warburg effect) has gained significant clinical relevance in the management of most, if not all oncologic conditions. Because FDG is taken by both normal and abnormal tissues, PET/CT imaging may demonstrate several normal variants and imaging pitfalls. These may ultimately impact disease detection and diagnostic accuracy. Imaging specialists (nuclear medicine physicians and radiologists) must demonstrate a thorough understanding of normal and physiologic variants in the distribution of 18F-FDG; including potential imaging pitfalls and technical artifacts to minimize misinterpretation of images. The normal physiologic course of 18F-FDG results in a variable degree of uptake in the stomach, liver, spleen, small and large bowel. Urinary excretion results in renal, ureteric, and urinary bladder uptake. Technical artifacts can occur due to motion, truncation as well as the effects of contrast agents and metallic hardware. Using pictorial illustrations, this paper aims to describe the variants of physiologic 18F-FDG uptake that may mimic pathology as well as potential benign conditions that may result in misinterpretation of PET/CT images in common oncologic conditions of the abdomen and pelvis.


Cancers ◽  
2022 ◽  
Vol 14 (2) ◽  
pp. 419
Author(s):  
Tsuyoshi Shimamura ◽  
Ryoichi Goto ◽  
Masaaki Watanabe ◽  
Norio Kawamura ◽  
Yasutsugu Takada

Hepatocellular carcinoma (HCC) is the third highest cause of cancer-related mortality, and liver transplantation is the ideal treatment for this disease. The Milan criteria provided the opportunity for HCC patients to undergo LT with favorable outcomes and have been the international gold standard and benchmark. With the accumulation of data, however, the Milan criteria are not regarded as too restrictive. After the implementation of the Milan criteria, many extended criteria have been proposed, which increases the limitations regarding the morphological tumor burden, and incorporates the tumor’s biological behavior using surrogate markers. The paradigm for the patient selection for LT appears to be shifting from morphologic criteria to a combination of biologic, histologic, and morphologic criteria, and to the establishment of a model for predicting post-transplant recurrence and outcomes. This review article aims to characterize the various patient selection criteria for LT, with reference to several surrogate markers for the biological behavior of HCC (e.g., AFP, PIVKA-II, NLR, 18F-FDG PET/CT, liquid biopsy), and the response to locoregional therapy. Furthermore, the allocation rules in each country and the present evidence on the role of down-staging large tumors are addressed.


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