scholarly journals Fructose 1,6-Bisphosphatase 1 Expression Reduces 18F-FDG Uptake in Clear Cell Renal Cell Carcinoma

2019 ◽  
Vol 2019 ◽  
pp. 1-6 ◽  
Author(s):  
Ruohua Chen ◽  
Xiang Zhou ◽  
Gang Huang ◽  
Jianjun Liu
Keyword(s):  
Renal Cell Carcinoma ◽  
Primary Tumor ◽  
Renal Cell ◽  
Clear Cell ◽  
Low Grade ◽  
High Grade ◽  
Cell Renal Cell Carcinoma ◽  
Fdg Uptake ◽  
Fructose 1,6 Bisphosphatase ◽  
The Relationship

Purpose. To determine the relationship between fructose 1,6-bisphosphatase 1 (FBP1) expression and fluorine 18 (18F) fluorodeoxyglucose (FDG) uptake in patients with clear cell renal cell carcinoma (ccRCC), and to investigate how 18F-FDG uptake and FBP1 expression are related to tumor metabolism and tumor differentiation grade. Materials and Methods. A total of 54 patients with ccRCC underwent 18F-FDG combined positron emission tomography and computed tomography (PET/CT) before tumor resection. The maximum standardized uptake value (SUVmax) for the primary tumor was calculated from the 18F-FDG uptake. The relationship between SUVmax of primary tumor and the expression of FBP1, hexokinase 2 (HK2), and glucose transporter 1 (GLUT1) was analyzed via immunohistochemical analysis. Results. We identified an inverse relationship between FBP1 expression and SUVmax (P=0.031). SUVmax was higher in patients with high-grade ccRCC (mean, 11.6 ± 5.0) than in those with low-grade ccRCC (mean, 3.8 ± 1.6, P<0.001). FBP1 expression was significantly lower in patients with high-grade ccRCC (mean, 0.23 ± 0.1) than in those with low-grade ccRCC (mean, 0.57 ± 0.08; P=0.018). FBP1 status could be predicted with an accuracy of 66.7% when a SUVmax cutoff value of 3.55 was used. GLUT1 expression in ccRCC was positively correlated with 18F-FDG uptake and FBP1 status, whereas HK2 expression was not. Conclusion. SUVmax in patients with ccRCC is inversely associated with the expression of FBP1, and FBP1 may inhibit 18F-FDG uptake via regulating GLUT1. SUVmax is higher in patients with high-grade ccRCC than in those with low-grade ccRCC, which could be the result of lower FBP1 expression in patients with high-grade ccRCC.

Differentiation of low grade from high grade clear cell renal cell carcinoma neoplasms using a CAD algorithm on four-phase CT.

2016 ◽  
Vol 34 (15_suppl) ◽  
pp. 4564-4564 ◽  
Author(s):  
Heidi Coy ◽  
Michael Douek ◽  
Jonathan Young ◽  
Matthew S. Brown ◽  
Jonathan Goldin ◽  
...  
Keyword(s):  
Renal Cell Carcinoma ◽  
Cell Carcinoma ◽  
Renal Cell ◽  
Clear Cell ◽  
Low Grade ◽  
High Grade ◽  
Cell Renal Cell Carcinoma

Correlation of tumor enhancement and imaging features on multiphasic multidetector CT with microvessel density as a step toward a minimally invasive method to predict Fuhrman nuclear grade in patients with clear cell renal cell carcinoma.

2017 ◽  
Vol 35 (15_suppl) ◽  
pp. e16049-e16049
Author(s):  
Heidi Coy ◽  
Jonathan Young ◽  
Michael Douek ◽  
Clara Magyar ◽  
Anthony Sisk ◽  
...  
Keyword(s):  
Renal Cell Carcinoma ◽  
Logistic Regression ◽  
Regression Analysis ◽  
Microvessel Density ◽  
Renal Cell ◽  
Clear Cell ◽  
Low Grade ◽  
High Grade ◽  
Cell Renal Cell Carcinoma ◽  
Invasive Method

e16049 Background: Clear cell renal cell carcinoma (ccRCC) is the most common tumor of the kidney. Up to 70% are incidentally detected on multiphasic CT. The prognosis for patients with ccRCC is related to Fuhrman grade (FG) and is diagnosed by biopsy or excision. There is a great need for a non-invasive method to assess tumor grade which may help inform clinical decision-making. The purpose of our study is to determine if contrast enhancement on CT predicts FG and microvessel density (MVD) of ccRCC lesions and to assess which combination of quantitative and qualitative radiological features and clinical features predict high FG ccRCC lesions. Methods: With IRB approval for this HIPAA-compliant retrospective study, our pathology and imaging databases were queried to obtain a cohort of ccRCC with a preoperative multiphasic (unenhanced (U), corticomedullary (C), nephrographic (N), and excretory (E)) CT scan. Tumors were stained with CD4 to quantify % MVD. Spearman’s rank correlation was calculated to test the strength of the association between CT enhancement, %MVD and FG. Stepwise logistic regression analysis was performed to determine the quantitative and/or qualitative feature with the highest performance in predicting high FG tumor. The multivariate logistic regression analysis was evaluated using ROC curves and AUCs. Results: Our cohort had 127 patients with 89 low-grade tumors and 43 high-grade tumors. The %wash-in of enhancement from the U to the C phase showed a significant correlation with %MVD of the tumor (R2= 0.181,p < . 001) as did enhancement of the tumor in the early C phase with %MVD (R2= 0.159,p < . 001). There was a significant inverse correlation with %MVD and FG (R2= 0.137,p < . 001). T-stage, tumor size, %MVD and presence of renal vein invasion were determined to be significant independent predictors of high grade lesions with an AUC of .838 (95% CI .748-.927). Conclusions: Lower grade ccRCC tumors have a higher MVD. Therefore, contrast material washes in at a faster rate from the UN to the CM phase, enabling low grade to be discriminated from high-grade tumors on CT.

CT-based radiomic model predicts high grade of clear cell renal cell carcinoma

2018 ◽  
Vol 103 ◽  
pp. 51-56 ◽  
Author(s):  
Jiule Ding ◽  
Zhaoyu Xing ◽  
Zhenxing Jiang ◽  
Jie Chen ◽  
Liang Pan ◽  
...  
Keyword(s):  
Renal Cell Carcinoma ◽  
Cell Carcinoma ◽  
Renal Cell ◽  
Clear Cell ◽  
High Grade ◽  
Cell Renal Cell Carcinoma

scholarly journals BAP1 and PBRM1 in metastatic clear cell renal cell carcinoma: tumor heterogeneity and concordance with paired primary tumor

BMC Urology ◽  
2017 ◽  
Vol 17 (1) ◽  
Author(s):  
Jeanette E. Eckel-Passow ◽  
Daniel J. Serie ◽  
John C. Cheville ◽  
Thai H. Ho ◽  
Payal Kapur ◽  
...  
Keyword(s):  
Renal Cell Carcinoma ◽  
Cell Carcinoma ◽  
Primary Tumor ◽  
Renal Cell ◽  
Tumor Heterogeneity ◽  
Clear Cell ◽  
Cell Renal Cell Carcinoma ◽  
Carcinoma Tumor

scholarly journals Prognostic Value of The Ratio of Maximum To Minimum Diameter of Primary Tumor In Metastatic Clear Cell Renal Cell Carcinoma

2022 ◽  
Author(s):  
Hongzhe Shi ◽  
Chuanzhen Cao ◽  
Li Wen ◽  
Lianyu Zhang ◽  
Jin Zhang ◽  
...  
Keyword(s):  
Renal Cell Carcinoma ◽  
Prognostic Factor ◽  
Cell Carcinoma ◽  
Risk Score ◽  
Primary Tumor ◽  
Renal Cell ◽  
Prognostic Value ◽  
Tumor Necrosis ◽  
Clear Cell ◽  
Cell Renal Cell Carcinoma

Abstract Background: Several models and markers were developed and found to predict outcome of advanced renal cell carcinoma. This study aimed to evaluate the prognostic value of the ratio of maximum to minimum tumor diameter (ROD) in metastatic clear cell renal cell carcinoma (mccRCC).Methods: Patients with mccRCC (n=213) treated with sunitinib from January 2008 to December 2018 were identified. Cut-off value for ROD was determined using receiver operating characteristic. Patients with different ROD scores were grouped and evaluated. Survival outcomes were estimated by Kaplan-Meier method.Results: The optimal ROD cutoff value of 1.34 was determined for progression free survival (PFS) and overall survival (OS). Patients in ROD≥1.34 group had shorter PFS (9.6 versus 17.7 months, p<0.001) and OS (25.5 versus 32.6 months, p<0.001) than patients in ROD<1.34 group. After adjustment for other factors, multivariate analysis showed ROD≥1.34 was an independent prognostic factor for PFS (p<0.001) and OS (p=0.006). Patients in ROD³1.34 group presented higher proportions of T3/4 stage (92.9% versus 7.1%, p=0.012), WHO/ISUP grade III/IV (72.0% versus 28.0%, p=0.010), tumor necrosis (71.0% versus 29.0%, p=0.039), sarcomatoid differentiation (79.1% versus 20.9%, p=0.007), poor MSKCC risk score (78.4% versus 21.6%, p<0.001) and poor IMDC risk score (74.4% versus 25.6%, p<0.001) than ROD<1.34 group.Conclusion: Primary tumor with higher ROD was an independently prognostic factor for both PFS and OS in patients with mccRCC who received targeted therapy. Higher ROD was also associated with high T stage, high WHO/ISUP grade, sarcomatoid features, tumor necrosis, poor MSKCC and IMDC risk score.

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