Development of a Novel Multiparametric MRI Radiomic Nomogram for Preoperative Evaluation of Early Recurrence in Resectable Pancreatic Cancer.

Published on Jul 1, 2020in Journal of Magnetic Resonance Imaging4.813
· DOI :10.1002/JMRI.27024
Tianyu Tang8
Estimated H-index: 8
(ZJU: Zhejiang University),
Xiang Li24
Estimated H-index: 24
(ZJU: Zhejiang University)
+ 15 AuthorsTingbo Liang27
Estimated H-index: 27
(ZJU: Zhejiang University)
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Abstract
BACKGROUND: In pancreatic cancer, methods to predict early recurrence (ER) and identify patients at increased risk of relapse are urgently required. PURPOSE: To develop a radiomic nomogram based on MR radiomics to stratify patients preoperatively and potentially improve clinical practice. STUDY TYPE: Retrospective. POPULATION: We enrolled 303 patients from two medical centers. Patients with a disease-free survival
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Background To develop a supervised machine learning (ML) algorithm predicting above- versus below-median overall survival (OS) from diffusion-weighted imaging-derived radiomic features in patients with pancreatic ductal adenocarcinoma (PDAC).
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#8Ernst J. Rummeny (TUM: Technische Universität München)H-Index: 7
Purpose Development of a supervised machine-learning model capable of predicting clinically relevant molecular subtypes of pancreatic ductal adenocarcinoma (PDAC) from diffusion-weighted-imaging-derived radiomic features. Methods The retrospective observational study assessed 55 surgical PDAC patients. Molecular subtypes were defined by immunohistochemical staining of KRT81. Tumors were manually segmented and 1606 radiomic features were extracted with PyRadiomics. A gradient-boosted-tree algorit...
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#1Jing Zhang (CQMU: Chongqing Medical University)H-Index: 1
#2Xinjie Liu (CQMU: Chongqing Medical University)H-Index: 5
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Rationale and Objectives To investigate the value of texture analysis and conventional magnetic resonance imaging (MRI) features for predicting the early recurrence (ER) of single hepatocellular carcinoma (HCC) after hepatectomy. Materials and Methods A total of 100 HCC patients were first divided into group A (tumor diameter ≤3 cm) and group B (tumor diameter >3 cm) and then classified into two subgroups with ER or nonearly recurrence. Textural parameters (skewness, kurtosis, uniformity, energy...
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#1Vincent P. Groot (JHUSOM: Johns Hopkins University School of Medicine)H-Index: 16
#2Georgios Gemenetzis (JHUSOM: Johns Hopkins University School of Medicine)H-Index: 17
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Objectives:To establish an evidence-based cut-off to differentiate between early and late recurrence and to compare clinicopathologic risk factors between the two groups.Summary Background Data:A clear definition of “early recurrence” after pancreatic ductal adenocarcinoma resection is currently lac
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#3Jie Chen (Sichuan University)H-Index: 18
This study was performed to prospectively develop and validate a radiomics nomogram for predicting postoperative early recurrence (≤1 year) of hepatocellular carcinoma (HCC) using whole-lesion radiomics features on preoperative gadoxetic acid-enhanced magnetic resonance (MR) images. In total, 155 patients (training cohort: n = 108; validation cohort: n = 47) with surgically confirmed HCC were enrolled in this IRB-approved prospective study. Three-dimensional whole-lesion regions of interest were...
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#1Kumar Sandrasegaran (IU: Indiana University)H-Index: 24
#2Yuning Lin (IU: Indiana University)H-Index: 1
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Objectives We investigated the value of CT texture analysis (CTTA) in predicting prognosis of unresectable pancreatic cancer.
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#1Jingwei Wei (CAS: Chinese Academy of Sciences)H-Index: 17
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#1Moon Hyung Choi (Catholic University of Korea)H-Index: 13
#2Young Joon Lee (Catholic University of Korea)H-Index: 17
Last. Sung Eun Rha (Catholic University of Korea)H-Index: 26
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Purpose To assess the association between T2-weighted imaging (T2WI) texture-analysis parameters and the pathological aggressiveness or long-term outcomes in pancreatic ductal adenocarcinoma (PDAC) patients.
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#1Yuming Jiang (Southern Medical University)H-Index: 16
#2Chuanli Chen (Southern Medical University)H-Index: 6
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Abstract To develop and validate a radiomics signature for the prediction of gastric cancer (GC) survival and chemotherapeutic benefits. In this multicenter retrospective analysis, we analyzed the radiomics features of portal venous-phase computed tomography in 1591 consecutive patients. A radiomics signature was generated by using the Lasso-Cox regression model in 228 patients and validated in internal and external validation cohorts. Radiomics nomograms integrating the radiomics signature were...
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Abstract Objectives: This study aimed to develop a preoperative positron emission tomography (PET)-based radiomics model for predicting peritoneal metastasis (PM) of gastric cancer(GC). Methods: The preoperative fluorine-18-fludeoxyglucose (18F-FDG) PET images of 355 patients (109PM+, 246PM-) confirmed by histopathological examination were retrospectively reviewed. Patients were randomly divided into training set and validation set according to 7:3 ratio. Radiomics features and relevant data wer...
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#1Chunli Li (PRC: China Medical University (PRC))
#2Jiandong Yin (PRC: China Medical University (PRC))
This study aimed to establish and validate a radiomics nomogram using the radiomics score (rad-score) based on multiregional diffusion-weighted imaging (DWI) and apparent diffusion coefficient (ADC) features combined with clinical factors for evaluating HER-2 2+ status of breast cancer. A total of 223 patients were retrospectively included. Radiomic features were extracted from multiregional DWI and ADC images. Based on the intratumoral, peritumoral, and combined regions, three rad-scores were c...
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#1Jian Zhao (Sichuan University)H-Index: 3
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BACKGROUND Cholangiocarcinoma is a type of hepatobiliary tumor. For perihilar cholangiocarcinoma (pCCA), patients who experience early recurrence (ER) have a poor prognosis. Preoperative accurate prediction of postoperative ER can avoid unnecessary operation; however, prediction is challenging. PURPOSE To develop a novel signature based on clinical and/or MRI radiomics features of pCCA to preoperatively predict ER. STUDY TYPE Retrospective. POPULATION One hundred eighty-four patients (median age...
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#1Mayur Virarkar (UF: University of Florida)
#2Vincenzo Wong (University of Texas MD Anderson Cancer Center)H-Index: 2
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Radiomics is a newer approach for analyzing radiological images obtained from conventional imaging modalities such as computed tomography, magnetic resonance imaging, endoscopic ultrasonography, and positron emission tomography. Radiomics involves extracting quantitative data from the images and assessing them to identify diagnostic or prognostic features such as tumor grade, resectability, tumor response to neoadjuvant therapy, and survival. The purpose of this review is to discuss the basic pr...
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OBJECTIVE. The purpose of our study was to develop a radiomics model based on preoperative MRI and clinical information for predicting recurrence-free survival (RFS) in patients with advanced high-grade serous ovarian carcinoma (HGSOC). MATERIALS AND METHODS. This retrospective study enrolled 117 patients with HGSOC, including 90 patients with recurrence and 27 without recurrence; 1046 radiomics features were extracted from T2-weighted images and contrast-enhanced T1-weighted images using a manu...
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#1Liaoyi Lin (First Affiliated Hospital of Wenzhou Medical University)H-Index: 2
#2Jinjin Liu (First Affiliated Hospital of Wenzhou Medical University)H-Index: 10
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#1Zhou-San Huang (Southern Medical University)H-Index: 1
#2Xiang Xiao (Southern Medical University)H-Index: 5
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BACKGROUND Preoperative, noninvasive discrimination of the craniopharyngioma subtypes is important because it influences the treatment strategy. PURPOSE To develop a radiomic model based on multiparametric magnetic resonance imaging for noninvasive discrimination of pathological subtypes of craniopharyngioma. STUDY TYPE Retrospective. POPULATION A total of 164 patients from two medical centers were enrolled in this study. Patients from the first medical center were divided into a training cohort...
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Rationale and Objectives To develop classification and regression models interpreting tumor characteristics obtained from structural (T1w and T2w) magnetic resonance imaging (MRI) data for early detection of dendritic cell (DC) vaccine treatment effects and prediction of long-term outcomes for LSL-KrasG12D; LSL-Trp53R172H; Pdx-1-Cre (KPC) transgenic mice model of pancreatic ductal adenocarcinoma. Materials and Methods Eight mice were treated with DC vaccine for 3 weeks while eight KPC mice were ...
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#1Damiano Caruso (Sapienza University of Rome)H-Index: 22
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Radiomics has been playing a pivotal role in oncological translational imaging, particularly in cancer diagnosis, prediction prognosis, and therapy response assessment. Recently, promising results were achieved in management of cancer patients by extracting mineable high-dimensional data from medical images, supporting clinicians in decision-making process in the new era of target therapy and personalized medicine. Radiomics could provide quantitative data, extracted from medical images, that co...
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objective Despite the heterogeneous biology of pancreatic cancer, similar surveillance schemas have been used. Identifying the high recurrence risk population and conducting prompt intervention may improve prognosis and prolong overall survival. Methods One hundred fifty-six resectable pancreatic cancer patients who had undergone 18F-FDG PET/CT from January 2013 to December 2018 were retrospectively reviewed. The patients were categorized into a training cohort (n = 109) and a validation cohort ...
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