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23, 95% CI = 3.89-13.42, Z = 6.27, P < 0.00001).
HPV infection in CRC tissues was obviously higher than that in nonmalignant tumor tissues and normal colon tissues, but there were no statistically significant abnormalities between CRC tissues and adenoma tissues.
HPV infection in CRC tissues was obviously higher than that in nonmalignant tumor tissues and normal colon tissues, but there were no statistically significant abnormalities between CRC tissues and adenoma tissues.
The objective of this study was to evaluate whether whole-uterine magnetic resonance imaging (MRI) radiomic features can predict myometrial invasion (MI) depth in endometrial cancer (EC).
The preoperative 3.0 T magnetic resonance examinations of EC patients were retrospectively reviewed. Whole-uterus segmentation was performed, and features were extracted based on sagittal T2-weighted imaging (T2WI) and axial diffusion-weighted imaging (DWI). The logistic regression (LR) classifier algorithm was used to establish the radiomic model, which was verified by ten times five-fold cross-validation. The areas under the receiver operating characteristic (ROC) curves (AUCs) were assessed by the DeLong test to compare differences among the models based on different sequences. The LR model was compared with the subjective diagnosis results by the Chi-square test.
Of the 163 EC patients included, 44 had deep myometrial invasion (DMI). The feature consistency of the whole uterus was higher than that of the lesion (P < 0.05). The sagittal T2WI, axial DWI, and combined models had AUCs of 0.76, 0.80, and 0.85 in the validation set, respectively. The DeLong test showed that there were no significant differences in AUCs among the models (P > 0.05). The single-sequence LR models had lower specificity and accuracy than the corresponding subjective diagnostic results (P < 0.05), while the sensitivity was higher (P > 0.05). The combined model included 24 radiomic features, and the accuracy, sensitivity, and specificity were 0.83, 0.77, and 0.85 for DMI, respectively. There was no significant difference compared with subjective diagnosis (P > 0.05).
Whole-uterine MRI radiomic features based on sagittal T2WI and axial DWI show potential in predicting MI in EC.
Whole-uterine MRI radiomic features based on sagittal T2WI and axial DWI show potential in predicting MI in EC.
To investigate the diagnostic value of lung-specific X protein (LUNX) messenger ribonucleic acid (mRNA) expression in peripheral blood of patients with nonsmall cell lung cancer (NSCLC) in micrometastasis.
Peripheral blood samples of 112 patients with NSCLC were collected, and the expression of LUNX, cytokeratin 19 (CK19), and carcinoembryonic antigen (CEA) mRNA was measured by reverse transcription-polymerase chain reaction (RT-PCR).
The expression of LUNX, CK19, and CEA mRNA was increased in peripheral blood of patients with NSCLC compared with that of patients with benign lung disease (P < 0.05), and the sensitivity of LUNX mRNA was higher than that of CK19 and CEA mRNA (P < 0.05). LUNX-positive expression was also associated with lymph node metastasis, tumor-node-metastasis (TNM) staging, and reduced 5-year survival rate of patients in our cohort (P < 0.05). Further, the 5-year survival improved for those LUNX-positive patients who became LUNX negative following adjuvant chemotherapy compar adjuvant chemotherapy treatment.
The objective is to assess the accuracy of high-resolution (HR) enhanced magnetic resonance imaging (MRI) images in the preoperative evaluation of biliary and vascular invasion in hilar cholangiocarcinomas.
This retrospective study included 36 patients with hilar cholangiocarcinoma who underwent enhanced HR-MRI with an effective section thickness of 1.2 mm at 3.0 T before surgery. Combined HR-MRI and magnetic resonance cholangiopancreatography (MRCP) images were compared with MRCP in evaluating the extent of biliary infiltration according to the Bismuth-Corlette classification. To determine the suitable criterion for HR-MRI in predicting vessel invasion, Labeling 180 and 90 of circumferential contact of the tumor with the vessel were used to predict the invasion. The correlation between imaging findings and surgical and histopathological records was statistically analyzed.
The accuracy in detecting biliary neoplastic invasion was higher for combined HR-MRI images (97.2%) than MRCP images (86.1%). HR-MRIvasion.
The objective of our study was to prospectively evaluate the feasibility, effectiveness, and safety of 1.0T open multiparametric magnetic resonance (MR)-guided and monitored microwave ablation (MWA) of liver cancer.
Fifty-six liver lesions (12 - initial hepatocellular carcinoma, 34 - recurrent hepatocellular carcinoma, and 10 - metastatic liver cancers) in 45 patients were treated with MWA ablation using MR guidance and monitoring. The mean diameter of the liver lesions was 1.7 ± 0.9 cm (range, 0.5-4.6 cm). The 56 liver lesions were divided into 3 groups according to diameter the <1.0 cm group (17 lesions), the 1.0-2.0 cm group (19 lesions), and the >2.0 cm group (20 lesions). Technical success, technical effectiveness, local tumor progression, procedure duration, and complications were assessed. see more Primary technical effectiveness was assessed 3 months after the MWA, while local tumor progression was assessed more than 3 months after the MWA. The follow-up time for assessment of treatment response rang primary technique effectiveness rates and is especially suitable when ultrasound and CT facilitated treatments are inappropriate.
The objective of this study was to evaluate the degradation characteristics and embolic effect of gelatin microspheres (GMSs) produced domestically in China through an experimental study comparing the embolization of rabbit renal arteries using GMSs and tris-acryl microspheres.
Sixteen healthy adult New Zealand white rabbits were randomly divided into two groups. Group A was embolized with GMSs produced in China with a diameter of 150-200 μm (n = 8), and Group B was embolized with tris-acryl microspheres with a diameter of 100-200 μm (n = 8). The renal arteries were embolized through femoral artery puncture and catheterization. Renal artery angiography rechecks and hematoxylin and eosin staining of tissue sections were performed at 1 day, 4 days, 7 days, and 14 days after embolization, respectively, to observe vascular recanalization, degradation of microspheres, and embolic effect.
Group A Digital subtraction angiography showed complete recanalization at 14 days. The changes in embolic necrotic areas at different time points after embolization were similar in the two groups.
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