Diffuse large B-cell lymphoma (DLBCL) is a highly heterogeneous hematological malignancy resulting in a range of outcomes, and the early prediction of these outcomes has important implications for patient management. Clinical scoring systems provide the most commonly used prognostic evaluation criteria, and the value of genetic testing has also been confirmed by in-depth research on molecular typing. [F]-fluorodeoxyglucose positron emission tomography / computed tomography ([F]FDG PET/CT) is an invaluable tool for predicting DLBCL progression.
View Article and Find Full Text PDFBODIPY-based photosensitizers were synthesized and tested for antimicrobial photodynamic therapy, revealing structural modifications enhancing the photodynamic therapy (PDT) effects. This research may lead to new PDT strategies for treating bacterial infections, including those resistant to traditional antibiotics, and offers insights into the prevention and treatment of Alzheimer's disease through gut microbiota regulation.
View Article and Find Full Text PDFThis study aimed to assess the predictive value of baseline F-FDG PET radiomics features, metabolic parameters, and clinical factors for PFS and OS in elderly DLBCL patients. Using LASSO COX regression, we derived Radscore from PET radiomics features. We constructed and externally validated prognostic models, evaluating their performance through various metrics.
View Article and Find Full Text PDFEur J Nucl Med Mol Imaging
July 2024
Purpose: A series of new Ga-labeled tracers based on [Ga]Ga-PSMA-617 were developed to augment the tumor-to-kidney ratio and reduce the activity accumulation in bladder, ultimately minimize radiation toxicity to the urinary system.
Methods: We introduced quinoline group, phenylalanine and decanoic acid into different tracers to enhance their lipophilicity, strategically limiting their metabolic pathway through the urinary system. Their binding affinity onto LNCaP cells was determined through in vitro saturation assays and competition binding assays.
Radiopharmaceuticals targeting prostate-specific membrane antigens (PSMA) are essential for the diagnosis, evaluation, and treatment of prostate cancer (PCa), particularly metastatic castration-resistant PCa, for which conventional treatment is ineffective. These molecular probes include [Ga]PSMA, [F]PSMA, [AlF]PSMA, [Tc]PSMA, and [Zr]PSMA, which are widely used for diagnosis, and [Lu]PSMA and [Ac]PSMA, which are used for treatment. There are also new types of radiopharmaceuticals.
View Article and Find Full Text PDFSolitary fibrous tumors are fibroblast tumors that occur mainly in the peritoneum, extremities, and pleura. Here, we report the MRI, FDG PET/CT, and FAPI PET/CT findings of a rare prostate solitary fibrous tumor. A 57-year-old man was pathologically diagnosed with a solitary fibrous tumor.
View Article and Find Full Text PDFPositron emission tomography/computed tomography (PET/CT) with F-fluorodeoxyglucose (F-FDG) is currently a standard imaging examination used in clinical practice, and plays an essential role in preoperative systemic evaluation and tumor staging in patients with tumors. However, F-FDG PET/CT has certain limitations in imaging of some tumors, like gastric mucus adenocarcinoma, highly differentiated hepatocellular carcinoma, renal cell carcinoma, and peritoneal metastasis. Therefore, to search for new tumor diagnosis methods has always been an important topic in radiographic imaging research.
View Article and Find Full Text PDFEvid Based Complement Alternat Med
October 2021
In this prospective study, we used the random number table method to equally divide 141 patients with chronic nonspecific low back pain (CNLBP) who met the inclusion criteria into 3 groups. One group who received massage manipulation therapy was recorded as the manipulation group ( = 47), one other group who received core strength training therapy was recorded as the training group ( = 47), and the other group who received massage manipulation combined with core strength training was recorded as the combination group ( = 47). All the patients were treated for 1w as the course of treatment, with the treatment conducted for 5 d/w for 4 w and 12 w of follow-up.
View Article and Find Full Text PDFPurpose: Machine learning (ML) can extract high-throughput features of images to predict disease. This study aimed to develop nomogram of multi-parametric MRI (mpMRI) ML model to predict the risk of breast cancer.
Methods: The mpMRI included non-enhanced and enhanced T1-weighted imaging (T1WI), T2-weighted imaging (T2WI), apparent diffusion coefficient (ADC), , , , and .
Background: The higher level of background parenchymal enhancement (BPE) at breast magnetic resonance imaging (MRI) has drawn considerable attention in the early detection and prediction of breast cancer. It has been reported that there is a possible relationship between the level of BPE at breast MRI and the presence of breast cancer. This meta-analysis was performed to evaluate this relationship.
View Article and Find Full Text PDFTo explore radiomic features of pharmacokinetic dynamic contrast-enhanced (Pk-DCE) MRI on the extensive Tofts model to diagnose breast cancer and predict molecular phenotype. Breast lesions enrolled must undergo Pk-DCE MRI before treatment or puncture, and be identified as primary lesions by pathology. K, K, V and V were generated on the extensive Tofts model.
View Article and Find Full Text PDFObjective: To investigate the clinical application value of the Mo-targeted X-ray examination, color Doppler ultrasound and magnetic resonance imaging (MRI) in the diagnosis and preoperative comprehensive evaluation of breast cancer.
Methods: Among 170 breast cancer patients, they underwent Mo-targeted X-ray examination, color Doppler ultrasound and MRI before surgery to evaluate the lesions in breast, axillary lymph nodes and the availability of breast-conserving surgery.
Results: The detection rates using color Doppler ultrasound examination and MRI were higher than that in the Mo-targeted X-ray examination, which were 90%, 94% and 82%, respectively ( 0.
Int J Pediatr Otorhinolaryngol
November 2019
Objectives: More than 50% of congenital hearing loss is attributed to genetic factors. Data of gene mutation associated with hearing loss from large population studies in Chinese population are scarce. In this study, we conducted a comprehensive newborn genetic screening in China to establish the carrier frequency and mutation spectrum of deafness-associated genes.
View Article and Find Full Text PDFEur Arch Otorhinolaryngol
October 2019
Purpose: Endolymphatic sac tumor (ELST) is a rare, slow-growing, and low-grade malignant tumor arising from the endolymphatic sac in the posterior petrous bone. The purpose of this study is to describe the clinical and radiologic features, and investigate the clinicoradiologic correlation of ELST.
Methods: We retrospectively reviewed the clinical, computed tomography (CT), magnetic resonance imaging (MRI), and pathologic findings of 14 patients with 15 ELSTs.
Purpose: Ductal carcinoma in situ (DCIS) is a precursor of invasive ductal breast carcinoma (IDC). This study aimed to use pharamcokinetic dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) and intravoxel incoherent motion diffusion-weighted imaging (IVIM-DWI) for the early diagnosis of DCIS.
Methods: Forty-seven patients, including 25 with DCIS (age: 28-70 yr, mean age: 48.
Purpose: We compared the accuracy of magnetic resonance (MR) urethrography and X-ray urethrography with operative findings for urethral strictures and observed their effects on treatment.
Materials And Methods: A total of 87 male patients (10-85 years of age) treated from January 2015 to December 2016 were included in the study. X-ray and MR urethrograms were performed for all patients to determine the location, length, and degree of urethral strictures and the organizational structure around the urethra, and the results were compared with the operative findings.
Background: Lymphopenia occurs commonly in esophageal squamous cell carcinoma (ESCC) and may influence treatment outcomes. We aimed to examine its association with treatment response and tumor progression in patients with locally advanced ESCC treated with concurrent chemoradiotherapy (CCRT).
Materials And Methods: A total of 286 patients with stage II-IVa ESCC treated with CCRT between 2015 and 2017 were analyzed.
This study analyzed the correlation between the dynamic contrast-enhanced MRI (DCE-MRI) features with prognostic factors of breast cancer. Eighty-five breast cancer patients verified by pathology and immunohistochemistry underwent DCE-MRI examination. Spearman correlation analysis was used to analyze the DCE-MRI features [the strengthening types, shape, distribution, edge, internal reinforcement and the time-signal intensity curve (TIC) types] and the 4 immunohistochemical markers (ER, PR, Her-2, and Ki-67) by GraphPad InStat version 6.
View Article and Find Full Text PDFBrain damage following a perinatal hypoxic-ischemic encephalopathy (HIE) can be diagnosed by different techniques. The aim of the present study was to combine magnetic resonance (MR) imaging with proton MR spectroscopy in HIE diagnosis and to evaluate their correlation with outcome. A prospective observational cohort study was performed between February 2012 and February 2013.
View Article and Find Full Text PDFBackground: Balanced steady-state free precession MR angiography (b-SSFP MRA) has shown great promise in diagnosing renal artery stenosis (RAS) as a non-contrast MR angiography (NC-MRA) method. However, results from related studies are inconsistent. The purpose of this meta-analysis was to assess the accuracy of b-SSFP MRA compared to contrast-enhanced MR angiography (CE-MRA) in diagnosing RAS.
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