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Diagnostic Value of Nuclear Hybrid Imaging in Malignant Struma Ovarii: A Systematic Review of Case Reports.
Diagnostics (Basel)
November 2024
Faculty of Medicine, Department of Medical Imaging and Nuclear Medicine, "Iuliu Hațieganu" University of Medicine and Pharmacy, 8 V. Babeș St., 400006 Cluj-Napoca, Romania.
Background: Struma ovarii is a rare tumor, a type of ovarian mature teratoma consisting over 50% of its mass in thyroid ectopic tissue; 5% to 10% of cases, as described in the literature, are malignant and well known as malignant struma ovarii or thyroid cancer from struma ovarii. Due to the limited number of malignant struma ovarii cases, the diagnostic and therapeutic approach of malignant struma ovarii lacks in standardization.
Methods: We performed a comprehensive search on the English language PubMed and Google Scholar.
Exploring F-FDG uptake patterns in liver, spleen, and bone marrow: Implications for inflammatory and infectious conditions.
Hell J Nucl Med
December 2024
Dicle University Faculty of Medicine, Department of Nuclear Medicine, Dicle Üniversity Campus 21280, Diyarbakir, Turkey.
Objective: This study aimed to explore the relationship between fluorine-18-fluorodeoxyglucose (F-FDG) uptake in the liver, spleen, and bone marrow and inflammatory markers such as c-reactive protein (CRP), albumin, and erythrocyte sedimentation rate (ESR) in patients undergoing positron emission tomography/computed tomography (PET/CT) imaging for cancer diagnosis.
Subjects And Methods: This retrospective cross-sectional study included a total of 708 patients with a diagnosis of malignancy. Fluorine-18-FDG PET/CT images acquired between January 2021 and December 2022.
Diagnostic performance of fluorine-18-fluorodeoxyglucose PET/MRI for detection of disease recurrence in differentiated thyroid cancer: a compartment-based analysis.
Nucl Med Commun
November 2024
Department of Nuclear Medicine.
Article Synopsis
- The study aimed to assess the effectiveness of neck FDG PET/MRI in detecting disease relapse in differentiated thyroid cancer patients who have had total thyroidectomy and radioactive iodine therapy, comparing it with whole-body PET/CT and MRI.
- Twenty-nine DTC patients with elevated serum thyroglobulin levels and negative iodine scans underwent both PET/CT and neck PET/MRI, with follow-up examinations serving as the benchmark for evaluating diagnostic performance.
- Results showed that while PET/MRI had better specificity compared to PET/CT and MRI, its sensitivity was similar across all imaging methods; PET/MRI proved valuable for accurately ruling out suspicious findings and potentially influencing clinical management decisions.
Variants of physiological FDG vascular activity on digital PET.
Nucl Med Commun
November 2024
Department of Medical Imaging, Jewish General Hospital.
Objective: Fluorodeoxyglucose PET/computed tomography (FDG PET/CT) is effective in detecting large vessel vasculitis. Digital PET cameras have improved spatial resolution compared with analog PET, resulting in more prominent physiological uptake in arterial walls. This study's goal was to define qualitative normal variants of arterial activity on digital PET/CT.
View Article and Find Full Text PDFIntratumoral and peritumoral radiomics for preoperative prediction of neoadjuvant chemotherapy effect in breast cancer based on F-FDG PET/CT.
J Cancer Res Clin Oncol
November 2024
Department of Molecular Imaging and Nuclear Medicine, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Huanhuxi Road, Hexi Distinct, Tianjin, 300060, China.
Objective: To investigate the value of F-FDG PET/CT-based intratumoral and peritumoral radiomics in predicting the efficacy of neoadjuvant chemotherapy (NAC) for breast cancer.
Methods: 190 patients who met the inclusion and exclusion criteria from 2017 to 2022 were studied. Features were extracted from the PET/CT intratumoral and peritumoral regions, feature selection was performed through the correlation analysis, t-tests, and least absolute shrinkage and selection operator regression (LASSO).
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