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| http://dx.doi.org/10.1590/1980-57642018dn13-030013 | DOI Listing |
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Rare Primary Pericardial Mesothelioma on an [18F]FDG PET/CT Scan and Its Postchemotherapy Response Evaluation.
Indian J Nucl Med
November 2024
Department of Nuclear Medicine and PET CT, Bombay Hospital and Medical Research Centre, Mumbai, Maharashtra, India.
Primary pericardial mesothelioma is a highly aggressive and rare neoplasm that arises from the pericardial mesothelial cell and has a poor prognosis. The diagnosis is usually established by histological and immunohistochemical studies. Malignant mesothelioma most frequently occurs from the pleura (90%), less frequently from the peritoneum and pericardium (6%-10%), and very rarely from the tunica vaginalis in the testis.
View Article and Find Full Text PDFAtypical Presentation of Carcinoma Breast as Paraneoplastic Cerebellar Degeneration on [18F]FDG PET/CT.
Indian J Nucl Med
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Department of Nuclear Medicine, All India Institute of Medical Sciences, Jodhpur, Rajasthan, India.
Paraneoplastic neurological syndrome (PNS) represents a rare group of central nervous system disorders that are unrelated to direct tumor invasion or metastasis but may be triggered by an immune system reaction to a neoplasm or malignant tumor. In many patients, PNS is diagnosed before identifying the primary cancer. In such instances, positron emission tomography/computed tomography scan can assess individuals with suspected PNS enabling the detection of hidden malignancies.
View Article and Find Full Text PDF[18F]FDG PET/CT in Necrotizing Fasciitis: A Case Series Investigating the Clinical Utility in a Challenging and Rare Condition.
Indian J Nucl Med
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Radiation Medicine Centre, Bhabha Atomic Research Centre, TMC Annexe, Mumbai, Maharashtra, India.
Necrotizing fasciitis is a deadly yet rare soft tissue and skin infection that is usually diagnosed clinically. At times, clinical signs may betray the underlying etiology and masquerade as cellulitis in the early course of the disease. We report four cases with clinical suspicion of necrotizing fasciitis, some after the failure of therapy for cellulitis who underwent 18-F fluorodeoxyglucose positron emission tomography-computed tomography (18-F FDG PET/CT) showing the extent of the disease, showing subclinical sites of involvement in patients with necrotizing fasciitis on baseline scan as well as its role in assessing response to treatment using 18-F FDG PET/CT.
View Article and Find Full Text PDFAbscopal Effect Demonstrated on [18F]FDG PET/CT in a Case of Renal Cell Carcinoma Postnephrectomy.
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Department of Nuclear Medicine, All India Institute of Medical Sciences, New Delhi, India.
Renal cell carcinoma accounts for 3% of all malignancies with many of them presenting with metastasis at the time of presentation. The abscopal effect, a phenomenon characterized by systemic bystander effects on nontargeted lesions due to local therapy, has been extensively studied in the context of radiotherapy and immunotherapy. However, documentation of the abscopal effect following surgery remains limited.
View Article and Find Full Text PDFSuperiority of 18F-FAPI-42 PET/CT in Eosinophilic Gastrointestinal Disorders.
Clin Nucl Med
December 2024
From the NanFang PET Center, NanFang Hospital, Southern Medical University, Guangzhou, Guangdong Province, China.
We report a rare case of eosinophilic gastrointestinal disorders in a 60-year-old woman, which extensively involved the digestive tract from the esophagus, gastric, duodenum to the small intestine, depicted well by 18F-FAPI-42 PET/CT, superior to 18F-FDG PET/CT. Under the guidance of 18F-FAPI-42 PET/CT, the biopsy was successfully performed, and the diagnosis was established. This case highlights that 18F-FAPI-42 PET/CT may serve as a novel noninvasive method for evaluating eosinophilic gastrointestinal disorders.
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