F-FDG PET/CT demonstrated high sensitivity for the diagnosis of patients with FUO. F-FDG PET/CT is an accurate technique in this setting, but the possibility of false-positive results should be kept in mind. This meta-analysis demonstrated the value of F-FDG PET/CT in the diagnosis of patients with FUO.
The results of our study indicate that both early and delayed phase (99m)Tc-sestamibi SPECT/CT should be performed in the preoperative evaluation of hemodialysis patients with sHPT due to chronic kidney disease. Performance of both early and delayed phase (99m)Tc-sestamibi SPECT/CT did not increase the radiation dose compared with the use of only the early or the delayed phase.
In patients with CHI, F-DOPA PET or PET/CT demonstrated high sensitivity and specificity. F-DOPA PET and PET/CT are accurate methods for the diagnosis of CHI. Nevertheless, possible sources of false-positive and false-negative results should be kept in mind.
During the period between 2000 and 2030, the number of persons older than 65 years is projected to grow from 550 to 937 million worldwide. Globally, this growth represents an increase from 6.9 to 12 %. Studies have found that 74.6 % of women and 67.4 % of men aged 65 years or older suffer from many clinical and subclinical syndromes and problems, including anorexia, undernutrition, weight loss, sarcopenia, and cachexia, which are often overlooked or managed inadequately. These issues are very common in the elder. The key clinical question is whether these changes in the elder are distinct entities or an interdependent continuum. In this article, we reviewed these issues of related basic, clinical knowledge. The purpose of this review is to enhance the recognition of anorexia, undernutrition, weight loss, sarcopenia, and cachexia.
FDG PET/CT was performed in a 20-year-old woman to find the underlying cause of hemophagocytic lymphohistiocytosis. The images revealed hypermetabolic activity in multiple lymph nodes and in the spleen. Lymphoma was suspected. However, the pathology of bone marrow, lymph nodes, and the spleen demonstrated chronic active Epstein-Barr virus–associated T-cell lymphoproliferative disorders.
Congenital hyperinsulinism (CHI) during infancy is characterized by inappropriate insulin secretion resulting in persistent hypoglycemia. This can lead to irreversible severe neurological damage in the infant. There are two main histologic subtypes: diffuse and focal, both of which may require different surgical strategies. It is very important to differentiate focal leisons from diffuse leisons. However, the differentiation of diffuse leisons from focal leisons is challenging. Affected pancreatic areas utilize dihydroxyphenylalanine (DOPA) at a higher rate than normal pancreatic tissues; thus, labeling of L-DOPA with fluorine-18 (18F-DOPA) allows functional mapping of hyperinsulinism using positron emission tomography/computed tomography (PET/CT). In this article, we reviewed the 18F-DOPA PET/CT application in CHI. The aim of this review is to enhance the recognition of 18F-DOPA PET/CT application in the diagnosis of CHI.
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