Evaluation of focal XXXX incidentally detected in @entity419 positron emission tomography/computed tomography images.

@entity1 @entity3557 @entity419 @entity5 @entity400 @entity259 @entity1374
Background and Purpose: Increased uptake in the @entity1374 ( @entity1374 ) is often identified as an incidental finding on the whole body @entity419 positron emission tomography/computed tomography ( @entity419 PET/CT) in @entity259 @entity1 . Currently, there is no consensus on the appropriate approach for the management of these cases. Thyroid ultrasound, scintigraphy and @entity400 ( @entity400 ) are suggested to exclude @entity1374 . Our aim is to determine the importance of increased F-18-FDG uptake in the @entity1374 on positron emission tomography/computed tomography (PET/CT) scans in @entity1 who are being screened for various forms of @entity259 . Materials and Methods: We evaluated 2000 cases undergoing whole body PET/CT scanning between April 2011 and October 2012. The age, sex, type of primary @entity5 , maximum standardized uptake value (SUV max ), size of the thyroid nodules and cervical lymph nodes (CLNs) on @entity419 PET/CT images and if available, the biopsy results were evaluated. Results: In total, 57 @entity1 (23 @entity1 , 34 @entity1 , mean age    standard deviation (SD), 60.89    14 years) showed an increased @entity419 ( @entity419 ) uptake by the @entity1374 (average SUV max : 4.07    3.7). The CLNs were detected in 19/57 @entity1 (33%). Only 20 cases (35%) received @entity400 . The final histopathological diagnosis was @entity3557 in seven @entity1 (mean SUV max    SD: 6.0    5.43) and benign @entity1374 in seven @entity1 (mean SUV max    SD: 2.36    0.63). The @entity400 results were undetermined for six @entity1 . Conclusion: Focal high @entity419 uptake in the @entity1374 may be associated with an increased risk of @entity5 , but the clinical significance is unclear. More data are needed to elucidate the role of the SUV in the differentiation of benign and @entity1374 . If a focal increase in @entity419 uptake in the @entity1374 on PET/CT is present, a prompt histopathological evaluation should be suggested to clinicians for definitive diagnosis.
