The areas under the ROC curves showed that SUV2 and RI have the ability to discriminate between benign and malignant thyroid lesions. SUV2 and RI of the malignant lesions were significantly higher than the benign lesions. There was no statistically significant difference in SUV1 between benign and malignant lesions. These indices were compared between patient groups that were proven to have pathologically benign or malignant thyroid lesions. The maximum standardized uptake value (SUVmax) of the initial image (SUV1) and SUVmax of the delayed image (SUV2) were determined, and the retention index (RI) was calculated by dividing the difference between SUV2 and SUV1 by SUV1 (i. The Clinical Role of Dual-Time-Point F-FDG-avid incidental thyroid lesion. In the present study, an atypical adrenal incidentaloma case is presented, whose laboratory examinations were compatible with Subclinical Cushing's syndrome, urinary catecholamine metabolites were normal, but who histopathologically had pheochromocytoma diagnosis. However, coexistence of Cushing's syndrome and pheochromocytoma at the same time in the same case is quite rare. Silently developing Cushing's syndrome or pheochromocytoma can be observed in adrenal incidentalomas. A major part of adrenal incidentalomas are non-functional adenomas. Directory of Open Access Journals (Sweden)įull Text Available Adrenal incidentalomas are masses accidentally discovered while conducting radiological examinations for other purposes.
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