GENERAL RADIOLOGY

Hepatobiliary FDG PET/CT

Jun 18, 2019 by in GENERAL RADIOLOGY Comments Off on Hepatobiliary FDG PET/CT

Abstract It is important to understand the differential diagnosis for solid and cystic liver lesions. Malignant solid liver lesions include metastases, lymphoma, and primary malignancies such as hepatocellular carcinoma (HCC)…

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Measuring Treatment Response on FDG PET/CT

Jun 18, 2019 by in GENERAL RADIOLOGY Comments Off on Measuring Treatment Response on FDG PET/CT

Abstract Currently, the most common method of measuring treatment response in malignancy use size measurements on CT and magnetic resonance (MR). However, metabolic changes in tumors, measurable by FDG PET/CT,…

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Head and Neck on FDG PET/CT

Jun 18, 2019 by in GENERAL RADIOLOGY Comments Off on Head and Neck on FDG PET/CT

Abstract The head and neck have complex anatomy and there are multiple causes of physiologic FD avidity in the head and neck. Proper evaluation of benign and malignant lesions depends…

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Adrenal Glands on FDG PET/CT

Jun 18, 2019 by in GENERAL RADIOLOGY Comments Off on Adrenal Glands on FDG PET/CT

Abstract FDG-avid adrenal lesions may be malignant (metastases, lymphoma, adrenal cortical carcinoma) or benign (such as adenomas). Most benign adrenal neoplasms demonstrate background FDG avidity; however, a small percentage of…

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Spleen on FDG PET/CT

Jun 18, 2019 by in GENERAL RADIOLOGY Comments Off on Spleen on FDG PET/CT

Abstract FDG-avid splenic lesions may be malignant (lymphoma most commonly) or benign, such as infections and sarcoid. Benign causes of splenic FDG avidity are common and must be distinguished from…

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Introduction to FDG PET/CT

Jun 18, 2019 by in GENERAL RADIOLOGY Comments Off on Introduction to FDG PET/CT

Abstract FDG PET/CT is a hybrid functional and anatomical imaging method with substantial application in oncology. This chapter introduces FDG PET/CT and how the functional and anatomic components combine into…

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Lung on FDG PET/CT

Jun 18, 2019 by in GENERAL RADIOLOGY Comments Off on Lung on FDG PET/CT

Abstract The lung is an organ where integration of data from FDG PET, the CT, and the clinical history is particularly important. There are many FDG-avid lung lesions which will…

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Heart on FDG PET/CT

Jun 18, 2019 by in GENERAL RADIOLOGY Comments Off on Heart on FDG PET/CT

Abstract For oncologic FDG PET/CT scans, the patient is in the fasted state and the myocardium has variable utilization of glucose versus other sources of energy for metabolism. This results…

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Muscle and Nerve on FDG PET/CT

Jun 18, 2019 by in GENERAL RADIOLOGY Comments Off on Muscle and Nerve on FDG PET/CT

Abstract Muscles and nerves may demonstrate benign physiologic FDG avidity and must be distinguished from malignancy. This chapter describes common appearances of benign FDG avidity in muscles and nerves and…

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Thymus Masses on FDG PET/CT

Jun 18, 2019 by in GENERAL RADIOLOGY Comments Off on Thymus Masses on FDG PET/CT

Abstract FDG avidity in the thymus is often benign thymic rebound. The characteristic triangular shape of benign thymus will distinguish it from malignancy. Thymic malignancies are uncommon, but include thymic…

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