Positron emission tomography (PET), with the use of F-18 fluorodeoxyglucose (FDG), has been shown to be useful in the evaluation of many tumors as a result of its high sensitivity and specificity. There are instances, however, in which false-positive…
Chronic neuropathic pain poses a treatment challenge, and is associated with significant psychologic distress, physical disability, and impaired functioning, which impact the activities of daily living. Efforts to provide relief are often inadequate…
Although sarcoidosis has clinical and histopathologic similarities to some forms of tuberculosis and other mycobacterial infections, attempts to establish a mycobacterial etiology have not been successful. Using cytoplasmic antigens derived from a…
Sarcoidosis is a disease that causes noncaseating granulomas in tissues such as the lungs, heart, skin, and eyes. Sarcoidosis is often found through chest x-ray or lesions in the skin and eyes. In over half of patients the disease is detected…