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…
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…
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…
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…