Tophaceous Gout Presenting as a Fluorodeoxyglucose Avid Anterior Mediastinal Mass

In this case report we describe an unusual presentation of gout, manifesting as an FDG PET/CT avid anterior mediastinal mass mimicking a malignancy. The unusual observation of tophaceous gout in the anterior mediastinum is of relevance to chest physicians and surgeons, as well as radiologists and pathologists evaluating patients with lesions in the mediastinum.