Incidentally Detected Gastrointestinal Stromal Tumor in a Patient with Carcinoma Prostate: Ga-Prostate-Specific Membrane Antigen Versus F-Fluorodeoxyglucose Positron Emission Tomography/Computed Tomography.

Uptake of Ga-prostate-specific membrane antigen (PSMA) in various nonprostatic tumors is well documented in the literature. We present a case of a gastrointestinal stromal tumor, incidentally detected on Ga-PSMA positron emission tomography/computed tomography imaging in a patient who underwent imaging for a suspected recurrence of carcinoma prostate.

Stoma Site Infection Mimicking Lymphoma Recurrence: Potential Pitfall on F FDG Positron Emission Tomography-Computed Tomography.

FDG uptake is an unreliable tool when it comes to distinguish between infectious and malignant etiology particularly in conditions involving the lymph nodes. We describe a case of a 42-year-old man who has been operated for ileal lymphoma two decades back and now developed ileostomy site infection which masqueraded as lymphoma recurrence on F FDG positron emission tomography-computed tomography.