A portable gamma camera includes a containment body (2), a scintillation measuring structure (3) housed in the containment body (2), a collimator (4) associated with the measuring structure (3), a display (5) positioned on the containment body (2) and an electronic controller unit (6), operating between the measuring structure (3) and the display (5) for generating on the display (5) images representing the radiation intercepted by the measuring structure (3).