The invention relates to a portable radiological cassette (3) comprising a casing (20) a digital detector of incident ionising radiation in the form of a flat panel (5) the detector being positioned in the casing and comprising a memory space (17) and suitable for generating a digital image of a patient subjected to ionising radiation to which patient an identification code is assigned (40) the digital image being stored in the memory space (17). According to the invention the cassette (3) comprises a selection device (39) for selecting the identification code (40) of the patient intended for writing the identification code (40) of the patient in the memory space (17). The invention further relates to a patient identification method.
