According to an example aspect is an imaging system for tomographic imaging of a body portion of a patient after administration of a radiopharmaceutical, the system comprising : a surface for supporting the body portion of the patient. The system further comprises a detector assembly positioned proximate the body portion. The detector assembly comprises at least one solid-state detecting unit, which itself comprises a nuclear detector and a collimator defining a solid collection angle. The system further comprises a processor for receiving collected data from the detector assembly.
