A magnetoscop inspection system and a turbine component, the magnetoscop inspection system comprises: a magnetoscop configured to measure a permeability at a plurality of inspection points of the turbine component; a computed tomography unit configured to generate a measured profile of a hollowed portion of the turbine component based at least in part on the permeability at the measured inspection points; and a corrosion model unit configured to store in memory at least one reference CT profile corresponding to a given known turbine component, wherein: the magnetoscop inspection system is configured to determine a structural integrity of the turbine component based on a comparison between the measured profile and a reference CT profile corresponding to the turbine component; the turbine component is a turbine blade, and the measured profile is a profile of an internal cooling passage contained in a hollowed portion of the turbine blade; the measured profile further includes a pressure-side wall and the suction-side wall, the pressure-side wall and the suction-side wall each including an outer wall surface (210, 214) and an inner wall surface (212, 216), and the corrosion model unit is configured to determine one or both of a thickness of at least one corrosion element (218, 220) located in the internal cooling passage and a thickness of non-corroded wall portions of the turbine blade based at least in part on comparison between the measured profile and the reference CT profile. a magnetoscop configured to measure a permeability at a plurality of inspection points of the turbine component; a computed tomography unit configured to generate a measured profile of a hollowed portion of the turbine component based at least in part on the permeability at the measured inspection points; and a corrosion model unit configured to store in memory at least one reference CT profile corresponding to a given known turbine component, wherein: the magnetoscop inspection system is configured to determine a structural integrity of the turbine component based on a comparison between the measured profile and a reference CT profile corresponding to the turbine component; the turbine component is a turbine blade, and the measured profile is a profile of an internal cooling passage contained in a hollowed portion of the turbine blade; the measured profile further includes a pressure-side wall and the suction-side wall, the pressure-side wall and the suction-side wall each including an outer wall surface (210, 214) and an inner wall surface (212, 216), and the corrosion model unit is configured to determine one or both of a thickness of at least one corrosion element (218, 220) located in the internal cooling passage and a thickness of non-corroded wall portions of the turbine blade based at least in part on comparison between the measured profile and the reference CT profile. the magnetoscop inspection system is configured to determine a structural integrity of the turbine component based on a comparison between the measured profile and a reference CT profile corresponding to the turbine component; the turbine component is a turbine blade, and the measured profile is a profile of an internal cooling passage contained in a hollowed portion of the turbine blade; the measured profile further includes a pressure-side wall and the suction-side wall, the pressure-side wall and the suction-side wall each including an outer wall surface (210, 214) and an inner wall surface (212, 216), and the corrosion model unit is configured to determine one or both of a thickness of at least one corrosion element (218, 220) located in the internal cooling passage and a thickness of non-corroded wall portions of the turbine blade based at least in part on comparison between the measured profile and the reference CT profile.