□ Not feasible Reconstructed Image Interval Shall set to less than or equal to the Reconstructed Image Thickness (i.e. no gap, may have overlap). Spacing Between Slices (0018,0088) □ Routinely do already □ Feasible, will do □ Feasible, will not do □ Not feasible Subject Handling (section 3.8) Contrast Protocol Shall prescribe a contrast protocol (which may be No Contrast) that achieves enhancement consistent with baseline. □ Routinely do already □ Feasible, will do □ Feasible, will not do □ Not feasible Use of intravenous contrast Shall determine whether the selected contrast protocol, if any, will achieve sufficient tumor conspicuity. □ Routinely do already □ Feasible, will do □ Feasible, will not do □ Not feasible Use of oral contrast Shall determine whether the selected contrast protocol, if any, will achieve sufficient tumor conspicuity. □ Routinely do already □ Feasible, will do □ Feasible, will not do □ Not feasible Image QA (section 3.8) Patient Motion Artifacts Shall confirm the images containing the tumor are free from artifact due to patient motion. □ Routinely do already □ Feasible, will do □ Feasible, will not do □ Not feasible Dense Object Artifacts Shall confirm the images containing the tumor are free from artifact due to dense objects, materials or anatomic positioning. □ Routinely do already □ Feasible, will do □ Feasible, will not do □ Not feasible Clinical Conditions Shall confirm that there are no clinical conditions affecting the measurability of the tumor. □ Routinely do already □ Feasible, will do □ Feasible, will not do □ Not feasible Tumor Size Shall confirm (now or during measurement) that tumor longest diameter is between 10 mm and 100 mm. (For a spherical tumor this would roughly correspond to a volume between 0.5 cm3 and 524 cm3.) □ Routinely do already □ Feasible, will do □ Feasible, will not do □ Not feasible Tumor Margin Conspicuity Shall confirm the tumor margins are sufficiently conspicuous and unattached to other structures of equal density to distinguish the volume of the tumor. □ Routinely do already □ Feasible, will do □ Feasible, will not do □ Not feasible Contrast Enhancement Shall confirm that the phase of enhancement, if any, and degree of enhancement of appropriate reference structures (vascular or tissue) are consistent with baseline. □ Routinely do already □ Feasible, will do □ Feasible, will not do □ Not feasible Tumor Shall disqualify any tumor they feel might reasonably degrade the □ Routinely do already
remaining motionless, agitation in subjects with decreased levels of consciousness, subjects with chronic pain syndromes, etc.). (0010,4000 □ Not feasible Acquisition Field of View (FOV) Shall set Consistent with baseline. Data Collection Diameter (0018,0090) □ Routinely do already □ Feasible, will do □ Feasible, will not do □ Not feasible Image Data Reconstruction (section 3.7) Reconstruction Protocol Shall select a protocol that has been previously prepared and validated for this purpose (See section 3.4.2 "Protocol Design Specification"). Shall report if any parameters are modified beyond those specifications. □ Routinely do already □ Feasible, will do □ Feasible, will not do □ Not feasible In-plane Spatial Resolution Shall either select the same protocol as used for the baseline scan, or select a protocol with a recorded f50 value within 0.2 mm-1 of the f50 value recorded for the baseline scan protocol. See section 3.4.2 for further details. □ Routinely do already □ Feasible, will do □ Feasible, will not do □ Not feasible Voxel Noise Shall either select the same protocol as used for the baseline scan, or select a protocol with a recorded standard deviation within 5HU of the standard deviation recorded for the baseline scan protocol. See section 3.4.2 for further details. □ Routinely do already □ Feasible, will do □ Feasible, will not do □ Not feasible Reconstructed Image Thickness Shall set to between 0.5mm and 2.5mm (inclusive) if not set in the protocol. □ Routinely do already □ Feasible, will do □ Feasible, will not do □ Not feasible Reconstructed Image Interval Shall set to less than or equal to the Reconstructed Image Thickness (i.e. no gap, may have overlap) and consistent with baseline. □ Routinely do already □ Feasible, will do □ Feasible, will not do □ Not feasible Reconstruction Characteristics Shall set the reconstruction kernel and parameters consistent with baseline (i.e. the same kernel and parameters if available, otherwise the kernel most closely matching the kernel response of the baseline). Convolution Kernel Group (0018,9316), Convolution Kernel (0018,1210) □ Routinely do already □ Feasible, will do □ Feasible, will not do □ Not feasible Reconstruction Field of View Shall ensure the Field of View spans at least the full extent of the thoracic and abdominal cavity, Reconstruction Field of View □ Routinely do already □ Feasible, will do