title: CT perfusion imaging: know its assumptions and limitations.
authors.forename: Robert G
authors.initials: RG
authors.lastname: Sheiman
authors.forename: Arkadiusz
authors.initials: A
authors.lastname: Sitek
mesh_terms: D000230:Adenocarcinoma / Q000000981:diagnostic imaging* / Q000473:pathology; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D001810:Blood Volume / Q000502:physiology; D002933:Cineradiography; D003287:Contrast Media / Q000008:administration & dosage; D003937:Diagnosis, Differential; D003974:Diatrizoate Meglumine / Q000008:administration & dosage; D004239:Diverticulitis, Colonic / Q000000981:diagnostic imaging* / Q000473:pathology; D005260:Female; D005772:Gastrointestinal Transit / Q000502:physiology; D006801:Humans; D007091:Image Processing, Computer-Assisted / Q000379:methods; D007408:Intestinal Absorption / Q000502:physiology; D007479:Iopamidol / Q000008:administration & dosage; D008297:Male; D008875:Middle Aged; D011446:Prospective Studies; D012039:Regional Blood Flow / Q000502:physiology; D012680:Sensitivity and Specificity; D012810:Sigmoid Diseases / Q000000981:diagnostic imaging* / Q000473:pathology; D012811:Sigmoid Neoplasms / Q000000981:diagnostic imaging* / Q000473:pathology; D014057:Tomography, X-Ray Computed / Q000379:methods*
chemical_list: D003287:Contrast Media; D003974:Diatrizoate Meglumine; D007479:Iopamidol