title: Optimal injection protocol for CT evaluation during hepatic arterial infusion chemotherapy.
abstract: OBJECTIVE
  As an imaging modality for follow-up during continuous or repeated hepatic arterial infusion chemotherapy using a hepatic intra-arterial indwelling catheter, the usefulness of CT while infusing contrast through the indwelling catheter (reservoir port) was examined.
  
  
  METHODS
  Using reservoir ports implanted in eight patients with hepatic metastasis from colon cancer, radioisotope perfusion scintigraphy (RI), CT (three rates of infusion of contrast were used), and digital subtraction angiography (AG) were performed to compare the modalities' ability to visualize the intrahepatic and abnormal extrahepatic distributions.
  
  
  RESULTS
  CT (infusion rate 0.1 mL/sec) was superior to AG and RI in terms of the ability to visualize intrahepatic distribution, particularly in small areas, and facilitated 3D delineation of the distribution. In evaluating extrahepatic distribution, CT also outperformed the other modalities.
  
  
  CONCLUSIONS
  For imaging study follow-up during hepatic arterial infusion chemotherapy, CT proved to be more useful than conventional RI and AG.
authors.affiliation: Department of Radiology, National Cancer Center Hospital East, Kashiwa City, Chiba, Japan.
authors.forename: M
authors.initials: M
authors.lastname: Morimoto
authors.forename: M
authors.initials: M
authors.lastname: Satake
authors.forename: R
authors.initials: R
authors.lastname: Sekiguchi
authors.forename: M
authors.initials: M
authors.lastname: Haruno
authors.forename: N
authors.initials: N
authors.lastname: Moriyama
mesh_terms: D000368:Aged; D000964:Antimetabolites, Antineoplastic / Q000008:administration & dosage* / Q000627:therapeutic use; D002408:Catheters, Indwelling; D003110:Colonic Neoplasms / Q000000981:diagnostic imaging* / Q000188:drug therapy / Q000473:pathology; D005260:Female; D005472:Fluorouracil / Q000008:administration & dosage* / Q000627:therapeutic use; D006499:Hepatic Artery / Q000000981:diagnostic imaging*; D006801:Humans; D007261:Infusions, Intra-Arterial; D007479:Iopamidol; D008113:Liver Neoplasms / Q000000981:diagnostic imaging* / Q000188:drug therapy / Q000556:secondary; D008297:Male; D008875:Middle Aged; D012189:Retrospective Studies; D013668:Technetium Tc 99m Aggregated Albumin; D015899:Tomography, Emission-Computed, Single-Photon; D014057:Tomography, X-Ray Computed; D016896:Treatment Outcome
chemical_list: D000964:Antimetabolites, Antineoplastic; D013668:Technetium Tc 99m Aggregated Albumin; D007479:Iopamidol; D005472:Fluorouracil