title: Normal cholescintigram in In-111 WBC positive acute acalculous cholecystitis. The converse photopenic 'rim' sign.
abstract: The authors report a case of a patient with acute acalculous cholecystitis whose cholescintigram was negative, but showed a pericholecystic photopenic halo. The diagnosis was confirmed by an In-111 WBC scan and histopathology.
authors.affiliation: Department of Radiology, University of California San Francisco 94143-0252.
authors.forename: T R
authors.initials: TR
authors.lastname: Pounds
authors.forename: R S
authors.initials: RS
authors.lastname: Hattner
mesh_terms: D002764:Cholecystitis / Q000000981:diagnostic imaging*; D002769:Cholelithiasis; D005188:False Negative Reactions; D005260:Female; D006801:Humans; D007098:Imino Acids; D007205:Indium Radioisotopes; D007962:Leukocytes; D008875:Middle Aged; D015609:Organotechnetium Compounds; D011877:Radionuclide Imaging; D012680:Sensitivity and Specificity; D019780:Technetium Tc 99m Lidofenin
chemical_list: D007098:Imino Acids; D007205:Indium Radioisotopes; D015609:Organotechnetium Compounds; D019780:Technetium Tc 99m Lidofenin