title: Accuracy or inaccuracy of spleen mass measurements from radionuclide images.
abstract: In a retrospective study, scintigraphic spleen size was compared with actual spleen weight. Using the formula W = pi/7 h (h2 + 3ab), the normal weight was calculated too large and splenic enlargement was calculated too small. Other scintigraphic parameters seem to be just as unreliable. We suggest to judge scintigraphic spleen mass as normal and only be enlarged in obvious situations.
mesh_terms: D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011877:Radionuclide Imaging; D012189:Retrospective Studies; D013154:Spleen / Q000033:anatomy & histology / Q000000981:diagnostic imaging*; D013667:Technetium; D017556:Technetium Compounds; D014001:Tin; D017971:Tin Compounds
chemical_list: D017556:Technetium Compounds; D017971:Tin Compounds; C033493:technetium Tc 99m tin colloid; D013667:Technetium; D014001:Tin