RESUMEN
This selective retrospective study was undertaken to establish whether the gallbladder contraction (ejection fraction) calculated during cholescintigraphy correlates with the histopathologic changes in the surgical specimen. The medical records of 243 patients who underwent hepatobiliary scintigraphy were reviewed. Of these, 215 patients had cholecystokinin cholescintigraphy and 100 went on to cholecystectomy. The original histologic slides from 67 gallbladders were available and reviewed by a pathologist who graded each specimen based on presence and severity of changes associated with "chronic" cholecystitis. There was no significant correlation between the severity of histopathologic change and cholecystokinin-induced gallbladder emptying.
Asunto(s)
Colecistitis/diagnóstico por imagen , Vesícula Biliar/diagnóstico por imagen , Adulto , Anciano , Colecistectomía , Colecistitis/epidemiología , Colecistitis/patología , Femenino , Vesícula Biliar/fisiopatología , Vesícula Biliar/cirugía , Humanos , Iminoácidos , Masculino , Persona de Mediana Edad , Compuestos de Organotecnecio , Cintigrafía , Estudios Retrospectivos , Lidofenina de Tecnecio Tc 99mRESUMEN
Lower limb perfusion was evaluated with intravenous Tl-201 and angiography. Tl-201 was injected about 4 minutes after the cessation of stress; this resulted in increased uptake in muscles supplied by stenosed vessels. These results differ from previous studies and emphasize that differing results will be obtained with variations in the time of Tl-201 injection. Redistribution images are unchanged when Tl-201 is administered in this manner.