title: Radionuclide image patterns of hepatic metastasis and pyogenic abscess: difficulties in differential diagnosis.
abstract: A case of hepatic metastasis with a clinical differential diagnosis of amebic and bacterial abscess is presented. Hepatic scanning with 67Ga-citrate did not diagnostically differentiate the lesion. Hepatic arteriography combined with a therapeutic trial of metronidazole proved useful in defining the lesion. An understanding of the pathophysiologic process involved in 67Ga scanning of hepatic lesions suggests a non-invasive method of discriminating among these clinical diagnostic possibilities.
mesh_terms: D000230:Adenocarcinoma / Q000000981:diagnostic imaging*; D003937:Diagnosis, Differential; D005710:Gallium Radioisotopes; D006801:Humans; D008100:Liver Abscess / Q000000981:diagnostic imaging*; D008101:Liver Abscess, Amebic / Q000000981:diagnostic imaging*; D008113:Liver Neoplasms / Q000000981:diagnostic imaging*; D008297:Male; D008875:Middle Aged; D009362:Neoplasm Metastasis; D011877:Radionuclide Imaging
chemical_list: D005710:Gallium Radioisotopes