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  • 1
    ISSN: 1432-086X
    Keywords: Key words: Hepatocellular carcinoma—TAE—Embolization, transcatheter arterial
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Purpose: A survival analysis in 16 patients with unresectable hepatocellular carcinoma (HCC) undergoing transcatheter arterial embolization (TAE) using a combination of lipiodol and N-butyl-2-cyanoacrylate (5 : 1) was performed in a retrospective study. Methods: A combination of lipiodol and N-butyl-2-cyanoacrylate (5 : 1) was used for TAE. All patients had disease compatible with Okuda stages I and II. Results: Twenty-four embolizations were done; five patients had more than one embolization. Median alpha-fetoprotein levels declined from 116 to 48.6 ng/ml. A median of 0.3 ml cyanoacrylate was administered per patient. Median survival was 8.5 months (range 2–49 months). After a median follow-up of 4 years, 12 patients have died (75%). Okuda stage I and II patients had a median survival time of 34.4 and 5.5 months respectively. Few side effects (19%) were seen. Conclusion: We conclude that the TAE procedure used [lipiodol and N-butyl-2-cyanoacrylate (5 : 1)] is safe and produced only few side effects, thus constituting a valuable therapeutic option for patients with Okuda stage I andII HCC.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1619-7089
    Keywords: Key words:Technetium-99m-tetrofosmin ; 99mTc-MIBI ; Breast cancer ; Scintimammography ; Breast tumour diagnosis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. The aim of this study was to assess the diagnostic value of technetium-99m-tetrofosmin and technetium-99m-MIBI in a head-to-head comparison. Both radiopharmaceuticals are routinely used for detecting breast cancer. In a prospective, open, diagnostic trial, the two radiopharmaceuticals were administered randomly on different days to the same 101 women suffering from 103 breast tumours. Planar images and single photon emission computer tomography (SPET) were performed. After histological examination of the tumours, sensitivity, specificity and positive and negative predictive value were compared. 99mTc-tetrofosmin and 99mTc-MIBI showed low sensitivity in planar images (44% vs 46%, respectively). SPET improved sensitivity (70% vs 69%, respectively). Specificity in planar images was 83% and 87%, and it was even lower using SPET (70% vs 78%, respectively). Positive predictive value in planar images was 76% vs 81%, and it was not changed by SPET. Negative predictive value was low in planar images (54% vs 57%, respectively), but it was improved by using SPET (65% vs 67%, respectively). In conclusion, 99mTc-tetrofosmin and 99mTc-MIBI scintigraphy show similar diagnostic value in assessing suspicious breast lesions.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1573-7217
    Keywords: breast cancer ; 99m-Tc-tetrofosmin ; whole-body scintigraphy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Purpose.To assess the value of 99m-Tc-tetrofosmin (tetrofosmin) scintigraphy in patients with palpable and non-palpable breast lesions. Patients and methods.Prospective, blinded trial. One hundred and fifty-nine consecutive patients with 163 breast lesions detected by clinical examination and mammography were included. Tetrofosmin scintigraphy of the breast was performed additionally to the regular diagnostic procedure. Using histologic assessment as the golden standard, sensitivity, specificity, positive and negative predictive value for tetrofosmin scintigraphy of the breast were assessed. Results.Overall sensitivity and specificity were 82% and 84%. The sensitivity for palpable tumors (65%) was 93% compared to 62% for non-palpable breast lesions. Malignant lesions were nearly twice as big as benign lesions (31.5 mm± 2.4 vs. 16.9 mm ± 2.4). Specificity, positive and negative predictive value (84%, 89%, and 66%) did not differ significantly in palpable versus non-palpable tumors. Of malignant tumors 18% were found false negative by tetrofosmin scintigraphy. Conclusion.The results suggest that tetrofosmin scintigraphy is a valuable tool for the evaluation of palpable breast cancer. In patients with non-palpable tumors, tetrofosmin scintigraphy may not add to the work-up of patients with breast cancer due to a low sensitivity rate.
    Type of Medium: Electronic Resource
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