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  • 1
    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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