Medical Radiologic Technologist Review: Effects on a Population-based Breast Cancer Screening Program1
Jon M. Tonita, BSc, MSc,
Joanne P. Hillis, MD, FRCPC and
Chong-Ha Lim, MD, FRCPC
1 From the Saskatchewan Cancer Agency, Epidemiology, Prevention and Screening, 4101 Dewdney Ave, Regina, Saskatchewan, Canada S4T 7T1. Received March 26, 1998; revision requested May 12; final revision received August 17; accepted October 26. Address reprint requests to J.M.T.

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Figure 1. Flowchart demonstrates the effect of technologist review on mammographic results. Rad = radiologist, Tech = technologist.
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Figure 2a. (a) Craniocaudal and (b) oblique mammograms show a large spiculated mass (arrow) in a 65-year-old woman with invasive lobular carcinoma.
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Figure 2b. (a) Craniocaudal and (b) oblique mammograms show a large spiculated mass (arrow) in a 65-year-old woman with invasive lobular carcinoma.
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Figure 3a. (a) Craniocaudal and (b) oblique mammograms show a subtle spiculated mass (arrow) in a 51-year-old woman with lobular carcinoma.
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Figure 3b. (a) Craniocaudal and (b) oblique mammograms show a subtle spiculated mass (arrow) in a 51-year-old woman with lobular carcinoma.
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Figure 4a. (a) Craniocaudal and (b) oblique mammograms in a 51-year-old woman with invasive ductal carcinoma. Microcalcifications and distortion (arrow in b) are visible only in b.
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Figure 4b. (a) Craniocaudal and (b) oblique mammograms in a 51-year-old woman with invasive ductal carcinoma. Microcalcifications and distortion (arrow in b) are visible only in b.
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Copyright © 1999 by the Radiological Society of North America.