Which diagnostic test is used to confirm a suspected diagnosis of breast cancer?
a. Mammogram
b. Ultrasound
c. Fine-needle aspiration (FNA)
d. CA 15-3
C
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A Mammography is a clinical screening tool that may aid in early detection of breast cancers.
B Transillumination, thermography, and ultrasound breast imaging are being ex-plored as methods of detecting early breast carcinoma.
C When a suspicious mammogram is noted or a lump is detected, diagnosis is confirmed by FNA, core needle biopsy, or needle localization biopsy.
D CA-15 is a serum tumor marker that is used to test for residual disease.
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