Case 29 continued

OK, that was really the worst trick question in this teaching file so far. You'll see why.

This mammogram was read as negative, and a ductogram (answer c) was recommended to evaluate the bloody nipple discharge.

The duct is cut off by a round filling defect. Looking back at the mammogram (click on your browser's back button), one can see this mass in the retroareolar right breast.

If you had noticed this mass, you would have done spot mags and ultrasound, right? So, if you were so astute, answers a and b are also correct. [BUT, by the way, doing whole breast ultrasound for the work-up of discharge is NOT recommended.]

Some surgeons (especially those who do not have breast radiologists handy) dispense with the ductogram, and recommend central duct excision, since this is the outcome anyway with persistent bloody discharge. (So, if you said answer e, that could also be correct!) However, in most academic centers, ductography is done to localize any lesion prior to surgery, and often surgery is avoided in patients with entirely normal ductograms.

Rarely, one could imagine a case in which persistent bloody nipple discharge might trigger an MRI (answer d) after an entriely negative work-up, but it would not be your next step.

Continue Case 29

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