A member asked:

Bilateral nipple discharge with stimulation, cytology was negative, no lump or mass seen on u/s.is this accurate test for breast cancer?

6 doctors weighed in across 2 answers

Not discharge...: One must differentiate pathologic discharge from physiologic secretion. The latter tends to be bilateral & non-spontaneous & originating from multiple terminal ducts. Considering your symptoms, age, normal cytology, and normal ultrasound, observation alone is appropriate.

Answered 11/2/2015

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Sort of: Cytology is not a great test to rule out cancer in the case of nipple discharge. Ultrasound is a good test but also doesn't rule out cancer. However bilateral discharge, only with stimulation, is extremely unlikely to represent cancer, especially at your age. Unilateral, spontaneous discharge is more concerning, as is bloody nipple discharge.

Answered 10/17/2019

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