age 43 ,female, surgical menopause age 34, I have a thick black nipple discharge when expressed, when smeared on white paper looks gray. Have hypothyroidism .Could this be a prolactin pituitary tumor then caused the hypothyroidism?
Considering only the color and consistency of the fluid ( could be almost any color)could be a normal gland secretion that’s unrelated to any kind of medical problem,especially when the fluid is squeezed from the nipples and is present in both breasts.It could also be the result of a hormonal imbalance, inflamed ducts, fibrocystic breast changes or some medication you might perhaps be taking.
The time to be concerned about nipple discharge it's when it's spontaneous,persistent, comes from only one nipple,it's bloody or white and sticky like egg white.
If you are concerned about breast secretions you may actually cause it to worsen by repeatedly squeezing your nipples to check for nipple discharge. In these instances, leaving the nipples alone for a while may help the condition to improve.
Some nipple discharge could be caused by Pituitary gland tumors,but this condition should be evaluated by a medical professional to know for sure if this is the case in your particular situation.
Take care and best wishes...
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