Sep 26, 2019 · If the fluid is clear or watery and not bloody, and the lump shrinks as a result of the aspiration, it's most likely a cyst. Sometimes the fluid will be white, yellow-green, brown, or bloody, but only in rare cases will this mean that the lump is cancerous.
Cyst fluids can really have different consistencies or color especially if this have been aspirated for several times. Aspiration may disrupt the usual blood supply of these cysts and can indeed cause some bleeding. Sometimes, infection can set in giving a pus like or green color to the fluid.
Cysts are not harmful or dangerous, but they are sometimes uncomfortable or painful. Cyst in breast develops as a result of fluid accumulation inside the glands in the breasts. The fluid in a cyst might be clear or colored (for example yellow, green, orange or black). This fluid is normal and it is not necessary to send it for testing.
This medical test gives detailed information about breast cyst and nipple discharge fluid analysis, some special concerns, medical practitioner who performs it, things to do before and after the procedure, what you will experience during the test, possible risks and complications, and the results.