Ductal lavage
Encyclopedia
Ductal lavage is a method used to collect
cells from milk ducts in the breast
. A hair-size catheter
(tube) is inserted into the nipple
, and a small amount of salt water
is released into the duct
. The water picks up breast cells, and is removed. The cells are checked under a microscope
. Ductal lavage may be used in addition to clinical
breast examination and mammography
to detect breast cancer
.
Collect
In Christian liturgy, a collect is both a liturgical action and a short, general prayer. In the Middle Ages, the prayer was referred to in Latin as collectio, but in the more ancient sources, as oratio. In English, and in this usage, "collect" is pronounced with the stress on the first syllable...
cells from milk ducts in the breast
Breast
The breast is the upper ventral region of the torso of a primate, in left and right sides, which in a female contains the mammary gland that secretes milk used to feed infants.Both men and women develop breasts from the same embryological tissues...
. A hair-size catheter
Catheter
In medicine, a catheter is a tube that can be inserted into a body cavity, duct, or vessel. Catheters thereby allow drainage, administration of fluids or gases, or access by surgical instruments. The process of inserting a catheter is catheterization...
(tube) is inserted into the nipple
Nipple
In its most general form, a nipple is a structure from which a fluid emanates. More specifically, it is the projection on the breasts or udder of a mammal by which breast milk is delivered to a mother's young. In this sense, it is often called a teat, especially when referring to non-humans, and...
, and a small amount of salt water
Saline water
Saline water is a general term for water that contains a significant concentration of dissolved salts . The concentration is usually expressed in parts per million of salt....
is released into the duct
Duct (anatomy)
In anatomy and physiology, a duct is a circumscribed channel leading from an exocrine gland or organ.-Types of ducts:Examples include:-Duct system:...
. The water picks up breast cells, and is removed. The cells are checked under a microscope
Microscope
A microscope is an instrument used to see objects that are too small for the naked eye. The science of investigating small objects using such an instrument is called microscopy...
. Ductal lavage may be used in addition to clinical
Physical examination
Physical examination or clinical examination is the process by which a doctor investigates the body of a patient for signs of disease. It generally follows the taking of the medical history — an account of the symptoms as experienced by the patient...
breast examination and mammography
Mammography
Mammography is the process of using low-energy-X-rays to examine the human breast and is used as a diagnostic and a screening tool....
to detect breast cancer
Breast cancer
Breast cancer is cancer originating from breast tissue, most commonly from the inner lining of milk ducts or the lobules that supply the ducts with milk. Cancers originating from ducts are known as ductal carcinomas; those originating from lobules are known as lobular carcinomas...
.
External links
- Ductal lavage entry in the public domain NCI Cancer Dictionary