A rare subtype of invasive ductal carcinoma is medullary carcinoma of the breast which begins in the milk duct and spreads beyond it. Medullary carcinoma is accountable for about 3-5% of all breast cancer cases. “Medullary” comes as name due to tumor is soft and fleshy mass that resembles a part of the brain called the medulla.
It can be affected at any age, normally to women in their late 40s and also early 50s. It is widely known to women who have a BRCA1 mutation. More than United States, Japan is shown more signs of medullary carcinoma accordingly to studies.
Cells of Medullary carcinoma are usually lower grade in their behaviour and high grade in their appearance. They don’t act like highly abnormal cancer cells and look like aggressive. Medullary carcinoma usually doesn’t spread outside the breast to the lymph nodes and also they don’t grow quickly.