What is adenoid cystic carcinoma?

What is adenoid cystic carcinoma?

Adenoid cystic carcinoma (ACC) is an uncommon type of cancer that usually develops in the salivary glands or other areas of the head and neck. Sometimes it can form in other parts of the body, including your skin, breast tissue, cervix or prostate gland. ACC tumors may be solid, round and hollow or they may have holes in them (like Swiss cheese).