A cyst is a neck-shaped structure located in the collar of the bag is filled with liquids, solids or gases. They vary in size from microscopic to very large in nature. In many cases, a cyst in the neck may be confused with cancer, but unlike cancerous lumps, cysts are rarely cause for alarm and often require little or no treatment.There are many causes of a cyst neck, including blockages in the ducts of normal cell abnormalities, inflammatory diseases or infections. Unlike cancerous lumps, cysts are not usually develop quickly, or spread to other parts of the body. When one feels for a cyst or a lump, there are ways to distinguish between cancerous tumors and cysts of the neck is not cancer. Cysts are usually milder in form and can move under the skin. Cancer often has poorly defined edges and is very hard and unmovable.
