These lumps are lymph nodes or glands that are located all over the body, including behind the ears, and contain immune cells that help fight infection. Crowds in St. Peter's Square cheered as ...

A lump behind the ear can have many possible causes. The most common include swollen lymph nodes caused by an uncomplicated infection. These lumps are typically harmless and relatively easy to treat.

A lump behind the ear can have many potential causes, including acne, cysts, and infections. Swollen lymph nodes and certain cancers can also cause lumps. It is best to contact a doctor for advice ...