Medically reviewed by Sukaina Hasnie, MD Key Takeaways A lump behind the ear can be caused by swollen lymph nodes, which are common and usually harmless.Most lumps behind the ear are benign and can be ...

The ear is a complex organ consisting of the outer, middle, and inner ear. The inner ear is the deepest part of the ear, resting in the temporal bone. It is responsible for hearing, balance, and ...