Benign ear cysts are noncancerous lumps or growths within the canal of the ear, pinna, or other parts of the ear. Sebaceous cysts are the most common cysts seen in the ear. They are bulging, sac-like ...
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 ...