Medically reviewed by Sukaina Hasnie, MD Key Takeaways A lump behind the ear is often caused by swollen lymph nodes or acne.Most lumps behind the ear are harmless and treatable by healthcare providers ...

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 ...

Inflammation from an ear infection is just one of the causes of tinnitus. At-home and clinical treatment can typically resolve the symptoms. Tinnitus happens when you experience a sound like ringing, ...

A dermoid cyst is a sac of cells containing tissues that are usually present on the skin’s surface. They form during fetal development and grow slowly, so a person may not notice them until late ...