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Lymphadenopathy is a condition where the lymph nodes, small round organs found all over the body, begin to swell, which could cause painful lump behind ear. The swelling is caused by accumulation of immune cells within the lymph node.
Lymph nodes tend to swell and can cause other symptoms like fever, tenderness, pain and fatigue. Lymph glands found in front of the ear are called preauricular lymph nodes, which drain lymph from around the eyes, cheeks, and scalp near the temples.here are many possible causes why you can develop a lump near the ear, but fortunately, most of these lumps are benign (not cancerous). Possible Causes of Lump near the Ear. One of the most common causes of lumps or bumps near the ear is a swollen lymph node.