aug 21, 2024 · an ear tumor is a mass or lump of abnormal cells that forms in your ear. Most ear tumors are benign, or noncancerous. But some ear tumors are malignant. mar 28, 2023 · sometimes, skin cells inside your ear can do this and cause a lump called a cholesteatoma. The lump typically starts deep in your ear near your eardrum and grows.
