II. Causes: Benign Tumors
III. Causes: Malignant Tumors
-
External Ear
-
Squamous Cell Carcinoma (66%)
- Treated with surgical resection
- Good prognosis
-
Basal Cell Carcinoma (33%)
- Treated with surgical resection
- Excellent prognosis
-
Squamous Cell Carcinoma (66%)
- Middle Ear: Squamous Cell Carcinoma (most common tumor)
- Treated with surgical resection
- Prognosis guarded to poor
- Outcome depends on local extension
- Temporal Bone
- Petrous bones