You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is A female diabetic having severe ear pain and granulation tissue in external ear with Facial palsy is due to: and explain in detail?
Malignant otitis externa - can cause destruction of tissues of canal, pre and post auricular region by various enzymes like lecithinase and hemolysis. Infection can spread to skull base and jugular foramen causing multiple cranial nerve palsies in which most common is facial nerve palsy.