Left frontal epidermoid cyst cholesteatoma is a congenital benign tumor disease, early does not cause obvious clinical symptoms, is not a serious disease, but it should be noted that very few cholesteatomas have a tendency to malignant changes. Left frontal epidermoid cyst cholesteatoma does not cause obvious clinical symptoms in the early stage, but with the growth of cholesteatoma can cause local thinning of the skull, increasing the chance of craniocerebral injury. In addition, the growth of cholesteatoma into the skull can lead to increased intracranial pressure, causing headache, vomiting and other symptoms. Therefore, if you find a left frontal bone epidermoid cyst cholesteatoma, you should go to a regular hospital and find a professional doctor to evaluate whether the condition needs surgery or not, to avoid delaying the condition.