Fisch classification is used for classifying which of the following malignancy?
High-Yield Explanation
The two grading systems which has been developed to classify glomus tumors are Fisch classification and Glasscock - Jackson classification. Fisch classification of glomus tumors: Class A: Tumors limited to the middle ear cleft. Class B: Tumors limited to the tympanomastoid area without destruction of bone in the infralabrynthine compament. Class C: Tumors extending into and destroying the bone of the infralabrynthine and the apical compaments of the temporal bone. Class D: Tumors with intracranial intradural extension.