Table 1.

Fisch Classification of 52 Glomus Tumors of the Temporal Bone

Type of Tumor	No. Patients
Glomus Tympanicum
Class A	4
Class B	6
Glomus Jugulare Tumors Class C
C1	16
C2	17
C3	6
C4	3
Intracranial Extension
Class D	12