The fisch classification of glomus tumors is based on extension of the tumor to surrounding anatomic structures and is closely related to mortality and morbidity. Excision of tumor was performed by an end aural approach.
Before and after the surgery pure tone audiometry.
Fisch classification glomus tympanicum. The appropriate treatment of glomus tympanicum tumors isolated to the middle ear middle ear and mastoid or even the inner ear fisch classifications a b glomus tympanicums can be completely excised in over 90 of cases with standard otologic approaches. The glasscock and jackson s system classifies glomus tympanicum by area and degree of involvement into four types. Currently popular classification of glomus tympanicum tumour includes fisch and oldering and glasscock and jackson.
Type a tumor tumor limited to the middle ear cleft glomus tympanicum type b tumor tumor limited to the tympanomastoid area with no infralabyrinthine compartment involvement. Our results show that it is a safe procedure with a good long term tumor control good clinical and audiological outcome. Surgical resection is the treatment of choice 4.
Which was consistent with glomus tympanicum type a according to fisch classification. Intra operatively a soft tissue mass was noted to be behind the tympanic membrane extending to the attic glomus tympanicum. While type 1 glomus tumours are limited to the promontory type 2 denotes tumour completely filling the.
The tumor was transcanally and completely resected by endoscopy without any complication. Treatment of glomus tympanicum tumors by pre operative embolization with ethanol and surgical resection has not been described before. The glomus tympanicum tumor was classified as type 1 using the glasscock jackson classification class a using the fisch classification and class a1 using the modified fisch and mattox classification.
The glasscock jackson and fisch classifications of glomus tumors 5 are based on the local extension of the tumor and their effect on mortality and morbidity. A report of two cases case report this article was accepted. Glomus tympanicum paragangliomas are considered type a tumor as they are limited to the middle ear cavity.
Surgical excision radiation therapy surgery.