Anatomy of the cerebellar bridge angle The cerebellar bridge angle (angulus pontocerebellaris) is the name of a certain anatomical structure of the brain. It is located between the brain stem (consisting of midbrain = mesencephalon, rhombic brain = rhombencephalon and bridge = pons) and the cerebellum and petrous bone. It is located in the posterior … Cerebellar bridge angle
Cerebellar Bridge Angle Syndrome The cerebellar bridge angle syndrome is a combination of symptoms that can occur with tumors in the cerebellar bridge angle (see cerebellar bridge angle tumors). The anatomy of the cerebellar bridge angle allows the derivation of the symptoms. Among the symptoms are: Hearing loss, tinnitus, dizziness, insecure gait (8th cranial nerve … Cerebellar Bridge Angle Syndrome | Cerebellar bridge angle
The most common tumour of the inner ear is the acoustic neuroma. Other names for this are cerebellar bridge angle tumour and vestibularis schwannoma. This is a neurinoma or schwannoma in the inner part of the auditory canal or a neurinoma in the cerebellar bridge angle. A neurinoma or schwannoma is a benign and usually … Acoustic neuroma
Classification The classification of acoustic neuroma is possible according to two systems. Three stages from A to C are named after Wigand: Six types are classified according to Samii: Stage A: in the inner ear canal, smaller than 8mm in diameter Stage B: grows up to the cerebellar bridge angle, diameter between 9- 25mm Stage … Classification | Acoustic neuroma
Therapy The operation of an acoustic neuroma is one possible therapy option. Tumours located in the inner ear canal can also be removed. If the hearing function is still intact, an attempt is made to preserve it. In this case, the skull is opened from the side via the os temporale (temporal bone) – the … Therapy | Acoustic neuroma
