Book an Appointment banner

CP Angle Tumor

Cerebellopontine angle (CPA) tumors are mostly benign and occur in the posterior fossa. They account for 5-10% of intracranial  tumors.

Cerebellopontine angle (CPA) tumors include:

  • Vestibular schwannomas (acoustic neuromas)

  • Lipomas

  • Vascular malformations

  • Hemangiomas

  • Meningiomas

  • Epidermoids

  • Facial or lower cranial nerve schwannomas

CP-Angle-Tumor

Cause of Cerebellopontine angle (CPA) tumors

The specific cause of CPA tumor is not known but they are linked with the genetic disorder neurofibromatosis type 2 (NF2).

Symptoms of Cerebellopontine angle (CPA) tumors

The symptoms depend upon the size and location of the lesion and may include any of the following:

  • Hearing loss (most commonly unilateral)

  • Tinnitus (ringing sounds in ear)

  • Vertigo/unsteadiness/disequilibrium

  • Headache

  • Facial hypesthesia

  • Decreased facial sensation

  • Facial weakness and spasm

  • Diplopia

  • Blurry vision

Diagnosis of Cerebellopontine angle (CPA) tumors

The diagnosis CPA tumors start with the evaluation of patient symptoms followed by a thorough physical and neurological examination of the patient. Subsequently, following tests are performed to confirm the diagnosis:

  • Hearing test (audiology)

  • Test of equilibrium and balance (electronystagmography)

  • Test of hearing and brainstem function (brainstem auditory evoked response)

  • CT scan

  • MRI

  • Gd-enhanced MRI gold standard

Our Doctors

Enquiry

Sorry ... Please Try Again

Testimonials

Video gallery