A 55-year-old lady visits the doctor after experiencing gradual hearing loss in her right ear for four months. Vital indicators are in the expected range. There are no anomalies visible upon examination of the tympanic membranes or external ear canals. A neurological examination reveals diminished hearing in the right ear; normal hearing is seen in the left ear. In the picture below, an MRI of the head with contrast is displayed: Which of the following is the most likely diagnosis?

Question

A 55-year-old lady visits the doctor after experiencing gradual hearing loss in her right ear for four months. Vital indicators are in the expected range. There are no anomalies visible upon examination of the tympanic membranes or external ear canals. A neurological examination reveals diminished hearing in the right ear; normal hearing is seen in the left ear. In the picture below, an MRI of the head with contrast is displayed:  Which of the following is the most likely diagnosis?

Quizplus · Accepted Answer

Eductional Objective: Tumors at the cerebellopontine angle can cause unilateral progressive hearing loss due to compression of the vestibulocochlear nerve (CN VIII).  These tumors are most likely vestibular schwannomas or meningiomas; histologic analysis is often required to differentiate between them.

A 55-Year-Old Lady Visits the Doctor After Experiencing Gradual Hearing