Temporal Bone Tumors (Acoustic Neuroma/Glomus) MCQ Quiz | Ear (Otology)

Welcome to this specialized quiz on Temporal Bone Tumors, focusing on Acoustic Neuroma and Glomus Tumors. This assessment is tailored for MBBS students to test and reinforce their knowledge in Otology. You will face 25 multiple-choice questions covering etiology, clinical presentation, diagnosis, and management of these critical conditions. Carefully evaluate each question and select the most appropriate answer. After submitting your responses, you’ll receive your score and see a detailed breakdown of correct and incorrect answers. This interactive format is designed to enhance your learning and diagnostic skills. For future revision, you can download a PDF file containing all the questions and their correct answers after completing the quiz. Good luck!

1. An acoustic neuroma, also known as a vestibular schwannoma, most commonly arises from the Schwann cells of which cranial nerve?

2. A patient presents with pulsatile tinnitus and conductive hearing loss. Otoscopy reveals a reddish-blue mass behind an intact tympanic membrane. What is the most likely diagnosis?

3. Which genetic condition is strongly associated with bilateral acoustic neuromas?

4. The “rising sun sign” on otoscopy is characteristic of which tumor?

5. What is the gold standard imaging modality for diagnosing an acoustic neuroma?

6. Brown’s sign, which is blanching of a middle ear mass with positive pressure on pneumatic otoscopy, is associated with:

7. The most common initial symptom of an acoustic neuroma is:

8. A Glomus jugulare tumor arises from paraganglion cells located in the:

9. On an audiogram, a classic finding for an acoustic neuroma is:

10. A large Glomus jugulare tumor can cause multiple lower cranial nerve palsies (IX, X, XI), a condition known as:

11. A large acoustic neuroma in the cerebellopontine angle can cause facial numbness by compressing which cranial nerve?

12. The “salt and pepper” appearance on T1-weighted MRI with contrast is characteristic of which highly vascular tumor?

13. Which of the following is NOT a primary treatment modality for acoustic neuroma?

14. What is the most important preoperative investigation to assess for a hormonally active paraganglioma?

15. An “ice cream cone” appearance on an MRI, with the “cone” in the internal auditory canal and the “scoop” in the cerebellopontine angle, is classic for:

16. The most significant risk during surgical removal of a large Glomus jugulare tumor is:

17. Which auditory test is particularly sensitive for retrocochlear pathology like an acoustic neuroma, showing a significant decay in response?

18. The “moth-eaten” or permeative pattern of bone destruction at the jugular foramen on a CT scan is suggestive of:

19. In the management of acoustic neuroma, what is the primary goal of stereotactic radiosurgery?

20. Aquino’s sign, the blanching of a tympanic membrane mass with manual compression of the ipsilateral carotid artery, is a sign for:

21. The main advantage of the translabyrinthine approach for acoustic neuroma surgery is:

22. Which Fisch classification for glomus tumors is limited to the middle ear cleft?

23. A patient with a small, slow-growing intracanalicular acoustic neuroma and serviceable hearing is an ideal candidate for which management strategy?

24. What is the main blood supply to most Glomus jugulare tumors?

25. A key difference between a meningioma and a schwannoma in the cerebellopontine angle on MRI is that a meningioma typically has a: