Ménière's Disease — MCQs
Triad of Meniere’s disease includes all except?
A 25-year-old woman presents with episodes of dizziness, tinnitus, and hearing loss in the right ear. What is the most likely diagnosis?
All the following are true about Meniere's disease except?
All of the following are seen in Meniere's Disease except:
A 72-year-old man presents to his primary care physician with progressively worsening hearing loss. He states that his trouble with hearing began approximately 7-8 years ago. He is able to hear when someone is speaking to him; however, he has difficulty with understanding what is being said, especially when there is background noise. In addition to his current symptoms, he reports a steady ringing in both ears, and at times experiences dizziness. Medical history is significant for three prior episodes of acute otitis media. Family history is notable for his father being diagnosed with cholesteatoma. His temperature is 98.6°F (37°C), blood pressure is 138/88 mmHg, pulse is 74/min, and respirations are 13/min. On physical exam, when a tuning fork is placed in the middle of the patient's forehead, sound is appreciated equally on both ears. When a tuning fork is placed by the external auditory canal and subsequently on the mastoid process, air conduction is greater than bone conduction. Which of the following is most likely the cause of this patient's symptoms?
Best surgery to relieve intractable vertigo in a Meniere's disease patient with profound hearing loss is?
Chemical labyrinthectomy by transtympanic route is done in Meniere's disease using which drug?
Endolymphatic sac decompression is done in?
COWS mnemonic is related to which of the following tests?
Which of the following is NOT typically seen in Meniere's disease?
Ménière's Disease Indian Medical PG Practice Questions and MCQs
Question 1: Triad of Meniere’s disease includes all except?
- A. Tinnitus
- B. Vertigo
- C. Migraine (Correct Answer)
- D. Hearing loss
Explanation: ***Migraine*** - **Migraine** is not considered part of the classic triad of Meniere's disease. While some patients with Meniere's may experience migraines, it is not a diagnostic criterion. - The core symptoms of Meniere's disease relate specifically to inner ear dysfunction and are distinct from primary headache disorders. *Tinnitus* - **Tinnitus**, often described as ringing, buzzing, or roaring in the ear, is a hallmark symptom and a key component of the Meniere's disease triad. - It usually fluctuates in intensity and can precede or coincide with vertigo attacks. *Vertigo* - **Vertigo**, characterized by sudden, severe spinning sensations, is the most debilitating symptom and an essential part of the Meniere's triad. - These episodes can last from minutes to hours and are often accompanied by nausea and vomiting. *Hearing loss* - **Hearing loss**, typically fluctuating and affecting low frequencies initially, is a crucial diagnostic criterion and part of the Meniere's triad. - The hearing loss tends to progress over time, often becoming more permanent and affecting a broader range of frequencies.
Question 2: A 25-year-old woman presents with episodes of dizziness, tinnitus, and hearing loss in the right ear. What is the most likely diagnosis?
- A. Labyrinthitis
- B. Ménière's disease (Correct Answer)
- C. Acoustic neuroma
- D. Benign paroxysmal positional vertigo
Explanation: ***Ménière's disease*** - This condition is characterized by a classic triad of **episodic vertigo (dizziness)**, fluctuating **sensorineural hearing loss**, and **tinnitus**, often accompanied by aural fullness, typically affecting one ear. - The symptoms arise from an accumulation of **endolymph** in the inner ear, leading to increased pressure and dysfunction. *Labyrinthitis* - **Labyrinthitis** is an inflammation of the inner ear, usually viral, causing sudden, severe **vertigo** potentially with hearing loss and tinnitus. - Unlike Meniere's disease, **hearing loss** and **tinnitus** in labyrinthitis are usually constant rather than episodic or fluctuating. *Acoustic neuroma* - An **acoustic neuroma** (vestibular schwannoma) is a benign tumor on the eighth cranial nerve, often causing **gradual, progressive unilateral hearing loss**, tinnitus, and **balance issues**, but typically not episodic severe dizziness. - While it can cause hearing loss and tinnitus, the **episodic nature of vertigo** is less common than in Ménière's disease. *Benign paroxysmal positional vertigo* - **BPPV** is characterized by sudden, **brief episodes of vertigo** triggered by specific head movements, caused by dislodged **otoconia** in the semicircular canals. - Critically, BPPV does **not** typically cause associated **hearing loss or tinnitus**, which are prominent symptoms in the presented case.
Question 3: All the following are true about Meniere's disease except?
- A. Low frequency hearing loss
- B. Increase in endolymph
- C. Idiopathic
- D. Destroying the cochlea is mandatory (Correct Answer)
Explanation: ***Destroying the cochlea is mandatory*** - While various interventions, including **destructive procedures**, exist for Meniere's disease in severe cases refractory to medical therapy (e.g., labyrinthectomy, vestibular neurectomy), it is **not mandatory** for diagnosis or initial management. - Initial management typically involves **conservative medical treatment** to control symptoms, such as **diuretics**, low-salt diet, and symptomatic relief during attacks. *Low frequency hearing loss* - Meniere's disease typically presents with **fluctuating sensorineural hearing loss**, predominantly affecting **low frequencies** in the early stages. - This characteristic hearing loss is often associated with aural fullness and tinnitus. *Increase in endolymph* - The underlying pathology of Meniere's disease is believed to be **endolymphatic hydrops**, which is an **excessive accumulation of endolymph** in the inner ear. - This increased pressure within the endolymphatic system distorts the membranous labyrinth, leading to the classic symptoms. *Idiopathic* - Meniere's disease is generally considered **idiopathic**, meaning its specific cause is unknown. - While various theories exist regarding its etiology (e.g., viral infections, autoimmune disorders, vascular compromise), a definitive cause has not been identified.
Question 4: All of the following are seen in Meniere's Disease except:
- A. Fullness of ear
- B. Ear Pain (Correct Answer)
- C. Vertigo
- D. Tinnitus
Explanation: ***Ear Pain*** - **Otalgia** (ear pain) is not a typical symptom of **Meniere's disease**. - While patients may experience discomfort due to pressure, sharp or significant pain is generally absent. *Fullness of ear* - A sensation of **aural fullness** or pressure in the affected ear is a characteristic symptom of Meniere's disease, often preceding a vertiginous attack. - This symptom is thought to be due to the buildup of **endolymphatic fluid** within the inner ear. *Vertigo* - **Episodic rotational vertigo** is a hallmark symptom of Meniere's disease, significantly impacting daily activities and often accompanied by nausea and vomiting. - These attacks are typically sudden, severe, and can last from 20 minutes to several hours. *Tinnitus* - **Tinnitus**, often described as a ringing, buzzing, or roaring sound, is a common symptom in patients with Meniere's disease. - It usually fluctuates in intensity and can worsen before or during a vertigo attack.
Question 5: A 72-year-old man presents to his primary care physician with progressively worsening hearing loss. He states that his trouble with hearing began approximately 7-8 years ago. He is able to hear when someone is speaking to him; however, he has difficulty with understanding what is being said, especially when there is background noise. In addition to his current symptoms, he reports a steady ringing in both ears, and at times experiences dizziness. Medical history is significant for three prior episodes of acute otitis media. Family history is notable for his father being diagnosed with cholesteatoma. His temperature is 98.6°F (37°C), blood pressure is 138/88 mmHg, pulse is 74/min, and respirations are 13/min. On physical exam, when a tuning fork is placed in the middle of the patient's forehead, sound is appreciated equally on both ears. When a tuning fork is placed by the external auditory canal and subsequently on the mastoid process, air conduction is greater than bone conduction. Which of the following is most likely the cause of this patient's symptoms?
- A. Stapedial abnormal bone growth
- B. Endolymphatic hydrops
- C. Cochlear hair cell degeneration (Correct Answer)
- D. Accumulation of desquamated keratin debris
Explanation: ***Cochlear hair cell degeneration*** - The patient's **progressive, bilateral hearing loss** over several years, difficulty understanding speech in noise, and **tinnitus** are classic symptoms of **presbycusis**, which results from age-related **degeneration of cochlear hair cells**. - The **normal Weber test** (no lateralization) and **Rinne test** (air conduction > bone conduction) indicate a **sensorineural hearing loss**, consistent with cochlear pathology rather than conductive issues. *Stapedial abnormal bone growth* - This condition (**otosclerosis**) causes **conductive hearing loss** due to fixation of the stapes, which would present with an **abnormal Rinne test** (bone conduction > air conduction) in the affected ear. - While it can cause progressive hearing loss and tinnitus, the normal Rinne test contradicts this diagnosis. *Endolymphatic hydrops* - This is the underlying pathology of **Ménière's disease**, which typically presents with episodic vertigo, fluctuating sensorineural hearing loss, tinnitus, and aural fullness. - The patient's dizziness is non-episodic, and the absence of fluctuating hearing loss and aural fullness makes Ménière's less likely. *Accumulation of desquamated keratin debris* - This describes a **cholesteatoma**, which typically causes **conductive hearing loss** and often presents with otorrhea, earache, and possibly vestibular symptoms. - The normal Rinne test (indicating sensorineural loss) and lack of otorrhea or earache make cholesteatoma unlikely, despite a family history.
Question 6: Best surgery to relieve intractable vertigo in a Meniere's disease patient with profound hearing loss is?
- A. Vestibular neurectomy
- B. Endolymphatic sac decompression
- C. Cochleosacculotomy
- D. Surgical Labyrinthectomy (Correct Answer)
Explanation: **Surgical Labyrinthectomy** * **Labyrinthectomy** is the most effective surgical option for intractable vertigo in Meniere's disease when the affected ear also has **profound hearing loss**, as it completely ablates the vestibular function of the inner ear. * Since the patient already has profound hearing loss, the loss of residual hearing from this procedure is not a significant concern, making it an ideal choice for **vertigo control**. *Vestibular neurectomy* * **Vestibular neurectomy** is a highly effective procedure for intractable vertigo, as it aims to selectively cut the vestibular nerve while preserving hearing. * However, it is a more complex surgical approach compared to labyrinthectomy and is typically reserved for patients with **serviceable hearing** that they wish to preserve. *Endolymphatic sac decompression* * **Endolymphatic sac decompression** is a surgical procedure designed to improve the reabsorption of endolymph, thereby reducing the pressure and symptoms of Meniere's disease, including vertigo and hearing loss. * While it may improve vertigo symptoms, it is less consistently effective than ablative procedures for intractable vertigo and its primary benefit is to **preserve hearing**, which is not a priority in a patient with profound hearing loss. *Cochleosacculotomy* * **Cochleosacculotomy** involves making a small opening in the labyrinth to drain endolymph, aiming to reduce endolymphatic hydrops and alleviate vertigo. * Though it can help with vertigo, it carries a high risk of causing complete hearing loss in the operated ear and offers less reliable vertigo control compared to a labyrinthectomy, especially when profound hearing loss is already present.
Question 7: Chemical labyrinthectomy by transtympanic route is done in Meniere's disease using which drug?
- A. Amikacin
- B. Amoxycillin
- C. Cyclosporine
- D. Gentamicin (Correct Answer)
Explanation: ***Gentamicin*** - **Gentamicin** is an **aminoglycoside antibiotic** that is commonly used for chemical labyrinthectomy due to its **ototoxic** properties, particularly its selective toxicity to **vestibular hair cells** at lower doses. - When administered transtympanically, it achieves high concentrations in the **inner ear fluid**, effectively ablating the vestibular function and reducing severe vertigo in **Meniere's disease**. *Amikacin* - **Amikacin** is also an **aminoglycoside antibiotic** with ototoxic potential, but it is typically reserved for severe bacterial infections and is not the primary drug of choice for **chemical labyrinthectomy** in Meniere's disease. - While it can cause hearing loss, **gentamicin** has a more established and preferential effect on the **vestibular system** at therapeutic doses for Meniere's. *Amoxycillin* - **Amoxycillin** is a common **beta-lactam antibiotic** used for bacterial infections, and it does not possess **ototoxic** properties that would make it suitable for chemical labyrinthectomy. - It is primarily known for its antibacterial action and has no role in the management of vertigo in **Meniere's disease** via transtympanic administration. *Cyclosporine* - **Cyclosporine** is an **immunosuppressant drug** used to prevent organ rejection and treat autoimmune conditions; it does not have properties for chemical ablation of the labyrinth. - While some autoimmune components are sometimes considered in Meniere's disease, cyclosporine is not used for **transtympanic chemical labyrinthectomy**.
Question 8: Endolymphatic sac decompression is done in?
- A. Management of endolymphatic hydrops in early-stage Meniere's disease
- B. Prophylactic treatment in recurrent vertigo syndromes
- C. Definitive treatment for intractable vertigo in Meniere's disease (Correct Answer)
- D. Primary surgical approach for cochlear disorders
Explanation: ***Definitive treatment for intractable vertigo in Meniere's disease*** - **Endolymphatic sac decompression** is a surgical procedure aimed at relieving pressure in the inner ear for patients with **Meniere's disease** who experience **intractable vertigo** despite medical management. - It works by improving fluid drainage from the **endolymphatic sac**, thereby reducing episodes of vertigo without significantly affecting hearing. *Management of endolymphatic hydrops in early-stage Meniere's disease* - This procedure is typically reserved for **later stages** of Meniere's disease when medical treatments have failed, not early-stage management. - Early-stage management usually involves **dietary modifications**, **diuretics**, and other medical therapies. *Prophylactic treatment in recurrent vertigo syndromes* - Endolymphatic sac decompression is a **therapeutic intervention** for diagnosed Meniere's disease, not a prophylactic treatment for general recurrent vertigo syndromes. - Its use is specific to the underlying **endolymphatic hydrops** of Meniere's disease. *Primary surgical approach for cochlear disorders* - This procedure addresses issues related to the **vestibular system** and fluid balance in Meniere's disease, not primary cochlear disorders like hearing loss unrelated to hydrops. - **Cochlear disorders** primarily affecting hearing might involve different surgical approaches, such as **cochlear implantation**.
Question 9: COWS mnemonic is related to which of the following tests?
- A. Romberg test
- B. Caloric test (Correct Answer)
- C. Fistula test
- D. Hallpike positional test
Explanation: **Explanation:** The **COWS mnemonic** is a fundamental clinical tool used to interpret the results of the **Caloric Test** (part of the Electronystagmography battery). The test involves irrigating the external auditory canal with water or air that is either warmer or cooler than body temperature to induce convection currents in the endolymph of the lateral semicircular canal. The mnemonic stands for: * **C**old – **O**pposite * **W**arm – **S**ame This describes the direction of the **fast component of nystagmus**: cold water irrigation induces nystagmus with the fast phase beating toward the opposite ear, while warm water induces nystagmus beating toward the same (irrigated) ear. **Analysis of Incorrect Options:** * **Romberg test:** A test of postural stability used to differentiate between sensory and cerebellar ataxia; it does not involve thermal stimulation or the COWS mnemonic. * **Fistula test:** Used to identify a labyrinthine fistula (usually in the lateral canal). A positive result (Hennebert’s sign) is nystagmus/vertigo induced by pressure changes in the EAC. * **Hallpike positional test:** The gold standard for diagnosing Benign Paroxysmal Positional Vertigo (BPPV) by eliciting characteristic geotropic nystagmus. **Clinical Pearls for NEET-PG:** * **Fitzgerald-Hallpike Technique:** The standard caloric test using water at 30°C (Cold) and 44°C (Warm). * **Canal Paresis:** A reduced response on one side (calculated using Jongkees’ formula), indicating a peripheral vestibular lesion. * **Dead Labyrinth:** No response to both cold and warm irrigation. * **Directional Preponderance:** Nystagmus in one direction is stronger than the other.
Question 10: Which of the following is NOT typically seen in Meniere's disease?
- A. Tinnitus
- B. Hearing loss
- C. Loss of consciousness (Correct Answer)
- D. Vertigo
Explanation: ### Explanation **Meniere’s Disease** (Endolymphatic Hydrops) is a disorder of the inner ear characterized by an increase in the volume and pressure of the endolymph. The hallmark of this condition is a **triad of symptoms** affecting the vestibular and cochlear systems. **Why "Loss of Consciousness" is the Correct Answer:** Meniere’s disease is a peripheral vestibular disorder. While it causes severe vertigo and imbalance, it **does not** affect the Reticular Activating System (RAS) or cerebral perfusion. Therefore, it does not cause loss of consciousness (syncope). If a patient presents with vertigo and loss of consciousness, clinicians should investigate central causes or cardiovascular issues (e.g., Vertebrobasilar insufficiency). **Analysis of Incorrect Options:** * **Vertigo (Option D):** This is the most distressing symptom. It occurs in episodic, paroxysmal attacks lasting 20 minutes to several hours, often accompanied by nausea and vomiting. * **Hearing Loss (Option B):** Characteristically **sensorineural** and **fluctuating**. In early stages, it typically affects **low frequencies** (rising curve on audiometry). * **Tinnitus (Option A):** Usually described as a low-pitched, "roaring" or "seashell" sound that often worsens during an acute attack. **High-Yield Clinical Pearls for NEET-PG:** * **Pathology:** Distension of the endolymphatic system (Endolymphatic Hydrops), most commonly seen in the **scala media** and saccule. * **Lermoyez Syndrome:** A variant where hearing improves during a vertigo attack ("the phenomenon of reverse symptoms"). * **Tullio Phenomenon:** Vertigo induced by loud sounds (occasionally seen in Meniere's). * **Tumarkin’s Otolithic Crisis:** Sudden "drop attacks" without loss of consciousness due to utricular/saccular dysfunction. * **Management:** Low-salt diet, diuretics (Acetazolamide), and Vestibular suppressants (Betahistine). Chemical labyrinthectomy uses **Gentamicin** (vestibulotoxic).
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