Phoniatrics and Voice Disorders — MCQs
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A patient complains of pain that seems similar to trigeminal neuralgia. Examination reveals a nasopharyngeal tumor as the reason for the pain. What is the most likely diagnosis?
Blomsingher prosthesis is used for the production of?
A 10-year-old boy developed hoarseness of voice following an attack of diphtheria. No other significant cranial nerves or vocal cords are paralyzed. What is the treatment of choice?
A 35-year-old male singer presents with complaints of hoarseness, vocal fatigue, and pain in the neck on prolonged phonation. Direct laryngoscopy shows bilateral pinhead-sized swellings on the anterior one-third and posterior two-thirds junction of the vocal cords. What is the probable diagnosis?
A patient who is a teacher by profession presents to the clinic with hoarseness of voice. What is the most likely diagnosis for this patient?
Which of the following studies is shown below?
A 20-year-old lady singer of a rock band develops diplophonia after a performance. The laryngoscopy image is shown below. What is the most likely diagnosis?
A singer presents with difficulty singing at a high pitch. On examination, bowing of the vocal cord is observed on the right side. Which of the following muscles has likely been compromised?
Dysphonia plica ventricularis is produced from:
The primary goal of Type 1 thyroplasty is:
Phoniatrics and Voice Disorders Indian Medical PG Practice Questions and MCQs
Question 31: A patient complains of pain that seems similar to trigeminal neuralgia. Examination reveals a nasopharyngeal tumor as the reason for the pain. What is the most likely diagnosis?
- A. Jaw winking syndrome.
- B. Paratrigeminal syndrome.
- C. Trotter syndrome. (Correct Answer)
- D. Eagle syndrome.
Explanation: **Explanation:** The correct answer is **Trotter Syndrome** (also known as Sinus of Morgagni Syndrome). This clinical triad occurs due to the lateral extension of a nasopharyngeal carcinoma, which infiltrates the parapharyngeal space. **1. Why Trotter Syndrome is correct:** The syndrome is characterized by a classic triad caused by the local spread of the tumor: * **Neuralgic pain:** Involvement of the **Mandibular nerve (V3)** as it exits the foramen ovale leads to pain in the lower jaw, ear, and tongue, mimicking trigeminal neuralgia. * **Ipsilateral conductive deafness:** Compression or infiltration of the **Eustachian tube** leads to middle ear effusion. * **Palatal immobility/asymmetry:** Infiltration of the **Levator veli palatini muscle** causes defective movement of the soft palate on the affected side. **2. Why other options are incorrect:** * **Jaw winking syndrome (Marcus Gunn Phenomenon):** A congenital condition where the upper eyelid elevates during movements of the jaw (masticatory-extraocular synkinesis). It is not associated with tumors or pain. * **Paratrigeminal syndrome (Raeder’s Syndrome):** Characterized by trigeminal neuralgia and oculosympathetic palsy (Horner’s syndrome). It typically involves the ophthalmic division (V1) and is often related to pathology in the middle cranial fossa. * **Eagle syndrome:** Pain caused by an **elongated styloid process** or calcification of the stylohyoid ligament. Pain is typically triggered by swallowing or turning the head, not by a nasopharyngeal mass. **Clinical Pearls for NEET-PG:** * **Trotter’s Triad:** 1. Conductive deafness, 2. Palatal palsy, 3. Trigeminal neuralgia (V3). * **Nasopharyngeal Carcinoma (NPC):** Most commonly arises from the **Fossa of Rosenmüller**. * **EBV Association:** NPC is strongly linked to the Epstein-Barr Virus. * **First Sign:** The most common presenting symptom of NPC is often a painless upper deep cervical lymph node (Jugulodigastric).
Question 32: Blomsingher prosthesis is used for the production of?
- A. Voice (Correct Answer)
- B. Image
- C. Radiowaves
- D. Light
Explanation: **Explanation:** The **Blom-Singer prosthesis** is a specialized indwelling silicone valve used for **Tracheoesophageal (TE) Speech** following a total laryngectomy. **Why Voice is Correct:** When a patient undergoes a total laryngectomy, the natural "voice box" is removed. To restore communication, a surgical puncture is created between the trachea and the esophagus (Tracheoesophageal Puncture). The Blom-Singer prosthesis is a **one-way valve** inserted into this puncture. When the patient occludes their stoma and exhales, air is diverted from the lungs through the prosthesis into the esophagus. This air causes the pharyngoesophageal segment (neoglottis) to vibrate, producing a sound that is then articulated into speech. **Why Other Options are Incorrect:** * **Image:** Prosthetic devices for imaging (like contrast markers) are unrelated to the Blom-Singer valve, which is a functional speech rehabilitation tool. * **Radiowaves/Light:** These relate to diagnostic or therapeutic modalities (like Radiofrequency ablation or Laser surgery) and have no functional connection to tracheoesophageal voice prostheses. **High-Yield Clinical Pearls for NEET-PG:** * **Gold Standard:** Tracheoesophageal speech (using prostheses like Blom-Singer or Provox) is currently considered the gold standard for post-laryngectomy voice rehabilitation. * **Mechanism:** It is a one-way valve that allows air to enter the esophagus but prevents food/liquid from entering the trachea (aspiration). * **Other Methods of Speech:** Include **Esophageal Speech** (burping air) and the **Electrolarynx** (an external battery-operated vibrator). * **Complication:** The most common reason for prosthesis failure is **fungal (Candida) colonization**, which leads to valve leakage.
Question 33: A 10-year-old boy developed hoarseness of voice following an attack of diphtheria. No other significant cranial nerves or vocal cords are paralyzed. What is the treatment of choice?
- A. Get foam injection of right vocal cord
- B. Fat injection of right vocal cord
- C. Thyroplasty Type 1
- D. Wait for spontaneous recovery (Correct Answer)
Explanation: ### Explanation **1. Why "Wait for spontaneous recovery" is correct:** The clinical scenario describes a post-diphtheritic complication. In diphtheria, the exotoxin produced by *Corynebacterium diphtheriae* can cause **diphtheritic polyneuropathy**. A classic presentation is **palatal paralysis** (leading to nasal regurgitation and a "nasal" voice) or laryngeal nerve involvement causing hoarseness. The key medical concept here is that post-diphtheritic paralysis is typically **toxic/inflammatory** in nature rather than a permanent structural or traumatic transection of the nerve. Most neurological deficits following diphtheria are transient and show **spontaneous recovery** over several weeks to months as the toxin effects wear off and nerves remyelinate. Therefore, conservative management (observation) is the initial treatment of choice. **2. Why other options are incorrect:** * **Options A & B (Gelfoam/Fat Injection):** These are forms of **Injection Laryngoplasty** used to bulk a paralyzed vocal cord in cases of permanent Unilateral Vocal Cord Paralysis (UVCP) to improve glottic closure. They are premature in a child where recovery is expected. * **Option C (Thyroplasty Type 1):** This is a permanent surgical medialization procedure. It is contraindicated in acute or potentially reversible cases. It is generally reserved for adults with permanent paralysis (usually after waiting 6–12 months for recovery). **3. Clinical Pearls for NEET-PG:** * **Diphtheria Toxin:** Affects the heart (myocarditis) and nerves (demyelination). * **Sequence of Paralysis:** Palatal paralysis usually occurs in the 3rd week; ocular/ciliary paralysis in the 5th week; and respiratory/diaphragmatic paralysis is the most dreaded late complication. * **Management Rule:** In any post-viral or toxic neuropathy (like Diphtheria or Guillain-Barré), always wait for spontaneous recovery before considering permanent surgical interventions for the voice.
Question 34: A 35-year-old male singer presents with complaints of hoarseness, vocal fatigue, and pain in the neck on prolonged phonation. Direct laryngoscopy shows bilateral pinhead-sized swellings on the anterior one-third and posterior two-thirds junction of the vocal cords. What is the probable diagnosis?
- A. Vocal polyp
- B. Vocal nodule (Correct Answer)
- C. Acute laryngitis
- D. Acute pharyngitis
Explanation: ### Explanation **1. Why Vocal Nodule is Correct:** Vocal nodules (Singer’s nodules) are the most common cause of persistent hoarseness in individuals who use their voices professionally. The clinical hallmark is **bilateral, symmetrical, pinhead-sized swellings** located at the **junction of the anterior 1/3 and posterior 2/3** of the vocal cords. This specific site corresponds to the point of maximum vibratory amplitude and mechanical trauma. Chronic vocal abuse leads to edema and fibrosis of the Reinke’s space, manifesting as these nodules. Symptoms typically include hoarseness, vocal fatigue, and "odynophonia" (pain on phonation). **2. Why Other Options are Incorrect:** * **Vocal Polyp:** These are usually **unilateral** and larger than nodules. They often follow a single episode of vocal trauma (e.g., shouting) causing a submucosal hemorrhage. * **Acute Laryngitis:** This presents with sudden onset hoarseness, fever, and cough, usually following a viral upper respiratory infection. Laryngoscopy would show diffuse erythema and edema of the cords, not localized nodules. * **Acute Pharyngitis:** This involves inflammation of the pharynx, presenting with sore throat and dysphagia rather than primary hoarseness or localized vocal cord pathology. **3. Clinical Pearls for NEET-PG:** * **Management:** The first line of treatment is **conservative (Voice Therapy)**. Surgery (Microlaryngeal surgery) is reserved only for large or recalcitrant nodules. * **Histopathology:** Nodules represent epithelial thickening and hyalinization of the stroma. * **Demographics:** Commonly seen in teachers, singers, and energetic male children ("Screamer’s nodules"). * **Positioning:** Remember the "Rule of 1/3": Junction of anterior 1/3 and posterior 2/3 is the classic site for nodules.
Question 35: A patient who is a teacher by profession presents to the clinic with hoarseness of voice. What is the most likely diagnosis for this patient?
- A. Vocal polyp
- B. Vocal cyst
- C. Reinke's oedema
- D. Vocal nodule (Correct Answer)
Explanation: ***Vocal nodules***- This is the most likely diagnosis as **vocal nodules** (or singer's nodules) are typically caused by chronic **vocal strain** and **misuse**, common in professions like teaching.- Nodules present as bilateral, symmetrical lesions at the junction of the anterior one-third and posterior two-thirds of the vocal cords, leading to persistent **hoarseness**.*Vocal polyp*- Usually presents as a **unilateral** mass and is often caused by a single acute instance of **vocal trauma** (e.g., screaming) or long-term irritants like smoking.- While causing hoarseness, polyps are less commonly associated with the chronic, bilateral lesions seen from professional voice abuse compared to nodules.*Vocal cyst*- These are retention cysts or epidermoid cysts, which are usually **unilateral** and are not primarily linked to the pathogenesis of professional voice overuse, although they can cause persistent hoarseness.- Cysts are formed when a mucus gland duct is blocked or when keratin builds up, and they are typically located sub-epithelially, appearing deeper than nodules.*Reinke's oedema*- This condition is almost exclusively associated with **heavy smoking** and is characterized by a gelatinous, bilateral swelling of the superficial lamina propria (*Reinke's space*).- While it causes severe hoarseness, the primary predisposing factor (smoking) is absent in the prompt, making nodules (vocal abuse) a more probable primary diagnosis based on the profession.
Question 36: Which of the following studies is shown below?
- A. Laryngoscopy
- B. Stroboscopy (Correct Answer)
- C. Video laryngoscopy
- D. Cineangiography
Explanation: ***Stroboscopy*** - The image displays multiple sequential frames of the vocal cords during phonation, along with a corresponding **waveform analysis** of vowel production, which is characteristic of **videostroboscopy**. - This technique uses a flashing light synchronized with the vocal fold vibration to create a slow-motion effect, allowing detailed visualization of mucosal wave and vocal fold closure patterns. *Laryngoscopy* - **Laryngoscopy**, in its basic form, provides a direct view of the **larynx and vocal cords** but does not typically capture the rapid vibratory motion in slow motion. - While laryngoscopy is part of the stroboscopy procedure, the specific display of slow-motion vocal fold movement alongside a waveform indicates a more specialized technique. *Video laryngoscopy* - **Video laryngoscopy** (including devices like GlideScope) is a method used for **tracheal intubation**, which involves a laryngoscope with video capability for better visualization of the glottis during tube placement. - It is not a diagnostic imaging technique for assessing vocal fold function or vibratory patterns. *Cineangiography* - **Cineangiography** is a diagnostic procedure used to visualize **blood vessels** and blood flow within the body, typically associated with cardiovascular imaging. - It involves injecting a contrast agent and taking rapid X-ray sequences to create a moving picture of blood flow, which is entirely unrelated to vocal cord examination.
Question 37: A 20-year-old lady singer of a rock band develops diplophonia after a performance. The laryngoscopy image is shown below. What is the most likely diagnosis?
- A. Vocal nodule (Correct Answer)
- B. Vocal polyp
- C. Reinke edema
- D. Contact ulcer
Explanation: ***Vocal nodule*** - The image shows **bilateral, symmetrical swellings** at the junction of the anterior and middle third of the vocal cords, characteristic of **vocal nodules** also known as **singer's nodes**. - The patient's profession as a **singer** and the symptom of **diplophonia** (double voice) after a performance are classic presentations of vocal cord injury due to **vocal abuse**. *Vocal polyp* - A **vocal polyp** is typically **unilateral**, larger than a nodule, and can be sessile or pedunculated; it does not present as symmetric bilateral lesions. - While vocal polyps can also be caused by vocal abuse and lead to dysphonia, their distinct morphology differs from the symmetrical lesions seen. *Reinke edema* - **Reinke edema** (polypoid corditis) involves diffuse **edematous swelling** along the entire length of the membranous vocal folds, often associated with smoking and a deep, husky voice. - The visible lesions are localized, distinct, and bilateral, not a diffuse swelling of the vocal fold subepithelial space. *Contact ulcer* - **Contact ulcers** are lesions on the medial surface of the arytenoid cartilages, at the posterior third of the vocal cords, usually due to **acid reflux** or prolonged vocal abuse with hard glottal attacks. - The lesions in the image are located on the vibrating part of the vocal cords, not in the posterior cartilaginous portion.
Question 38: A singer presents with difficulty singing at a high pitch. On examination, bowing of the vocal cord is observed on the right side. Which of the following muscles has likely been compromised?
- A. Posterior cricoarytenoid
- B. Lateral cricoarytenoid
- C. Cricothyroid (Correct Answer)
- D. Thyroarytenoid
Explanation: ***Cricothyroid*** - The **cricothyroid muscle** is primarily responsible for **tensioning and elongating the vocal cords**, which is crucial for increasing vocal pitch. - Damage to this muscle or its innervation (superior laryngeal nerve) results in an inability to reach higher pitches and can cause **vocal cord bowing** due to reduced tension. *Posterior cricoarytenoid* - This muscle is the **primary abductor** of the vocal cords, meaning it opens the vocal cords for breathing. - Compromise would lead to difficulty breathing or a paralyzed vocal cord in the adducted position, not bowing with difficulty singing high notes. *Lateral cricoarytenoid* - The **lateral cricoarytenoid muscle** is a **vocal cord adductor** and rotator, bringing the vocal cords together to regulate voice intensity. - Dysfunction typically results in a weak and breathy voice, or difficulty bringing the cords together, not specifically difficulty with high pitch. *Thyroarytenoid* - The **thyroarytenoid muscle** (which includes the vocalis muscle) acts to **relax and shorten the vocal cords**, lowering pitch and modulating vocal cord tension. - Dysfunction would primarily lead to difficulty with lower pitches or a hoarse voice, as it prevents proper relaxation of the vocal cords.
Question 39: Dysphonia plica ventricularis is produced from:
- A. Vocal cord
- B. Ventricular fold (Correct Answer)
- C. Arytenoid
- D. Epiglottis
Explanation: ***Ventricular fold*** - **Dysphonia plica ventricularis**, also known as **ventricular dysphonia** or **false vocal cord dysphonia**, occurs when the **ventricular folds** (false vocal cords) vibrate inappropriately during phonation. - This condition often results in a **hoarse**, rough, or strained voice quality, as the false vocal cords are not designed for regular vibratory function in voice production. *Vocal cord* - The **true vocal cords** are the primary structures responsible for producing sound through precise vibration and approximation during phonation. - Dysphonia originating from the **true vocal cords** would typically be described by terms like vocal fold paralysis, nodules, or polyps, not "plica ventricularis." *Arytenoid* - The **arytenoid cartilages** are crucial in vocal cord movement and tension through their articulation with the cricoid cartilage. - While they influence voice production, they do not directly vibrate to produce sound themselves; rather, they position the vocal cords. *Epiglottis* - The **epiglottis** is a leaf-shaped cartilage that primarily functions to prevent food and liquid from entering the trachea during swallowing. - It plays no direct role in voice generation through vibration; its involvement in phonation is generally limited to resonance or protection.
Question 40: The primary goal of Type 1 thyroplasty is:
- A. Lateralisation of vocal cord
- B. Medialisation of vocal cord (Correct Answer)
- C. Vocal cord shortening
- D. Vocal cord lengthening
Explanation: ***Medialisation of vocal cord*** - **Type 1 thyroplasty** (also known as medialization laryngoplasty) aims to push the vocal cord medially, improving vocal cord closure - This procedure is primarily used to treat **unilateral vocal cord paralysis** or paresis, where one vocal cord cannot move sufficiently to meet the other for voice production - By medializing the paralyzed vocal cord, the procedure restores glottic competence and improves voice quality *Lateralisation of vocal cord* - Lateralisation of the vocal cord would worsen a glottal gap and lead to a more breathy voice or aphonia - This is generally not a desired outcome for voice improvement but might be considered in cases of severe airway obstruction (e.g., Type 2 thyroplasty for bilateral vocal cord paralysis) *Vocal cord shortening* - Vocal cord shortening primarily affects pitch, typically lowering it, and is achieved through procedures like cricothyroid approximation or by altering tension - This is not the main goal of Type 1 thyroplasty, which focuses on closure rather than length *Vocal cord lengthening* - Vocal cord lengthening is done to increase vocal pitch, often through procedures that increase vocal cord tension, such as cricothyroid approximation - This is a separate surgical goal from improving vocal cord apposition, which is the aim of Type 1 thyroplasty
Practice by Chapter
Vocal Fold Structure and Function
Practice Questions
Voice Assessment and Examination
Practice Questions
Stroboscopy and High-speed Imaging
Practice Questions
Nodules, Polyps, and Cysts
Practice Questions
Vocal Fold Paralysis
Practice Questions
Spasmodic Dysphonia
Practice Questions
Professional Voice Care
Practice Questions
Voice Therapy
Practice Questions
Phonosurgery Techniques
Practice Questions
Laryngeal Framework Surgery
Practice Questions
Gender-Affirming Voice Care
Practice Questions
Pediatric Voice Disorders
Practice Questions
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