Phoniatrics and Voice Disorders Practice Questions

Q: In thyroplasty type 2, what is the position of the vocal cord?

Lateralized. **Explanation:** Thyroplasty, also known as **Isshiki’s framework surgery**, involves altering the position or tension of the vocal cords by manipulating the thyroid cartilage. **Thyroplasty Type 2 (Lateralization)** is indicated for **Adductor Spasmodic Dysphonia**. In this condition, the vocal cords close too tightly, causing a "strangled" or "strained" voice. To correct this, a vertical midline incision is made in the thyroid cartilage, and the two halves are pulled apart (lateralized) and held in place with spacers (e.g., titanium bridges). This moves the vocal cords away from the midline, preventing them from slamming together and resulting in a smoother, more breathy voice. **Analysis of Incorrect Options:** * **B. Medialized (Type 1):** This is the most common type, used for **Unilateral Vocal Cord Palsy**. A window is created in the thyroid cartilage to push the paralyzed cord toward the midline to improve closure. * **C. Shortened (Type 3):** Also called **Relaxation Thyroplasty**, it involves removing a vertical strip of cartilage to shorten the cords, thereby **lowering the pitch** (used in Androphonia). * **D. Lengthened (Type 4):** Also called **Tension Thyroplasty**, it involves cricothyroid approximation to stretch the cords, thereby **raising the pitch** (used in Puberphonia). **High-Yield Clinical Pearls for NEET-PG:** * **Type 1:** Medialization (for Paralysis) – *Think: "1 is for One-sided palsy"* * **Type 2:** Lateralization (for Spasmodic Dysphonia) * **Type 3:** Relaxation (Lowers pitch) * **Type 4:** Stretching/Tension (Raises pitch) – *Think: "4 is for High pitch/Puberphonia"*

Q: Androphonia is treated by which type of thyroplasty?

Type 4 thyroplasty. **Explanation:** **Androphonia** is a condition where a female possesses an abnormally low-pitched, masculine voice. The physiological goal of treatment is to **increase the pitch** of the voice. Pitch is directly proportional to the tension and length of the vocal cords. **Why Type 4 is Correct:** **Type 4 Thyroplasty (Cricothyroid Approximation)** is designed to increase pitch. It involves suturing the thyroid cartilage to the cricoid cartilage, mimicking the action of the cricothyroid muscle. This maneuver stretches and increases the tension of the vocal folds, thereby raising the fundamental frequency of the voice. It is the gold standard surgical treatment for androphonia and gender-affirming voice surgery (trans-female). **Analysis of Incorrect Options:** * **Type 1 (Medialization):** Used for unilateral vocal cord palsy. It pushes the vocal cord toward the midline to improve glottic closure. * **Type 2 (Lateralization):** Used for Adductor Spasmodic Dysphonia. It moves the vocal cords apart to prevent forceful spasms. * **Type 3 (Relaxation):** Used for **Puberphonia** (high-pitched male voice). It involves shortening/relaxing the vocal cords to lower the pitch—the exact opposite of the requirement for androphonia. **High-Yield Clinical Pearls for NEET-PG:** * **Isshiki Classification:** The standard classification for thyroplasty (Phonosurgery). * **Puberphonia:** First-line treatment is **Gutzmann’s Pressure Test** (Voice therapy); if it fails, Type 3 Thyroplasty is performed. * **Androphonia:** Often caused by virilization (hormonal) or chronic smoking (Reinke’s edema). * **Mnemonic for Pitch:** Type **3** (Lowering/Relaxing) vs. Type **4** (Raising/Tension).

Q: A male patient presents with a female-like voice. This condition is called:

Puberphonia. **Explanation:** **1. Why Puberphonia is Correct:** Puberphonia (also known as **mutational falsetto**) is a functional voice disorder where a post-pubescent male continues to use a high-pitched, feminine voice despite having a normal adult larynx. During puberty, the male larynx grows rapidly under the influence of testosterone, causing the vocal cords to lengthen and thicken, which normally drops the pitch by an octave. In puberphonia, the patient resists this change by habitually contracting the cricothyroid muscle, keeping the vocal cords tense and thin, resulting in a high-pitched voice. **2. Analysis of Incorrect Options:** * **Androphonia:** This is the opposite of puberphonia. It refers to a female patient possessing a low-pitched, masculine voice. It is often seen in conditions like Reinke’s edema or virilization due to hormonal imbalances. * **Rhinolalia Aperta (Hypernasality):** This is a resonance disorder where there is excessive escape of air through the nose during speech, often due to velopharyngeal insufficiency (e.g., cleft palate). * **Rhinolalia Clausa (Hyponasality):** This occurs when there is a lack of normal nasal resonance due to nasal obstruction (e.g., adenoid hypertrophy or nasal polyps), making the patient sound as if they have a "cold in the head." **3. NEET-PG High-Yield Pearls:** * **Treatment of Choice:** Voice therapy (specifically the **Gutzmann’s pressure test**, where downward pressure is applied to the thyroid cartilage to lower the pitch) is the primary treatment. * **Surgical Option:** If therapy fails, **Type III Thyroplasty** (Relaxation Thyroplasty) is performed to shorten and relax the vocal cords. * **Psychological Aspect:** It is often associated with difficulty in accepting the adult male role or an over-attachment to the mother.

Q: A 26-year-old female presents with a scratchy, croaky voice. Which of the following statements is true?

Adductor dysphonia is the underlying cause.. ### Explanation The clinical presentation of a **"scratchy, croaky, or strained-strangled"** voice in a young adult is characteristic of **Adductor Spasmodic Dysphonia (ADSD)**, the most common type of focal laryngeal dystonia. #### 1. Why Option C is Correct In Adductor Dysphonia, there are involuntary spasms of the **Adductor muscles** (primarily the Lateral Cricoarytenoid and Thyroarytenoid). This causes the vocal folds to slam together tightly during speech, resulting in a voice that sounds forced, "choked," or "strained-strangled" with frequent pitch breaks. #### 2. Why Other Options are Incorrect * **Option A:** While Botulinum toxin (Botox) is the gold standard treatment, it is injected into the **Thyroarytenoid (TA) muscle**, not the cricoarytenoid. Injecting the cricoarytenoid would not effectively address the adductor spasms. * **Option B:** **Type I Thyroplasty** (Medialization) is used for vocal cord palsy (to move a cord to the midline). For ADSD, **Type II Thyroplasty** (Lateralization) is sometimes used to prevent the cords from meeting too tightly. * **Option D:** **Abductor Dysphonia** presents with a **breathy, whispering voice** due to spasms of the Posterior Cricoarytenoid (PCA) muscle, which pull the vocal folds apart during phonation. #### Clinical Pearls for NEET-PG * **Gold Standard Treatment:** Botulinum toxin injection into the **Thyroarytenoid muscle** (for Adductor type) or **Posterior Cricoarytenoid** (for Abductor type). * **Key Distinction:** Adductor = Strained/Croaky voice; Abductor = Breathy/Whispery voice. * **Task Specificity:** Symptoms often disappear during singing, whispering, or laughing, which is a classic diagnostic clue for spasmodic dysphonia. * **Diagnosis:** Confirmed via fiberoptic laryngoscopy showing "spasmodic" closures during speech.

Q: Gutzmann pressure in puberphonia is described as?

Backwards and Downwards. **Explanation:** **Puberphonia** (Mutational Falsetto) is a functional voice disorder where a post-pubescent male continues to use a high-pitched pre-pubertal voice. This occurs because the larynx is held high in the neck, and the vocal folds are stretched thin and tense, preventing the transition to a lower pitch. **Why "Backwards and Downwards" is correct:** The **Gutzmann maneuver** is a diagnostic and therapeutic clinical test. The examiner applies manual pressure on the thyroid cartilage in a **backward and downward** direction. * **Downward pressure** lowers the high-positioned larynx. * **Backward (posterior) pressure** relaxes the overstretched vocal folds by shortening the distance between the thyroid and arytenoid cartilages. This maneuver results in an immediate drop in vocal pitch to a normal male range, confirming the diagnosis and demonstrating to the patient that they are capable of producing a deeper voice. **Analysis of Incorrect Options:** * **B & D (Backwards / Downwards alone):** While both components are part of the movement, neither alone is sufficient to both lower the laryngeal position and relax the vocal fold tension simultaneously. * **C (Backwards and Up):** Upward pressure would mimic the pathology of puberphonia (where the larynx is already elevated) and would further increase the pitch rather than lowering it. **High-Yield Clinical Pearls for NEET-PG:** * **Primary Treatment:** Voice therapy (Speech therapy) is the first-line treatment. * **Surgical Option:** If therapy fails, **Type III Thyroplasty** (Relaxation Thyroplasty) is performed to shorten the vocal folds. * **Differential Diagnosis:** Must rule out organic causes like laryngeal webs or hormonal imbalances (Kallmann syndrome). * **Psychology:** It is often associated with difficulty in accepting adult identity or over-attachment to the mother.

Q: What is the treatment for early vocal nodules?

Voice therapy. **Explanation:** **Vocal nodules** (also known as Singer’s or Teacher’s nodules) are benign, bilateral, symmetrical swellings located at the junction of the anterior 1/3rd and posterior 2/3rds of the vocal folds. This is the site of maximum vibratory amplitude. 1. **Why Voice Therapy is Correct:** The primary pathophysiology of vocal nodules is **vocal abuse or misuse** (hyperfunctional voice disorder). In the **early stage**, nodules are soft, edematous, and reddish. Since the underlying cause is mechanical trauma from poor vocal hygiene, the first-line treatment is **conservative management via voice therapy**. This involves teaching the patient proper breathing techniques, vocal rest, and eliminating "glottal attacks." Most early-stage nodules are reversible with these behavioral changes. 2. **Why Other Options are Incorrect:** * **A & B (Excision/Laser ablation):** Surgical intervention (Microlaryngeal surgery or CO2 Laser) is reserved only for **chronic, fibrotic nodules** that have failed a trial of voice therapy (usually 3–6 months). Surgery in the early stage is contraindicated as it may lead to scarring without addressing the causative behavior. * **D (Tissue sampling):** Vocal nodules have a classic clinical appearance and history. Routine biopsy is not indicated unless there is a suspicion of malignancy (which is rare in bilateral, symmetrical lesions in professional voice users). **Clinical Pearls for NEET-PG:** * **Location:** Junction of anterior 1/3 and posterior 2/3 (Site of maximum vibration). * **Demographics:** Most common in male children and adult females. * **Stroboscopy:** Shows an "hourglass" glottic closure pattern. * **Management Rule:** Always "Voice Therapy first" for nodules; "Surgery first" for vocal polyps (which are usually unilateral and less responsive to therapy).

Q: Which materials are used for injection thyroplasty?

All the above. **Explanation:** **Injection Thyroplasty** (also known as Injection Laryngoplasty) is a surgical procedure used to treat **unilateral vocal cord paralysis** or glottic insufficiency. The primary goal is to "bulk up" the paralyzed vocal fold, moving it toward the midline so the functioning fold can make contact, thereby improving voice quality and preventing aspiration. **Why "All the Above" is correct:** The choice of material depends on the desired duration of the effect (temporary vs. permanent) and biocompatibility. * **Collagen (Option A):** Bovine or human-derived collagen was one of the earliest materials used. It is typically used for temporary medialization as it eventually resorbs. * **Acellular Micronized Human Dermis (Option B):** Marketed under names like *Cymetra*, this is a processed human cadaveric tissue. It provides a scaffold for host cell ingrowth and lasts longer than simple collagen (approx. 6–12 months). * **Gelatin Powder/Sponge (Option C):** Often used in the form of *Gelfoam* paste, this is a short-acting, temporary material (lasting 4–6 weeks). It is ideal for patients where nerve recovery is expected or as a "trial" before permanent surgery. **High-Yield Clinical Pearls for NEET-PG:** * **Indications:** Unilateral vocal cord paralysis, vocal fold atrophy (presbyphonia), and vocal fold scarring. * **Other Materials:** **Teflon** (historical, now largely abandoned due to "Teflon granuloma"), **Hydroxyapatite** (Radiance/Radiesse - long-lasting), and **Autologous Fat** (requires a donor site). * **Type I Thyroplasty (Isshiki):** Unlike injection, this is a permanent "framework surgery" involving an external approach and a silastic/Gore-Tex implant. * **Key Contraindication:** Bilateral vocal cord paralysis (where the airway is the priority, not the voice).

Q: For a case of puberphonia, which type of thyroplasty is typically used?

Type 3. **Explanation:** **Puberphonia** (mutational falsetto) is a functional voice disorder where a post-pubescent male continues to use a high-pitched pre-pubertal voice. The physiological basis of this high pitch is excessive tension in the vocal folds and a high position of the larynx. **Why Type 3 is Correct:** The goal of treating puberphonia (when speech therapy fails) is to **lower the vocal pitch**. This is achieved through **Type 3 Thyroplasty (Relaxation Thyroplasty)**. In this procedure, a vertical strip of thyroid cartilage is removed or the anterior commissure is pushed backward. This shortens the anteroposterior length of the vocal folds, reducing their tension and effectively lowering the fundamental frequency of the voice. **Analysis of Incorrect Options:** * **Type 1 (Medialization):** Used for unilateral vocal cord palsy. It pushes the vocal cord toward the midline to improve glottic closure. * **Type 2 (Lateralization):** Used for Adductor Spasmodic Dysphonia. It moves the vocal cords apart to prevent forceful over-approximation. * **Type 4 (Cricothyroid Approximation):** Used to **increase pitch** (e.g., in androphonia or male-to-female transgender surgery). It stretches the vocal folds, the opposite of what is needed for puberphonia. **High-Yield Clinical Pearls for NEET-PG:** * **First-line treatment:** Voice therapy (specifically **Gutzmann’s pressure test** or digital manipulation) is the primary treatment for puberphonia. * **Isshiki Classification:** This is the standard classification for thyroplasty (Framework Surgery). * **Type 3 Mechanism:** Think of it as "detuning" a guitar string by loosening it to produce a deeper sound.

Question 1

In thyroplasty type 2, what is the position of the vocal cord?

Accepted Answer

Lateralized

Answer

Medialized

Answer

Shortened

Answer

Lengthened

Question 2

Androphonia is treated by which type of thyroplasty?

Accepted Answer

Type 4 thyroplasty

Answer

Type 1 thyroplasty

Answer

Type 2 thyroplasty

Answer

Type 3 thyroplasty

Question 3

A male patient presents with a female-like voice. This condition is called:

Accepted Answer

Puberphonia

Answer

Androphonia

Answer

Rhinolalia aperta

Answer

Rhinolalia clausa

Question 4

A 26-year-old female presents with a scratchy, croaky voice. Which of the following statements is true?

Accepted Answer

Adductor dysphonia is the underlying cause.

Answer

The best treatment is botulinum toxin injection into the cricoarytenoid muscle.

Answer

Type I thyroplasty can be used as a treatment.

Answer

Abductor dysphonia is the underlying cause.

Question 5

Gutzmann pressure in puberphonia is described as?

Accepted Answer

Backwards and Downwards

Answer

Backwards

Answer

Backwards and Up

Answer

Downwards

Question 6

Voice produced by false vocal cords due to non-functioning of true cords is seen in which condition?

Accepted Answer

Dysphonia plica ventricularis

Answer

Spasmodic dysphonia

Answer

Puberophonia

Answer

Habitual dysphonia

Question 7

What is the treatment for early vocal nodules?

Accepted Answer

Voice therapy

Answer

Excision

Answer

Laser ablation

Answer

Tissue sampling followed by definitive therapy

Question 8

Which materials are used for injection thyroplasty?

Accepted Answer

All the above

Answer

Collagen

Answer

Acellular miconized human dermis

Answer

Gelatin powder

Question 9

For a case of puberphonia, which type of thyroplasty is typically used?

Accepted Answer

Type 3

Answer

Type 1

Answer

Type 2

Answer

Type 4

Question 10

Which of the following cancers can cause referred otalgia?

Accepted Answer

Cancer of the pharynx

Answer

Cancer of the larynx

Answer

Cancer of the oral cavity

Answer

All of the above

Phoniatrics and Voice Disorders — MCQs

Phoniatrics and Voice Disorders — MCQs

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