Diseases of the Pharynx Practice Questions

Q: Hot potato voice is seen in all of the following conditions EXCEPT:

Glottic cancer. **Explanation:** **Hot Potato Voice (Dyslalia)** refers to a thick, muffled quality of speech, similar to how one would speak with a hot potato in the mouth. It occurs due to **mechanical obstruction or mass effect** in the oropharynx or supraglottic region, which interferes with the resonance of sound rather than the vibration of the vocal cords. **Why Glottic Cancer is the Correct Answer:** Glottic cancer involves the true vocal cords. Any pathology affecting the free edge or vibration of the vocal cords results in **Hoarseness of Voice** (dysphonia), not a muffled voice. Therefore, glottic cancer is the exception. **Analysis of Other Options:** * **Peritonsillar Abscess (Quinsy):** This is the most classic cause of hot potato voice. The inflammatory edema and medial displacement of the tonsil/soft palate restrict oropharyngeal space and limit palate movement. * **Tonsillar Malignancy:** Large tumors of the palatine tonsil create a bulky mass in the oropharynx, leading to muffled speech through altered resonance. * **Posterior Tongue Malignancy:** Tumors at the base of the tongue interfere with the movement of the tongue and narrow the oropharyngeal inlet, resulting in a thick, muffled voice. **High-Yield Clinical Pearls for NEET-PG:** 1. **Hoarseness:** Think **Glottic** lesions (Vocal nodules, Glottic CA, Laryngitis). 2. **Hot Potato Voice:** Think **Supraglottic/Oropharyngeal** lesions (Quinsy, Epiglottitis, Retropharyngeal abscess, Base of tongue tumors). 3. **Stridor:** High-pitched sound indicating airway narrowing (Inspiratory = Supraglottic; Biphasic = Subglottic; Expiratory = Bronchial). 4. **Acute Epiglottitis:** A life-threatening cause of hot potato voice in children, often associated with the "Thumb sign" on X-ray.

Q: Which of the following statements is true regarding Plummer-Vinson syndrome?

Associated vitamin B12 deficiency may be present.. **Plummer-Vinson Syndrome (PVS)**, also known as **Paterson-Brown-Kelly Syndrome**, is characterized by a classic triad of iron-deficiency anemia, dysphagia, and esophageal webs. ### **Explanation of Options** * **Correct Answer (B):** While iron deficiency is the hallmark, PVS is frequently associated with other nutritional deficiencies. Studies and clinical observations have shown that **Vitamin B12 deficiency** and other B-complex vitamins (like riboflavin) may coexist, contributing to the mucosal changes (glossitis, cheilosis) seen in these patients. * **Option A:** This is incorrect. PVS has a strong **female predilection**, typically affecting middle-aged women (4th to 7th decade). * **Option C:** This is incorrect. Plummer-Vinson syndrome and **Paterson-Brown-Kelly syndrome** are synonymous terms for the same clinical entity. * **Option D:** This is incorrect. PVS is a well-known **premalignant condition**. It significantly increases the risk of squamous cell carcinoma of the **post-cricoid region** and upper esophagus. ### **Clinical Pearls for NEET-PG** * **The Triad:** 1. Iron deficiency anemia (Microcytic hypochromic), 2. Dysphagia (due to webs), 3. Esophageal webs (usually in the post-cricoid/cervical esophagus). * **Physical Findings:** Glossitis (smooth red tongue), Koilonychia (spoon-shaped nails), and angular stomatitis. * **Diagnosis:** **Barium swallow** is the investigation of choice to visualize the web (seen as a thin filling defect). * **Treatment:** Iron supplementation often resolves the dysphagia; however, persistent webs may require endoscopic dilation. * **High-Yield Association:** It is the most common cause of **post-cricoid carcinoma** in females.

Q: A marked area in the nasopharynx gives rise to which of the following diseases?

Nasopharyngeal carcinoma. ***Nasopharyngeal carcinoma*** - The **fossa of Rosenmüller** (pharyngeal recess/lateral recess of nasopharynx) is the most common site of origin for nasopharyngeal carcinoma, accounting for approximately **70%** of cases. - This **marked area** in the nasopharynx is the typical anatomical location where **squamous cell carcinoma** develops, often associated with **EBV infection**. *Angiofibroma* - Originates from the **sphenopalatine foramen area** and **pterygomaxillary fossa**, not the fossa of Rosenmüller. - Primarily affects **adolescent males** and presents with **unilateral nasal obstruction** and **epistaxis**. *Antrochoanal polyp* - Arises from the **maxillary sinus** mucosa, typically from the **posterior wall** or **floor** of the sinus. - Extends through the **middle meatus** into the **choana**, not originating from the nasopharyngeal recess. *Inverted papilloma* - Originates from the **lateral nasal wall** near the **middle meatus** and **ethmoid region**. - Has a characteristic **inverted growth pattern** into the underlying stroma and **high malignant potential** (10-15%).

Q: The association of membranous tonsillitis with petechial eruption on the palate and generalized lymphadenopathy should suggest which diagnosis?

Infectious mononucleosis. ### Explanation The clinical triad of **membranous tonsillitis**, **palatal petechiae**, and **generalized lymphadenopathy** is a classic presentation of **Infectious Mononucleosis (IM)**, also known as Glandular Fever. **1. Why Infectious Mononucleosis is correct:** Caused by the **Epstein-Barr Virus (EBV)**, IM typically affects adolescents and young adults. The pharyngeal involvement presents as an exudative or membranous tonsillitis (often mimicking streptococcal sore throat). A key diagnostic clue is the presence of **petechiae at the junction of the hard and soft palate** (Holzel’s sign). The lymphadenopathy is characteristically generalized, involving the posterior cervical chain, and is often accompanied by splenomegaly and hepatomegaly. **2. Why other options are incorrect:** * **Cat Scratch Disease:** Caused by *Bartonella henselae*, it typically presents with **localized** lymphadenopathy (draining the site of a scratch) rather than generalized involvement or membranous tonsillitis. * **Measles:** While it features a prodromal cough, coryza, and conjunctivitis, the pathognomonic oral finding is **Koplik spots** (white spots on the buccal mucosa), not palatal petechiae or membranous tonsillitis. * **Scarlet Fever:** Caused by Group A Streptococcus, it presents with a "strawberry tongue" and a diffuse sandpaper-like rash. While it causes tonsillitis, it does not typically cause generalized lymphadenopathy or palatal petechiae. **Clinical Pearls for NEET-PG:** * **Paul-Bunnell Test:** Detects heterophile antibodies (diagnostic for EBV). * **Peripheral Smear:** Shows **atypical lymphocytes** (Downey cells). * **Treatment Warning:** Administration of **Ampicillin or Amoxicillin** in a patient with IM often triggers a characteristic maculopapular skin rash. * **Complication:** Splenic rupture is a rare but life-threatening complication; patients should avoid contact sports.

Q: A 70-year-old man presents with regurgitation of food, dysphagia, halitosis, and a sensation of 'lump in the throat'. What is the most likely diagnosis?

Pharyngeal pouch. **Explanation:** The clinical presentation of an elderly male with **regurgitation of undigested food**, **halitosis** (due to fermentation of food in the pouch), **dysphagia**, and a **"lump in the throat"** is a classic description of a **Pharyngeal Pouch (Zenker’s Diverticulum)**. **Why it is correct:** Zenker’s diverticulum is a pulsion diverticulum occurring through **Killian’s dehiscence**, a weak area between the thyropharyngeus and cricopharyngeus muscles (parts of the inferior constrictor). It is caused by neuromuscular incoordination. The "lump in the throat" and gurgling sounds in the neck (**Boyce’s sign**) are characteristic. Regurgitation often occurs while sleeping or bending over. **Why incorrect options are wrong:** * **Carcinoma Esophagus:** Usually presents with progressive dysphagia (solids then liquids) and significant weight loss. Regurgitation of undigested food and long-standing halitosis are less common than in Zenker’s. * **Diffuse Esophageal Spasm:** Characterized by intermittent chest pain (mimicking angina) and dysphagia. Barium swallow shows a "corkscrew esophagus," not a pouch. * **Esophageal Dysmotility (e.g., Achalasia):** Presents with dysphagia to both solids and liquids from the onset and nocturnal regurgitation, but typically lacks the specific "neck lump" sensation and the anatomical localization seen in Zenker’s. **NEET-PG High-Yield Pearls:** * **Investigation of Choice:** Barium Swallow (shows a pouch behind the esophagus). * **Treatment:** Small pouches are managed by **Dohlman’s Procedure** (Endoscopic staple diverticulotomy); large pouches may require external diverticulectomy with cricopharyngeal myotomy. * **Complication:** Aspiration pneumonia is the most common serious complication. * **Contraindication:** Rigid esophagoscopy should be done with extreme caution due to the high risk of pouch perforation.

Q: Anti-gravity aspiration is done in which of the following conditions?

TB abscess. **Explanation:** The concept of **anti-gravity aspiration** is specifically associated with the management of a **Cold Abscess** (Tuberculous abscess) in the neck, most commonly seen in **Retropharyngeal TB**. 1. **Why TB Abscess is correct:** A cold abscess is caused by tuberculosis of the cervical spine (Pott’s spine). The pus collects behind the prevertebral fascia. If the abscess is drained through a dependent (lower) incision, gravity causes persistent tracking of pus, leading to the formation of a **persistent discharging sinus** and secondary pyogenic infection. To prevent this, aspiration is performed from a higher level (anti-gravity) or through healthy skin away from the most fluctuant point, ensuring the tract collapses and heals without sinus formation. 2. **Why other options are incorrect:** * **Quinsy (Peritonsillar Abscess):** This is an acute pyogenic infection. Management involves **Incision and Drainage (I&D)** at the point of maximum bulge (usually lateral to the anterior pillar) to allow gravity to assist drainage. * **Parapharyngeal Abscess:** This is a deep neck space infection managed via an external cervical approach (Mosher’s incision) to ensure dependent drainage of the multi-loculated pus. * **Ludwig’s Angina:** This is a submandibular space cellulitis. Treatment involves aggressive airway management and a wide horizontal incision for decompression, not anti-gravity aspiration. **Clinical Pearls for NEET-PG:** * **Retropharyngeal Abscess:** Acute (Pyogenic) is common in children; Chronic (TB) is common in adults. * **Treatment of choice for TB Retropharyngeal Abscess:** Systemic ATT + Aspiration through the **lateral side of the neck** (posterior to Sternocleidomastoid). * **Avoid:** Never drain a TB abscess trans-orally, as it leads to secondary infection and potential aspiration of pus.

Q: A 65-year-old patient presents with dysphagia, regurgitation, and halitosis. A barium swallow shows diverticula at the upper esophagus. Which of the following statements is FALSE about this condition?

It is more common in women.. ### Explanation The clinical presentation of dysphagia, regurgitation, and halitosis in an elderly patient, combined with a barium swallow showing a diverticulum, is diagnostic of **Zenker’s Diverticulum** (Pharyngeal Pouch). **1. Why Option A is the Correct (False) Statement:** Zenker’s diverticulum is significantly **more common in men** than in women (ratio approx. 2:1 or 3:1). It typically affects the elderly, usually in the 7th or 8th decade of life. **2. Analysis of Other Options:** * **Option B (Killian’s Triangle):** This is a true statement. The pouch is a **pulsion diverticulum** (mucosal herniation) occurring through a weak area between the horizontal fibers of the **cricopharyngeus** and the oblique fibers of the **thyropharyngeus** (inferior constrictor). * **Option C (Left-sided deviation):** This is true. Although it originates in the midline posteriorly, as the sac enlarges, it usually deviates to the **left side** because the esophagus lies slightly to the left of the midline and there is more space in the left prevertebral area. * **Option D (Treatment):** This is true. Management involves addressing the underlying cause (cricopharyngeal spasm) via **cricopharyngeal myotomy**. Small sacs may be left alone after myotomy, but larger ones require excision (**diverticulectomy**) or suspension (**diverticulopexy**). Endoscopic Dohlman’s procedure is also a modern alternative. ### High-Yield Clinical Pearls for NEET-PG: * **Boyce’s Sign:** A gurgling sound heard on the side of the neck when external pressure is applied to the pouch. * **Diagnosis:** **Barium Swallow** is the investigation of choice. * **Contraindication:** Rigid esophagoscopy or NG tube insertion should be avoided or done with extreme caution due to the high risk of **perforation**. * **Complications:** Aspiration pneumonia (most common) and rarely, Squamous Cell Carcinoma within the pouch.

Q: A coin is lodged in the esophagus of an asymptomatic 3-year-old female child. What is the recommended treatment?

Endoscopic removal after 24 hours. **Explanation:** The management of esophageal foreign bodies depends on the **nature of the object**, the **location**, and the **symptomatology** of the patient. **1. Why Option A is correct:** For a **blunt object** (like a coin) lodged in the esophagus of an **asymptomatic** child, a period of observation for up to **24 hours** is recommended. Many coins pass spontaneously into the stomach during this window. If the coin remains in the esophagus after 24 hours, endoscopic removal is indicated to prevent mucosal ulceration or stricture formation. **2. Why other options are incorrect:** * **Option B:** Immediate removal is reserved for **symptomatic** patients (drooling, respiratory distress), **sharp objects**, **button batteries** (due to risk of corrosive injury), or if the airway is compromised. * **Option C:** Waiting for 48 hours increases the risk of pressure necrosis and esophageal perforation. The standard observation limit for esophageal foreign bodies is 24 hours. * **Option D:** Blindly pushing the object with a Ryle’s tube is contraindicated as it can cause esophageal trauma or lead to accidental aspiration into the airway. **High-Yield Clinical Pearls for NEET-PG:** * **Most common site of lodgment:** Cricopharyngeus muscle (Upper Esophageal Sphincter). * **Radiology:** On X-ray (AP view), a coin in the **esophagus** appears as a full circle ("face-on"), whereas a coin in the **trachea** appears as a thin line (on edge). * **Button Battery:** This is a **surgical emergency** if lodged in the esophagus; it can cause liquefactive necrosis and perforation within 2 hours. * **Post-Stomach:** Once a coin passes the pylorus into the stomach, it usually passes through the entire GI tract spontaneously. Intervention is only needed if it remains in the stomach for >3-4 weeks.

Q: A 14-year-old female presents with quinsy in the right side of her oropharynx. During surgical removal of the pathologic tissue or incision and drainage of the area, which of the following arteries is at greatest risk?

Facial artery branch. **Explanation:** The clinical scenario describes **Quinsy (Peritonsillar Abscess)**, which occurs in the peritonsillar space between the palatine tonsil capsule and the superior constrictor muscle. **Why the correct answer is right:** The **tonsillar artery**, which is a branch of the **Facial artery**, is the main arterial supply to the palatine tonsil. It pierces the superior constrictor muscle to enter the lower pole of the tonsil. During incision and drainage or tonsillectomy, this artery (or its parent facial artery, which lies just lateral to the constrictor) is at the highest risk of injury, leading to significant hemorrhage. Additionally, the **external palatine vein** (paratonsillar vein) is a common source of bleeding in this region. **Why the incorrect options are wrong:** * **Lingual artery:** While it supplies the tongue and gives off dorsal lingual branches to the tonsil, it lies deeper and more inferiorly, making it less vulnerable during a superficial drainage of a peritonsillar abscess. * **Superior laryngeal artery:** This is a branch of the superior thyroid artery. It pierces the thyrohyoid membrane to supply the larynx; it is anatomically distant from the oropharyngeal tonsillar fossa. * **Ascending pharyngeal artery:** Although it contributes to the tonsillar blood supply via its pharyngeal branches, it is located more medially on the pharyngeal wall and is not the primary vessel at risk compared to the facial artery branches. **NEET-PG High-Yield Pearls:** * **Tonsillar Bed:** Formed mainly by the **Superior Constrictor** and Styloglossus muscles. * **Nerve at Risk:** The **Glossopharyngeal nerve (CN IX)** lies in the tonsillar bed and can be injured, leading to loss of taste/sensation in the posterior 1/3 of the tongue. * **Most common vessel for primary hemorrhage:** Tonsillar artery (branch of Facial). * **Most common vessel for venous hemorrhage:** External palatine vein.

Question 1

Hot potato voice is seen in all of the following conditions EXCEPT:

Accepted Answer

Glottic cancer

Answer

Tonsillar malignancy

Answer

Posterior tongue malignancy

Answer

Peritonsillar abscess

Question 2

Which of the following statements is true regarding Plummer-Vinson syndrome?

Accepted Answer

Associated vitamin B12 deficiency may be present.

Answer

Higher incidence in males.

Answer

Distinct from Paterson-Brown-Kelly syndrome.

Answer

Does not increase the risk of malignant transformation.

Question 3

A marked area in the nasopharynx gives rise to which of the following diseases?

Accepted Answer

Nasopharyngeal carcinoma

Answer

Angiofibroma

Answer

Antrochoanal polyp

Answer

Inverted papilloma

Question 4

The association of membranous tonsillitis with petechial eruption on the palate and generalized lymphadenopathy should suggest which diagnosis?

Accepted Answer

Infectious mononucleosis

Answer

Cat scratch disease

Answer

Measles

Answer

Scarlet fever

Question 5

A 70-year-old man presents with regurgitation of food, dysphagia, halitosis, and a sensation of 'lump in the throat'. What is the most likely diagnosis?

Accepted Answer

Pharyngeal pouch

Answer

Carcinoma esophagus

Answer

Diffuse esophageal spasm

Answer

Esophageal dysmotility

Question 6

Anti-gravity aspiration is done in which of the following conditions?

Accepted Answer

TB abscess

Answer

Quinsy

Answer

Parapharyngeal abscess

Answer

Ludwig's Angina

Question 7

Radiotherapy is used in the treatment of angiofibroma when it involves which of the following structures?

Accepted Answer

Middle cranial fossa

Answer

Cheek

Answer

Orbit

Answer

Cavernous sinus

Question 8

A 65-year-old patient presents with dysphagia, regurgitation, and halitosis. A barium swallow shows diverticula at the upper esophagus. Which of the following statements is FALSE about this condition?

Accepted Answer

It is more common in women.

Answer

It arises from Killian's triangle.

Answer

It usually deviates from the midline, mostly to the left.

Answer

Treatment involves myotomy of the cricopharyngeus muscle and excision of the sac.

Question 9

A coin is lodged in the esophagus of an asymptomatic 3-year-old female child. What is the recommended treatment?

Accepted Answer

Endoscopic removal after 24 hours

Answer

Immediate endoscopic removal

Answer

Wait for 48 hours

Answer

Dislodge the coin into the stomach by inserting a Ryles tube

Question 10

A 14-year-old female presents with quinsy in the right side of her oropharynx. During surgical removal of the pathologic tissue or incision and drainage of the area, which of the following arteries is at greatest risk?

Accepted Answer

Facial artery branch

Answer

Lingual artery

Answer

Superior laryngeal artery

Answer

Ascending pharyngeal artery

Diseases of the Pharynx — MCQs

Diseases of the Pharynx — MCQs

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