Diseases of the Pharynx — MCQs
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A 45-year-old male presented to the emergency department with chest pain associated with swallowing a piece of meat. He reports similar episodes over the past 3 years, but today's episode was the most severe. He denies a history of regurgitation other than these episodes or heartburn symptoms. There is no difficulty with liquid intake and he has not experienced any weight loss. What is the probable diagnosis in this case?
Adenoidectomy is contraindicated in which of the following conditions?
Dysphagia lusoria is due to which of the following?
Adenoid lies in which part of the pharynx?
What is the recommended treatment for a peritonsillar abscess?
What is styalgia also known as?
Which of the following is true about enlarged adenoids?
The palatine tonsil receives its arterial supply from all of the following except?
What is the term for swelling located in the tonsillar area, specifically between the tonsil and the superior constrictor muscle?
A 14-year-old patient presents with cheek swelling and mild proptosis. What is the most likely diagnosis?
Diseases of the Pharynx Indian Medical PG Practice Questions and MCQs
Question 91: A 45-year-old male presented to the emergency department with chest pain associated with swallowing a piece of meat. He reports similar episodes over the past 3 years, but today's episode was the most severe. He denies a history of regurgitation other than these episodes or heartburn symptoms. There is no difficulty with liquid intake and he has not experienced any weight loss. What is the probable diagnosis in this case?
- A. Schatzki ring (Correct Answer)
- B. Adenocarcinoma of the esophagus
- C. Achalasia
- D. Plummer-Vinson syndrome
Explanation: ### Explanation The clinical presentation describes **Schatzki ring** (also known as a lower esophageal mucosal ring). This condition is characterized by a thin, diaphragm-like narrowing at the squamocolumnar junction of the distal esophagus. **Why Schatzki Ring is Correct:** The hallmark of Schatzki ring is **intermittent episodic dysphagia** specifically to **solids** (often triggered by poorly chewed meat or bread, famously termed the **"Steakhouse Syndrome"**). The patient is typically asymptomatic between episodes, and there is no progression to liquid dysphagia or significant weight loss, which aligns perfectly with this 45-year-old patient’s 3-year history. **Why Other Options are Incorrect:** * **Adenocarcinoma of the esophagus:** This typically presents in older patients with **progressive** dysphagia (starting with solids and moving to liquids) and significant **weight loss**. * **Achalasia:** This involves a failure of the lower esophageal sphincter to relax. It presents with **progressive** dysphagia to **both solids and liquids** from the onset, often accompanied by regurgitation of undigested food. * **Plummer-Vinson syndrome:** While it causes solid food dysphagia, it is associated with **upper esophageal webs**, iron deficiency anemia, post-cricoid location, and typically affects middle-aged women. **High-Yield Clinical Pearls for NEET-PG:** * **Location:** Schatzki rings are always found at the **squamocolumnar junction** (B-ring), whereas webs are usually in the upper esophagus. * **Association:** Frequently associated with **Hiatus Hernia**. * **Diagnosis:** Best visualized via **Barium Swallow** (shows a thin transverse shelf). * **Treatment:** Reassurance, chewing food thoroughly, or **endoscopic dilation** if symptoms persist.
Question 92: Adenoidectomy is contraindicated in which of the following conditions?
- A. Bleeding disorder
- B. Infection
- C. Submucous cleft palate
- D. All of the above (Correct Answer)
Explanation: **Explanation:** Adenoidectomy is a common pediatric surgical procedure, but it carries specific contraindications that are frequently tested in the NEET-PG exam. The correct answer is **All of the above** because each option represents a critical clinical scenario where surgery is either unsafe or leads to poor functional outcomes. 1. **Bleeding Disorders (A):** Adenoidectomy is a highly vascular procedure performed in a space where direct pressure is difficult to apply. Conditions like Hemophilia or Von Willebrand disease are absolute contraindications unless the clotting factors are adequately replaced, as they pose a high risk of life-threatening primary or reactionary hemorrhage. 2. **Infection (B):** Surgery should not be performed during an acute upper respiratory tract infection (URTI). Acute infection increases the vascularity of the lymphoid tissue, significantly raising the risk of intraoperative bleeding. It also increases the risk of postoperative complications like pneumonia or septicemia. 3. **Submucous Cleft Palate (C):** This is a **classic high-yield contraindication**. In these patients, the adenoid mass acts as a "plug" that helps the short or weak palate achieve velopharyngeal closure. Removing the adenoids creates a large gap, leading to **Velopharyngeal Insufficiency (VPI)**, which results in hypernasal speech (rhinolalia aperta) and nasal regurgitation of food. **Clinical Pearls for NEET-PG:** * **Most common complication:** Postoperative hemorrhage (Primary or Reactionary). * **Velopharyngeal Insufficiency:** Always palpate the hard palate for a "notch" and look for a bifid uvula before surgery to rule out submucous cleft palate. * **Age Factor:** Generally avoided in children under 3 years unless there is severe obstructive sleep apnea (OSA). * **Other contraindications:** Severe anemia and uncontrolled systemic diseases.
Question 93: Dysphagia lusoria is due to which of the following?
- A. Compression of esophagus by the arch of aorta
- B. Compression by the aberrant right subclavian artery (Correct Answer)
- C. Compression by mediastinal thymoma
- D. Compression by retrosternal thyroid
Explanation: ### Explanation **Dysphagia lusoria** (derived from the Latin *lusus naturae*, meaning "jest of nature") is a clinical condition characterized by difficulty swallowing due to extrinsic compression of the esophagus by a vascular anomaly. **Why Option B is Correct:** The most common cause is an **aberrant right subclavian artery (ARSA)**. In this congenital anomaly, the right subclavian artery does not arise from the brachiocephalic trunk. Instead, it arises as the last branch of the aortic arch and travels from left to right to reach the right arm. In approximately 80% of cases, it passes **posterior to the esophagus**, creating a mechanical indentation that leads to dysphagia. **Why Other Options are Incorrect:** * **Option A:** While the aortic arch is in close proximity to the esophagus, a normal arch does not cause dysphagia. A "Double Aortic Arch" can cause compression (forming a vascular ring), but this is not termed Dysphagia lusoria. * **Options C & D:** Mediastinal thymomas and retrosternal thyroids are common causes of extrinsic esophageal compression and superior vena cava syndrome, but they are neoplastic or inflammatory masses, not vascular anomalies. **High-Yield Clinical Pearls for NEET-PG:** * **Barium Swallow Finding:** Characteristically shows an **oblique, spiral, or finger-like indentation** on the posterior aspect of the esophagus at the level of the 3rd or 4th thoracic vertebrae. * **Association:** It is often associated with a **non-recurrent right laryngeal nerve**, which is a critical surgical consideration during thyroidectomy. * **Treatment:** Most cases are asymptomatic. Surgical vascular reconstruction is reserved for severe symptoms or complications like Kommerell’s diverticulum (aneurysmal dilation at the origin of the ARSA).
Question 94: Adenoid lies in which part of the pharynx?
- A. Hypopharynx
- B. Oropharynx
- C. Trachea
- D. Nasopharynx (Correct Answer)
Explanation: **Explanation:** The **Adenoid** (also known as the pharyngeal tonsil) is a subepithelial collection of lymphoid tissue located in the **roof and posterior wall of the nasopharynx**. It forms the superior-most component of **Waldeyer’s Ring**, a protective ring of lymphoid tissue at the entrance of the aerodigestive tract. **Why the other options are incorrect:** * **Hypopharynx (Laryngopharynx):** This is the lowermost part of the pharynx, extending from the hyoid bone to the lower border of the cricoid cartilage. It contains the pyriform fossae and post-cricoid region, but no primary lymphoid aggregates like adenoids. * **Oropharynx:** This region lies between the soft palate and the hyoid bone. While it contains the **palatine tonsils** and **lingual tonsils**, the adenoids are situated superior to this area. * **Trachea:** This is part of the lower respiratory tract, beginning below the larynx. It is a cartilaginous tube and does not contain pharyngeal lymphoid tissue. **High-Yield Clinical Pearls for NEET-PG:** * **Epithelium:** Unlike the palatine tonsils (stratified squamous), the adenoid is covered by **ciliated columnar respiratory epithelium**. * **Crypts:** Adenoids have no true crypts; instead, they feature vertical folds or furrows. * **Clinical Presentation:** Pathological enlargement (Adenoid Hypertrophy) leads to mouth breathing, "adenoid facies," and Eustachian tube blockage, resulting in **Otitis Media with Effusion (Glue Ear)**. * **Regression:** Adenoids are present at birth, show maximum physiological enlargement between 3–7 years of age, and usually atrophy by puberty.
Question 95: What is the recommended treatment for a peritonsillar abscess?
- A. Tonsillectomy
- B. Conservative management
- C. Drainage using Hilton's method
- D. Abscess drainage followed by interval tonsillectomy (Correct Answer)
Explanation: ### Explanation **Peritonsillar Abscess (Quinsy)** is a collection of pus between the tonsillar capsule and the superior constrictor muscle. **Why Option D is Correct:** The standard management of Quinsy involves immediate **Incision and Drainage (I&D)** or needle aspiration to relieve pressure and prevent complications like airway obstruction or parapharyngeal space spread. However, because Quinsy has a high recurrence rate (approx. 10-15%), an **Interval Tonsillectomy** is performed 4–6 weeks after the acute infection has subsided. This "interval" allows the inflammation to resolve, making the surgery safer and reducing the risk of intraoperative hemorrhage. **Analysis of Incorrect Options:** * **A. Tonsillectomy:** While "Quinsy Tonsillectomy" (hot tonsillectomy) can be done during the acute phase, it is not the standard recommendation due to the high risk of bleeding and systemic spread of infection. * **B. Conservative management:** Antibiotics alone are insufficient for a formed abscess; surgical drainage is mandatory. * **C. Drainage using Hilton's method:** This method is specifically used for **deep neck space abscesses** (like parapharyngeal or submandibular abscesses) to avoid injuring vital structures. Quinsy is drained via a mucosal incision at the point of maximum bulge. **Clinical Pearls for NEET-PG:** * **Site of Incision:** The most common site for drainage is at the intersection of a horizontal line through the base of the uvula and a vertical line through the anterior pillar. * **Clinical Sign:** **Trismus** (due to irritation of the medial pterygoid muscle) is a hallmark sign of Quinsy. * **Uvular Deviation:** The uvula is typically pushed to the **contralateral** (opposite) side. * **Organism:** Most common aerobic organism is *Streptococcus pyogenes*; however, it is often a mixed infection including anaerobes.
Question 96: What is styalgia also known as?
- A. Eagle syndrome (Correct Answer)
- B. Costen's syndrome
- C. Sluder syndrome
- D. Ramsay Hunt syndrome
Explanation: **Explanation:** **Eagle Syndrome (Styalgia)** is caused by an **elongated styloid process** (greater than 3 cm) or calcification of the **stylohyoid ligament**. This anatomical variation compresses the glossopharyngeal nerve or the carotid arteries, leading to a characteristic dull, nagging pain in the throat (styalgia). The pain is often triggered by swallowing or turning the head and may be felt as a foreign body sensation (globus) or referred otalgia. It is frequently seen in patients following a tonsillectomy, where scar tissue irritates the underlying elongated process. **Analysis of Incorrect Options:** * **Costen’s Syndrome:** Also known as Temporomandibular Joint (TMJ) dysfunction. It presents with jaw pain, clicking sounds, and earache due to malocclusion or joint derangement, not styloid pathology. * **Sluder Syndrome:** Also known as Sphenopalatine Ganglion Neuralgia. It involves lower facial pain, nasal congestion, and rhinorrhea, often confused with cluster headaches. * **Ramsay Hunt Syndrome:** Herpes Zoster Oticus. It is characterized by facial nerve palsy, a vesicular rash in the external auditory canal, and vestibulocochlear symptoms. **Clinical Pearls for NEET-PG:** * **Normal length of styloid process:** 2.5 – 3.0 cm. * **Diagnosis:** Palpation of the styloid process in the tonsillar fossa (reproduces pain) and confirmed by a 3D-CT scan or Orthopantomogram (OPG). * **Treatment:** Medical management with NSAIDs/carbamazepine; definitive treatment is **Styloidectomy** (trans-oral or external approach).
Question 97: Which of the following is true about enlarged adenoids?
- A. Mouth breathing
- B. Failure to thrive
- C. High arched palate
- D. All of the above (Correct Answer)
Explanation: **Explanation:** Enlarged adenoids (nasopharyngeal tonsil hypertrophy) lead to chronic upper airway obstruction, resulting in a characteristic clinical presentation known as **Adenoid Facies**. 1. **Mouth Breathing:** This is the most common symptom. As the adenoids obstruct the nasopharynx, the child is forced to breathe through the mouth. This leads to chronic dryness of the mouth and a "vacant" facial expression. 2. **High Arched Palate:** Chronic mouth breathing alters the balance of orofacial muscle pressure. Without the tongue resting against the palate to provide counter-pressure, the lateral pressure from the cheeks causes the hard palate to become narrow and highly arched. 3. **Failure to Thrive:** Children with significant adenoid hypertrophy often experience Obstructive Sleep Apnea (OSA) and feeding difficulties. The increased work of breathing, poor oxygenation during sleep, and decreased growth hormone secretion (which occurs during deep sleep) collectively lead to poor physical growth and failure to thrive. Since all three clinical features are classic manifestations of significant adenoid enlargement, **Option D** is the correct answer. **High-Yield Clinical Pearls for NEET-PG:** * **Adenoid Facies:** Characterized by an elongated face, open mouth, prominent upper incisors, hitched-up upper lip, and a high arched palate. * **Otological Complication:** Adenoid hypertrophy is the most common cause of **Otitis Media with Effusion (Glue Ear)** in children due to Eustachian tube blockage. * **Investigation of Choice:** X-ray soft tissue nasopharynx (lateral view) shows narrowing of the nasopharyngeal air space. * **Treatment:** Adenoidectomy is indicated if there is persistent nasal obstruction, recurrent otitis media, or sleep apnea.
Question 98: The palatine tonsil receives its arterial supply from all of the following except?
- A. Facial artery
- B. Ascending palatine artery
- C. Sphenopalatine artery (Correct Answer)
- D. Dorsal lingual artery
Explanation: The palatine tonsil is a highly vascular structure located in the tonsillar fossa. Its blood supply is derived primarily from branches of the **External Carotid Artery**. ### Why Sphenopalatine Artery is the Correct Answer The **Sphenopalatine artery** is the terminal branch of the maxillary artery. It enters the nasal cavity through the sphenopalatine foramen to supply the nasal septum and turbinates. It does **not** contribute to the blood supply of the palatine tonsil. ### Explanation of Other Options (The Arterial Supply) The tonsil is supplied by five main arteries: * **Facial Artery (Option A):** Provides the **Tonsillar artery**, which is the **main source** of blood supply to the tonsil. * **Ascending Palatine Artery (Option B):** A branch of the facial artery that supplies the lower pole. * **Dorsal Lingual Artery (Option D):** A branch of the lingual artery that supplies the lower pole. * **Ascending Pharyngeal Artery:** A direct branch of the external carotid artery supplying the upper pole. * **Lesser Palatine Artery:** A branch of the descending palatine artery (from the maxillary artery) supplying the upper pole. ### High-Yield Clinical Pearls for NEET-PG * **Main Source:** The tonsillar branch of the **Facial Artery** is the most significant contributor. * **Venous Drainage:** Occurs via the **Paratonsillar vein** (External palatine vein), which drains into the pharyngeal venous plexus. This vein is the most common cause of **primary hemorrhage** during tonsillectomy. * **Nerve Supply:** Primarily by the **Glossopharyngeal nerve (CN IX)** and lesser palatine nerves. This explains **referred otalgia** (ear pain) during tonsillitis, as CN IX also supplies the middle ear via Jacobson’s nerve.
Question 99: What is the term for swelling located in the tonsillar area, specifically between the tonsil and the superior constrictor muscle?
- A. Quinsy (Correct Answer)
- B. Dental abscess
- C. Parapharyngeal abscess
- D. Retropharyngeal abscess
Explanation: **Explanation:** The correct answer is **Quinsy**, also known as a **Peritonsillar Abscess**. **1. Why Quinsy is correct:** Quinsy is a collection of pus in the **peritonsillar space**, which is a potential space located between the **capsule of the palatine tonsil** (medially) and the **superior constrictor muscle** (laterally). It usually occurs as a complication of acute tonsillitis. The loose areolar tissue in this space allows for the accumulation of pus, typically starting at the upper pole. **2. Why other options are incorrect:** * **Dental abscess:** This originates from an infected tooth (often the lower molars) and involves the submandibular or sublingual spaces (e.g., Ludwig’s Angina), not the tonsillar fossa. * **Parapharyngeal abscess:** This involves the space lateral to the superior constrictor muscle. While a Quinsy can spread here, a primary parapharyngeal abscess presents with swelling behind the posterior pillar and external swelling at the angle of the jaw. * **Retropharyngeal abscess:** This occurs in the space between the posterior pharyngeal wall and the prevertebral fascia. It presents as a midline or paramedian bulge on the posterior pharyngeal wall, not the tonsillar area. **Clinical Pearls for NEET-PG:** * **Clinical Features:** Severe odynophagia, "Hot potato voice," trismus (due to irritation of the medial pterygoid muscle), and **deviation of the uvula** to the opposite side. * **Management:** Incision and drainage at the point of maximum bulge (usually above the supratonsillar fossa). * **Interval Tonsillectomy:** Performed 4–6 weeks after the abscess resolves to prevent recurrence.
Question 100: A 14-year-old patient presents with cheek swelling and mild proptosis. What is the most likely diagnosis?
- A. Nasopharyngeal angiofibroma (Correct Answer)
- B. Carcinoma
- C. Nasal polyp
- D. Foreign body
Explanation: ***Nasopharyngeal angiofibroma*** - **Juvenile nasopharyngeal angiofibroma (JNA)** classically affects **adolescent males** and commonly presents with **cheek swelling** due to extension into the **infratemporal fossa**. - The **mild proptosis** indicates **orbital extension** through the **pterygopalatine fossa**, which is characteristic of advanced JNA cases. *Carcinoma* - **Nasopharyngeal carcinoma** is extremely rare in **adolescents** and typically occurs in adults over 40 years. - Usually presents with **unilateral hearing loss**, **cranial nerve palsies**, and **cervical lymphadenopathy** rather than cheek swelling. *Nasal polyp* - **Nasal polyps** are **inflammatory masses** that remain confined to the **nasal cavity** and **paranasal sinuses**. - They do not cause **cheek swelling** or **proptosis** as they lack the invasive growth pattern seen in JNA. *Foreign body* - **Nasal foreign bodies** typically cause **unilateral nasal obstruction** and **purulent discharge** but remain localized to the nasal cavity. - They do not extend beyond the nasal cavity to cause **cheek swelling** or **orbital involvement** with proptosis.
Practice by Chapter
Pharyngitis
Practice Questions
Tonsillitis
Practice Questions
Peritonsillar Abscess
Practice Questions
Retropharyngeal Abscess
Practice Questions
Adenoid Hypertrophy
Practice Questions
Sleep-Disordered Breathing
Practice Questions
Obstructive Sleep Apnea
Practice Questions
Nasopharyngeal Carcinoma
Practice Questions
Oropharyngeal Carcinoma
Practice Questions
Hypopharyngeal Carcinoma
Practice Questions
Dysphagia
Practice Questions
Globus Pharyngeus
Practice Questions
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