Diseases of the Pharynx Practice Questions

Q: Tonsillectomy is being performed in the given patient. What position is being used?

Rose's position. ***Rose's position*** - **Supine position** with **neck hyperextended** and head tilted back, providing optimal **surgical access** to the oropharynx and tonsillar fossa. - Facilitates **drainage of blood and secretions** away from the airway, reducing risk of **aspiration** during tonsillectomy. *Trendelenburg position* - **Head-down tilt** with legs elevated above the heart level, primarily used for **pelvic** and **lower abdominal surgeries**. - Would cause **blood pooling** in the head and neck area, impairing visualization and increasing **aspiration risk** during throat procedures. *Barking dog position* - **Prone position** with neck flexed and chin tucked, resembling a dog's posture, not suitable for **oral cavity access**. - This position would **obstruct the surgical field** and make **airway management** extremely difficult during tonsillectomy. *Boyce position* - **Lateral decubitus** position with the patient lying on their side, commonly used for **kidney** and **thoracic surgeries**. - Does not provide adequate **visualization** of the tonsillar area and would make **bilateral access** to both tonsils challenging.

Q: A 58-year-old male presents with persistent fullness of the left ear for 3 months and hearing loss. On examination, there is fluid behind the tympanic membrane. Impedance audiometry shows a type B audiogram. What is the next step in the management of this patient?

Endoscopic examination for nasopharyngeal pathology. **Explanation:** The clinical presentation describes **Unilateral Serous Otitis Media (SOM)** in an adult. The persistent fullness, fluid behind the tympanic membrane, and Type B (flat) tympanogram are classic indicators of Eustachian tube dysfunction leading to middle ear effusion. **1. Why Option B is correct:** In an adult, especially a male over 40, **unilateral** serous otitis media is considered **Nasopharyngeal Carcinoma (NPC) until proven otherwise**. The tumor can originate in the Fossa of Rosenmüller, obstructing the pharyngeal opening of the Eustachian tube. Therefore, the mandatory next step is a diagnostic nasal endoscopy (DNE) or fiberoptic nasopharyngoscopy to rule out a space-occupying lesion in the nasopharynx. **2. Why other options are incorrect:** * **Option A (Myringotomy):** While this treats the symptom (fluid), it is premature. One must diagnose the *cause* of the effusion before surgical intervention. * **Option C (Valsalva):** This may temporarily equalize pressure but is ineffective for chronic effusion and delays the diagnosis of a potential malignancy. * **Option D (Antihistamines):** These are used for Eustachian tube dysfunction related to allergies or URIs. In a 58-year-old with persistent unilateral symptoms, medical management without investigation is a clinical error. **High-Yield Clinical Pearls for NEET-PG:** * **Trotter’s Triad (for NPC):** 1. Conductive hearing loss (due to SOM), 2. Ipsilateral facial pain/numbness (CN V involvement), 3. Palatal paralysis (CN X involvement). * **Type B Tympanogram:** Indicates fluid (effusion), perforation, or patent grommet. * **Rule of Thumb:** Any adult with new-onset unilateral middle ear effusion must have their nasopharynx examined.

Q: A 15-year-old male presents with hemorrhage 5 hours after tonsillectomy. What is the best treatment for this patient?

Re-explore immediately. ### **Explanation** This patient is presenting with **Reactionary Hemorrhage**, a critical complication of tonsillectomy occurring within the first 24 hours (most commonly within 4–6 hours) post-surgery. **1. Why "Re-explore immediately" is correct:** Reactionary hemorrhage is usually caused by the slipping of a ligature or the opening of a vessel that was constricted by adrenaline during surgery. In a 15-year-old, the primary concern is the risk of aspiration and hypovolemic shock. The standard management protocol involves: * Moving the patient back to the **Operating Theater (OT)**. * Inducing anesthesia (with a cuffed endotracheal tube to protect the airway). * Removing the clot to identify the bleeding point and achieving hemostasis via ligation or diathermy. **2. Why other options are incorrect:** * **External gauze packing:** This is ineffective as the bleeding is internal (within the tonsillar fossa). It does not provide the necessary pressure to stop arterial bleeding. * **Antibiotics and mouth wash:** These are used to manage **Secondary Hemorrhage** (occurring 5–10 days post-op due to infection), not acute reactionary bleeding. * **Irrigation with cold saline:** While mild cold compresses or ice chips may be used for very minor oozing, they are insufficient for active hemorrhage requiring medical intervention. **3. Clinical Pearls for NEET-PG:** * **Primary Hemorrhage:** Occurs during surgery (managed by ligation/diathermy). * **Reactionary Hemorrhage (2–24 hours):** Due to slipping of ligatures or rise in BP post-anesthesia. **Management:** Re-exploration. * **Secondary Hemorrhage (5–10 days):** Due to infection of the surgical bed. **Management:** Conservative (Antibiotics); if severe, ligation may be needed. * **High-Yield Fact:** The most common vessel involved in tonsillectomy bleeding is the **Paratonsillar vein**. The main artery of the tonsil is the **Tonsillar branch of the Facial artery**.

Q: All of the following are features of Paterson-Brown-Kelly syndrome, except?

Megaloblastic anemia. **Explanation:** Paterson-Brown-Kelly syndrome (also known as **Plummer-Vinson syndrome**) is characterized by a classic triad of **Iron Deficiency Anemia (IDA)**, dysphagia, and esophageal webs. **Why Option B is the correct answer:** The syndrome is specifically associated with **microcytic hypochromic anemia** (Iron Deficiency Anemia), not megaloblastic anemia. Megaloblastic anemia is caused by Vitamin B12 or Folate deficiency and is not a component of this syndrome. The iron deficiency leads to mucosal atrophy and subsequent web formation. **Analysis of incorrect options:** * **Option A (Esophageal mucosal webs):** These are thin, eccentric, mucosal projections usually found in the **post-cricoid region**. They are a hallmark feature and the primary cause of dysphagia in these patients. * **Option C & D (Glossitis and Cheilosis):** These are common epithelial manifestations of chronic iron deficiency. Patients typically present with a smooth, red, "beefy" tongue (glossitis) and cracks at the corners of the mouth (angular cheilosis). Other features include koilonychia (spoon-shaped nails) and achlorhydria. **Clinical Pearls for NEET-PG:** 1. **Demographics:** Most commonly seen in middle-aged females. 2. **Pre-malignant potential:** It is considered a pre-malignant condition. It significantly increases the risk of **Post-cricoid Squamous Cell Carcinoma**. 3. **Diagnosis:** The investigation of choice to visualize the web is a **Barium Swallow** (lateral view), though video-fluoroscopy or endoscopy can also be used. 4. **Treatment:** Management includes iron supplementation and endoscopic dilatation of the webs if symptoms persist.

Q: Retropharyngeal space infection is mainly due to spread of which of the following?

Odontogenic infections. **Explanation:** The **Retropharyngeal space** is a potential space located between the buccopharyngeal fascia (anteriorly) and the prevertebral fascia (posteriorly). It extends from the base of the skull to the superior mediastinum. **Why Odontogenic Infections are the correct answer:** In adults, the most common cause of retropharyngeal space infection is the **direct spread of infection** from the oral cavity, specifically **odontogenic infections** (dental abscesses) or trauma (e.g., fishbone injury, iatrogenic instrumentation). While children often develop retropharyngeal abscesses due to the suppuration of **Gillette’s nodes** (which atrophy after age 5), adults lack these nodes, making dental and traumatic origins the primary etiologies. **Analysis of Incorrect Options:** * **Cervical Tuberculosis:** This typically involves the **prevertebral space** (behind the prevertebral fascia), leading to a "cold abscess." While it can bulge into the pharynx, it is anatomically distinct from the retropharyngeal space. * **Meningoencephalitis:** This is an infection of the brain and meninges. There is no direct anatomical pathway for this to spread to the retropharyngeal space. * **Mumps:** This is a viral infection of the parotid glands. While it causes swelling in the parapharyngeal area, it does not typically lead to a retropharyngeal space infection. **High-Yield Clinical Pearls for NEET-PG:** * **Danger Space:** Located behind the retropharyngeal space (between the alar and prevertebral fascia). It is a direct conduit for infection to spread to the **posterior mediastinum**. * **Radiology:** On a lateral X-ray of the neck, the prevertebral soft tissue shadow at C2 should be **<7mm** and at C6 should be **<14mm (in children)** or **<22mm (in adults)**. * **Complication:** The most feared complication of a retropharyngeal abscess is **mediastinitis** or airway obstruction.

Q: Thornwaldt's cyst is seen in:

Nasopharynx. **Explanation:** **Thornwaldt’s cyst** (also known as a nasopharyngeal bursa) is a benign, developmental midline cyst located in the **nasopharynx**. It arises due to a persistent communication between the embryonic notochord and the pharyngeal endoderm. When the opening of this potential space becomes obstructed (often due to inflammation or trauma), fluid accumulates, forming a cyst. It is typically found in the midline of the posterior nasopharyngeal wall, just above the superior constrictor muscle and deep to the adenoids. **Analysis of Options:** * **Nasopharynx (Correct):** This is the anatomical site where the notochord remnants interface with the pharyngeal mucosa. * **Larynx:** Cysts here are usually saccular cysts or vallecular cysts, unrelated to the notochord. * **Base of tongue:** Common midline pathologies here include Lingual Thyroid or Thyroglossal duct cysts. * **Floor of mouth:** This is the classic site for a Ranula (mucocele) or a Dermoid cyst. **Clinical Pearls for NEET-PG:** * **Asymptomatic:** Most Thornwaldt’s cysts are incidental findings on MRI or endoscopy. * **Symptoms:** If infected or large, it can cause halitosis (due to drainage of foul-smelling fluid), post-nasal drip, or eustachian tube dysfunction. * **Imaging:** On MRI, it appears as a well-circumscribed, high-signal intensity lesion on T2-weighted images in the midline of the nasopharynx. * **Treatment:** No treatment is required if asymptomatic. If symptomatic, marsupialization or endoscopic excision is the preferred approach.

Q: Which condition is characterized by a lump in the throat that does not interfere with swallowing?

Globus hystericus. **Explanation:** **Globus hystericus** (now more commonly termed *Globus pharyngeus*) is a clinical condition characterized by a persistent or intermittent sensation of a "lump" or foreign body in the throat. The hallmark of this condition is that it **does not interfere with swallowing**; in fact, the sensation often improves during the ingestion of food or liquids. It is frequently associated with gastroesophageal reflux disease (GERD), upper esophageal sphincter spasms, or psychological stress. **Analysis of Incorrect Options:** * **Cervical spondylosis:** While osteophytes can occasionally cause a sensation of pressure, they typically do not present as a classic "lump" and are more associated with neck pain or stiffness. * **Pharyngeal diverticula (e.g., Zenker’s):** These cause true **dysphagia** (difficulty swallowing), regurgitation of undigested food, and halitosis. * **Carcinoma esophagus:** This presents with **progressive dysphagia** (initially for solids, then liquids) and weight loss. Any "lump" sensation that interferes with swallowing must be investigated to rule out malignancy. **High-Yield Clinical Pearls for NEET-PG:** * **Diagnosis of Exclusion:** Globus is a diagnosis made only after a thorough ENT examination (including flexible laryngoscopy) rules out organic lesions. * **Key Differentiator:** If the patient reports difficulty swallowing (dysphagia) or pain on swallowing (odynophagia), it is **not** globus. * **Association:** Up to 80% of cases are linked to **Laryngopharyngeal Reflux (LPR)**. Proton Pump Inhibitors (PPIs) are often the first line of management. * **Psychological Aspect:** While historically linked to "hysteria," it is now recognized as a physical sensation often exacerbated by anxiety.

Q: A 10-year-old boy presents with nasal obstruction and intermittent profuse epistaxis. He has a firm pinkish mass in the nasopharynx. Which of the following investigations is NOT indicated in this case?

Biopsy. **Explanation:** The clinical presentation of a young male (10 years old) with nasal obstruction, profuse epistaxis, and a firm pinkish mass in the nasopharynx is classic for **Juvenile Nasopharyngeal Angiofibroma (JNA)**. **Why Biopsy is NOT indicated (Correct Option):** JNA is a highly vascular, non-encapsulated tumor. Performing a biopsy is **strictly contraindicated** because it can trigger torrential, life-threatening hemorrhage that is difficult to control in an outpatient or office setting. Diagnosis is primarily clinical and radiological. **Why other options are indicated:** * **CECT Scan (Option C):** This is the initial investigation of choice. It shows the extent of the tumor and the characteristic **Holman-Miller sign** (anterior bowing of the posterior wall of the maxillary sinus). * **MRI (Option A):** Superior for evaluating soft tissue extension, especially into the orbit, cavernous sinus, or intracranial fossa. * **Carotid Angiography (Option B):** Essential for mapping the blood supply (most commonly the **Internal Maxillary Artery**) and is typically performed 24–48 hours before surgery for **pre-operative embolization** to reduce intraoperative blood loss. **Clinical Pearls for NEET-PG:** * **Demographics:** Occurs almost exclusively in adolescent males (testosterone-dependent). * **Site of Origin:** Sphenopalatine foramen. * **Pathology:** Composed of thin-walled blood vessels lacking a muscular coat (hence the profuse bleeding). * **Treatment of Choice:** Surgical excision (Endoscopic or Open approaches like Weber-Fergusson).

Q: All of the following are indications or consequences of tonsillectomy except?

Transection of vagus nerve. **Explanation:** The correct answer is **D. Transection of vagus nerve**. **1. Why the Vagus Nerve is Incorrect:** The vagus nerve (CN X) lies within the carotid sheath, which is situated deep to the superior constrictor muscle in the parapharyngeal space. During a routine tonsillectomy, the dissection occurs in the peritonsillar space (between the tonsillar capsule and the superior constrictor). Because the muscle acts as a protective barrier, the vagus nerve is not at risk of transection during the procedure. **2. Analysis of Other Options:** * **Transection of Glossopharyngeal nerve (A):** The glossopharyngeal nerve (CN IX) lies in the tonsillar bed, just lateral to the superior constrictor muscle. It is the most commonly injured nerve during tonsillectomy (via deep sutures or excessive cautery), leading to loss of taste and sensation in the posterior 1/3rd of the tongue. * **Eagle’s Syndrome (B):** This condition involves an elongated styloid process or calcified stylohyoid ligament causing throat pain. Tonsillectomy is a recognized surgical treatment to access and transsect the styloid process (trans-oral approach). * **Treatment of Sleep Apnea (C):** Adenotonsillar hypertrophy is the most common cause of Obstructive Sleep Apnea (OSA) in children. Tonsillectomy (often with adenoidectomy) is the first-line surgical indication for pediatric OSA. **High-Yield Clinical Pearls for NEET-PG:** * **Most common nerve injured:** Glossopharyngeal nerve (CN IX). * **Most common vessel injured:** External palatine vein (Paratonsillar vein). * **Most common artery involved in primary hemorrhage:** Facial artery (specifically the tonsillar branch). * **Lethal Hemorrhage:** Injury to the Internal Carotid Artery (rare, occurs if the artery is tortuous/aberrant). * **Referred Earache:** Post-tonsillectomy pain is referred to the ear via the glossopharyngeal nerve (Jacobson’s nerve).

Q: A chronic smoker with a history of hoarseness of voice is found to have fixation of the vocal cords on examination. What is the most likely treatment required?

Subtotal laryngectomy. **Explanation:** The clinical presentation of a chronic smoker with hoarseness and **fixation of the vocal cords** strongly suggests a diagnosis of **Stage T3 Laryngeal Carcinoma**. In laryngeal cancer, vocal cord fixation occurs due to the invasion of the thyroarytenoid muscle, involvement of the cricoarytenoid joint, or extension into the paraglottic space. **Why Subtotal Laryngectomy is correct:** For T3 lesions (where the cord is fixed), the standard of care involves aggressive management. **Subtotal laryngectomy** (or near-total laryngectomy) is indicated to ensure adequate oncological margins while attempting to preserve some laryngeal function (phonation/deglutition) without a permanent tracheostomy in selected cases. In many clinical scenarios of T3/T4 disease, Total Laryngectomy or Chemoradiotherapy are also considered, but among the given choices, subtotal laryngectomy is the most appropriate surgical intervention for a fixed cord. **Why other options are incorrect:** * **LASER excision & Stripping of the vocal cord:** These are reserved for T1 (early) lesions or benign conditions like Reinke’s edema/vocal nodules. They are insufficient for invasive T3 tumors with cord fixation. * **Radiotherapy:** While used for T1/T2 lesions with excellent results, radiotherapy alone has lower control rates for T3 lesions with cord fixation compared to surgical intervention or concurrent chemoradiotherapy. **Clinical Pearls for NEET-PG:** * **T1:** Mobile cord, limited to one/both sub-sites. * **T2:** Supraglottic/Subglottic extension with **impaired** mobility (but not fixed). * **T3:** Tumor limited to the larynx with **vocal cord fixation**. * **T4:** Invasion through thyroid cartilage or into extrinsic tissues (trachea, tongue, neck). * **High-Yield:** The most common site of laryngeal cancer is the **Glottis**, but the **Supraglottis** has a higher rate of lymphatic metastasis.

Question 1

Tonsillectomy is being performed in the given patient. What position is being used?

Accepted Answer

Rose's position

Answer

Trendelenburg position

Answer

Barking dog position

Answer

Boyce position

Question 2

A 58-year-old male presents with persistent fullness of the left ear for 3 months and hearing loss. On examination, there is fluid behind the tympanic membrane. Impedance audiometry shows a type B audiogram. What is the next step in the management of this patient?

Accepted Answer

Endoscopic examination for nasopharyngeal pathology

Answer

Myringotomy with grommet insertion

Answer

Valsalva maneuver

Answer

Antihistamines

Question 3

A 15-year-old male presents with hemorrhage 5 hours after tonsillectomy. What is the best treatment for this patient?

Accepted Answer

Re-explore immediately

Answer

External gauze packing

Answer

Antibiotics and mouth wash

Answer

Irrigation with cold saline

Question 4

All of the following are features of Paterson-Brown-Kelly syndrome, except?

Accepted Answer

Megaloblastic anemia

Answer

Esophageal mucosal webs

Answer

Glossitis

Answer

Cheilosis

Question 5

Retropharyngeal space infection is mainly due to spread of which of the following?

Accepted Answer

Odontogenic infections

Answer

Cervical tuberculosis

Answer

Meningoencephalitis

Answer

Mumps

Question 6

Thornwaldt's cyst is seen in:

Accepted Answer

Nasopharynx

Answer

Larynx

Answer

Base of tongue

Answer

Floor of mouth

Question 7

Which condition is characterized by a lump in the throat that does not interfere with swallowing?

Accepted Answer

Globus hystericus

Answer

Cervical spondylosis

Answer

Pharyngeal diverticula

Answer

Carcinoma esophagus

Question 8

A 10-year-old boy presents with nasal obstruction and intermittent profuse epistaxis. He has a firm pinkish mass in the nasopharynx. Which of the following investigations is NOT indicated in this case?

Accepted Answer

Biopsy

Answer

MRI

Answer

Carotid angiography

Answer

CECT scan

Question 9

All of the following are indications or consequences of tonsillectomy except?

Accepted Answer

Transection of vagus nerve

Answer

Transection of Glossopharyngeal nerve

Answer

Eagle's syndrome

Answer

Treatment of sleep apnea

Question 10

A chronic smoker with a history of hoarseness of voice is found to have fixation of the vocal cords on examination. What is the most likely treatment required?

Accepted Answer

Subtotal laryngectomy

Answer

LASER excision

Answer

Stripping of the vocal cord

Answer

Radiotherapy

Diseases of the Pharynx — MCQs

Diseases of the Pharynx — MCQs

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