Diseases of the Pharynx Practice Questions

Q: In a patient with hypertrophied adenoids, what voice abnormality is typically observed?

Rhinolalia clausa. ### Explanation **Correct Answer: A. Rhinolalia clausa** **Medical Concept:** Adenoids are a collection of lymphoid tissue located in the **nasopharynx**. When they become hypertrophied, they physically obstruct the posterior choanae (the back of the nasal cavity). In normal speech, nasal consonants like /m/, /n/, and /ng/ require air to pass through the nose. In adenoid hypertrophy, this nasal resonance is lost because the airway is blocked. This condition is known as **Hyponasality** or **Rhinolalia clausa** (closed nasality). The patient sounds as if they have a "stuffy nose," and "common" may sound like "cobbo." **Analysis of Incorrect Options:** * **B. Rhinolalia aperta:** Also known as hypernasality. This occurs when the nasopharynx fails to close during speech (e.g., **Cleft Palate** or Velopharyngeal insufficiency), allowing too much air to escape through the nose. * **C. Hot potato voice:** This is a thick, muffled voice characteristic of **Peritonsillar abscess (Quinsy)**. It occurs due to pain and edema causing restricted movement of the soft palate and pharyngeal muscles. * **D. Scatacto voice:** (Often a distractor for "Staccato voice"). A staccato or scanning speech is typically associated with **Cerebellar lesions** (e.g., Multiple Sclerosis), not anatomical obstructions in the throat. **High-Yield Clinical Pearls for NEET-PG:** * **Adenoid Facies:** Characterized by an open mouth, dull expression, elongated face, high arched palate, and crowded teeth due to chronic mouth breathing. * **Ear Complications:** Adenoid hypertrophy is the most common cause of **Otitis Media with Effusion (Glue Ear)** in children due to Eustachian tube obstruction. * **Investigation of Choice:** X-ray Nasopharynx (Lateral view) shows soft tissue mass narrowing the nasopharyngeal airway. * **Gold Standard Diagnosis:** Diagnostic Nasal Endoscopy (DNE).

Q: Trotter's triad consists of the following, except:

VII nerve palsy. **Explanation:** **Trotter’s Triad** is a clinical diagnostic cluster associated with advanced **Nasopharyngeal Carcinoma (NPC)**, specifically when the tumor invades the lateral pharyngeal wall (Sinus of Morgagni). **Why VII Nerve Palsy is the correct answer:** The Facial nerve (VII) is not part of Trotter’s Triad. The triad involves structures in the immediate vicinity of the nasopharynx and the skull base (foramen lacerum). While NPC can cause multiple cranial nerve palsies (most commonly VI), VII nerve involvement is rare and not a defining feature of this specific triad. **Analysis of the Triad Components (Incorrect Options):** 1. **Conduction Deafness (Option A):** Caused by the tumor obstructing the **Eustachian tube** orifice. This leads to negative middle ear pressure and subsequent serous otitis media (Otitis Media with Effusion). 2. **Trigeminal Neuralgia (Option B):** Specifically involving the **Mandibular division (V3)**. As the tumor infiltrates the skull base or the parapharyngeal space, it causes referred pain to the ear or jaw and anesthesia/paresthesia along the V3 distribution. 3. **Ipsilateral Soft Palate Immobility (Option D):** Occurs due to direct infiltration of the **Levator Veli Palatini** muscle or involvement of the pharyngeal plexus. This results in the "curtain sign" or asymmetrical palate elevation. **High-Yield Clinical Pearls for NEET-PG:** * **Most common site of NPC:** Fossa of Rosenmüller. * **Most common cranial nerve involved in NPC:** VI nerve (Abducens), leading to diplopia. * **EBV Association:** Nasopharyngeal carcinoma (Type II and III) is strongly linked to the Epstein-Barr Virus. * **Treatment of Choice:** Radiotherapy is the primary treatment for NPC, as it is highly radiosensitive. Surgery is generally reserved for salvage.

Q: What is the lymphatic drainage of the pyriform fossa?

Upper deep cervical nodes. **Explanation:** The **pyriform fossa** (or sinus) is a part of the hypopharynx (laryngopharynx). It is characterized by an extremely rich network of lymphatic vessels that pierce the thyrohyoid membrane. **1. Why the Correct Answer is Right:** The primary lymphatic drainage of the pyriform fossa follows the superior laryngeal vessels. These lymphatics drain directly into the **upper deep cervical nodes** (specifically Level II and Level III). Because of this dense lymphatic network, tumors of the pyriform fossa are notorious for early and frequent nodal metastasis, often presenting as a neck mass before the primary tumor causes symptoms. **2. Why Incorrect Options are Wrong:** * **Prelaryngeal nodes (Delphian nodes):** These primarily drain the subglottis and the thyroid isthmus. They are involved in the spread of laryngeal and thyroid cancers, not the hypopharynx. * **Parapharyngeal nodes:** These are involved in the drainage of the nasopharynx and oropharynx (e.g., tonsils), but are not the primary site for hypopharyngeal drainage. * **Mediastinal nodes:** These represent a late stage of spread (Level VII) or are associated with the drainage of the cervical esophagus and trachea. **3. High-Yield Clinical Pearls for NEET-PG:** * **"The Silent Area":** The pyriform fossa is often called a "silent area" because tumors here can grow to a large size without causing dysphagia or hoarseness. * **Referred Otalgia:** Malignancy in the pyriform fossa often presents with ear pain, mediated by the **internal laryngeal nerve** (branch of CN X), which provides sensory innervation to the fossa. * **Incidence of Metastasis:** Approximately 70-80% of patients with pyriform sinus carcinoma have palpable cervical lymphadenopathy at the time of diagnosis.

Q: For which of the following conditions is an endoscopic stapling procedure ideally indicated?

Pharyngeal pouch. **Explanation:** **Pharyngeal pouch (Zenker’s Diverticulum)** is the correct answer. This condition is a pulsion diverticulum occurring through **Killian’s dehiscence**, a weak area between the thyropharyngeus and cricopharyngeus muscles. The definitive treatment involves dividing the "party wall" (the common wall between the esophagus and the pouch) which contains the hyperactive cricopharyngeus muscle. **Endoscopic stapling (Dohlman’s procedure)** is the modern preferred approach as it is minimally invasive, allows for early oral feeding, and has a shorter recovery time compared to open diverticulectomy. **Why other options are incorrect:** * **Gastric ulcer:** These are typically managed medically (PPIs, H. pylori eradication) or via endoscopic thermal/mechanical clips for bleeding; stapling is not a standard primary intervention. * **Esophageal varices:** The gold standard for management is **Endoscopic Variceal Ligation (EVL)** using rubber bands or sclerotherapy, not stapling. * **Perforation:** Acute esophageal or gastric perforations are surgical emergencies usually requiring primary repair (suturing) or stenting, rather than endoscopic stapling. **High-Yield Clinical Pearls for NEET-PG:** * **Triad of Zenker’s:** Dysphagia, regurgitation of undigested food, and halitosis (foul breath). * **Boyce’s Sign:** Gurgling sound produced on pressing the swelling in the neck. * **Investigation of Choice:** Barium swallow (shows the pouch behind the esophagus). * **Rigid Esophagoscopy Warning:** Great care must be taken as the scope often enters the pouch instead of the esophagus, posing a high risk of perforation.

Q: All of the following are features of chronic tonsillitis except?

Congestion of posterior pillar. To diagnose **Chronic Tonsillitis**, clinicians rely on specific physical findings during examination. The correct answer is **C (Congestion of posterior pillar)** because it is not a classic diagnostic feature of this condition. ### **Explanation of Options** * **Congestion of anterior pillar (Irwin Moore’s Sign):** This is a hallmark sign of chronic tonsillitis. Chronic infection leads to persistent hyperemia of the anterior pillars due to the proximity of the lymphoid tissue and lymphatic drainage. * **Pus in crypts:** During examination, applying pressure on the anterior pillar may express cheesy, foul-smelling material or frank pus from the tonsillar crypts (specifically the *crypta magna*). This is known as the **squeeze test**. * **Enlargement of jugulodigastric lymph nodes:** The jugulodigastric (tonsillar) node is the primary lymph node draining the tonsils. In chronic tonsillitis, these nodes are often persistently enlarged, firm, and non-tender. * **Congestion of posterior pillar:** While the posterior pillar may occasionally be involved in generalized pharyngitis, isolated congestion of the posterior pillar is not a diagnostic criterion for chronic tonsillitis. ### **Clinical Pearls for NEET-PG** 1. **Irwin Moore’s Sign:** Specifically refers to the flushing/redness of the anterior pillar; it is a high-yield named sign for chronic tonsillitis. 2. **Types of Chronic Tonsillitis:** * *Chronic Parenchymatous:* General hyperplasia (common in children). * *Chronic Fibrotic:* Small, shrunken tonsils (common in adults). * *Chronic Follicular:* Crypts are full of infected material. 3. **Complications:** The most common complication of recurrent acute-on-chronic tonsillitis is a **Peritonsillar Abscess (Quinsy)**, which typically displaces the uvula to the opposite side.

Q: What condition presents with a medial bulging of the pharynx?

Pharyngomaxillary abscess. **Explanation:** The **Pharyngomaxillary (Parapharyngeal) space** is a cone-shaped space located lateral to the pharynx. It is divided into anterior and posterior compartments by the styloid process. When an abscess forms here, the pressure from the lateral side pushes the lateral pharyngeal wall and the tonsil toward the midline, resulting in a characteristic **medial bulging of the pharynx**. **Analysis of Options:** * **Pharyngomaxillary abscess (Correct):** Clinical features include trismus (due to irritation of the medial pterygoid muscle), odynophagia, and a diffuse swelling behind the angle of the mandible, alongside the pathognomonic medial displacement of the lateral pharyngeal wall. * **Retropharyngeal abscess:** This presents as a **midline or paramedian bulge in the posterior pharyngeal wall**, not a medial bulge from the side. It is often associated with respiratory distress and neck stiffness (torticollis). * **Peritonsillar abscess (Quinsy):** This involves a collection of pus between the tonsillar capsule and the superior constrictor muscle. It presents with a bulge of the **soft palate and anterior pillar**, displacing the **uvula** to the opposite side, rather than a generalized medial bulge of the pharyngeal wall. * **Paratonsillar abscess:** This is a synonym for peritonsillar abscess and follows the same clinical presentation. **High-Yield Clinical Pearls for NEET-PG:** * **Trismus** is a hallmark of the **anterior compartment** involvement of the parapharyngeal space. * **Posterior compartment** involvement does not cause trismus but can lead to **paralysis of Cranial Nerves IX, X, XI, and XII** and Horner’s syndrome. * The most common cause of a pharyngomaxillary abscess in adults is **odontogenic infection**, whereas in children, it is usually **tonsillitis**. * **Investigation of choice:** Contrast-Enhanced CT (CECT) of the neck.

Q: Paterson-Kelly syndrome is characterized by all of the following except?

Lower esophageal web. **Explanation:** Paterson-Kelly syndrome (also known as **Plummer-Vinson syndrome**) is a clinical triad characterized by iron deficiency anemia, glossitis, and esophageal webs. **Why Option B is the correct answer:** The characteristic esophageal web in Paterson-Kelly syndrome is located in the **post-cricoid region (upper esophagus)**, not the lower esophagus. Lower esophageal webs (Schatzki rings) are distinct clinical entities often associated with hiatal hernia and reflux, rather than iron deficiency. **Analysis of other options:** * **Option A (Premalignant potential):** It is considered a premalignant condition. Long-standing mucosal atrophy increases the risk of developing **post-cricoid carcinoma** (Squamous Cell Carcinoma). * **Option C (Iron deficiency anemia):** This is a hallmark feature. The anemia leads to mucosal atrophy, which is thought to contribute to web formation. Patients often present with spoon-shaped nails (koilonychia). * **Option D (Common in females):** The syndrome shows a strong female predilection, typically affecting middle-aged women (4th to 7th decades). **High-Yield Clinical Pearls for NEET-PG:** * **Triad:** Iron deficiency anemia + Dysphagia + Upper esophageal web. * **Site of Web:** Post-cricoid region (Cricopharyngeal level). * **Diagnosis:** Best visualized via **Barium Swallow** (lateral view), appearing as a thin, horizontal filling defect. * **Treatment:** Iron supplementation often improves symptoms; persistent webs may require endoscopic dilatation. * **Associated Findings:** Glossitis (smooth tongue), angular cheilitis, and achlorhydria.

Q: A 70-year-old male presents with hearing loss and tinnitus. On examination, he has a conductive type of deafness and a dull tympanic membrane on the right side. Lymph nodal enlargement of 3x3 cm was noted in the posterior triangle of the neck. Tympanogram revealed a type B wave. What is the most likely diagnosis?

Nasopharyngeal malignancy. ### Explanation The clinical presentation of a **70-year-old male** with unilateral conductive hearing loss, a dull tympanic membrane, and a Type B tympanogram indicates **Otitis Media with Effusion (OME)**. In an elderly patient, unilateral OME is **Nasopharyngeal Carcinoma (NPC)** until proven otherwise. **Why Nasopharyngeal Malignancy is correct:** NPC typically originates in the **Fossa of Rosenmüller**. As the tumor grows, it obstructs the opening of the **Eustachian tube**, leading to negative middle ear pressure and subsequent fluid accumulation (serous otitis media). This results in conductive hearing loss and a **Type B (flat) tympanogram**. The presence of a 3x3 cm mass in the **posterior triangle (Level V lymph nodes)** is a classic sign, as NPC frequently presents with early lymphatic spread. **Why other options are incorrect:** * **Middle ear tumor:** While it can cause conductive loss, it rarely presents with isolated posterior triangle lymphadenopathy. * **Acoustic neuroma:** This is a tumor of the 8th cranial nerve presenting with **sensory-neural hearing loss (SNHL)** and a Type A tympanogram. * **Tuberculosis of middle ear:** Usually presents with painless otorrhoea, multiple perforations of the tympanic membrane, and pale granulations, rather than a dull, intact membrane with a Type B curve. **NEET-PG High-Yield Pearls:** * **Trotter’s Triad (for NPC):** 1. Conductive hearing loss (Eustachian tube blockage), 2. Ipsilateral facial pain/numbness (CN V involvement), 3. Palatal paralysis (CN X involvement). * **Most common site:** Fossa of Rosenmüller. * **Risk Factor:** Strong association with **Epstein-Barr Virus (EBV)**. * **Rule of Thumb:** Any adult with unilateral serous otitis media must undergo fiberoptic nasopharyngoscopy to rule out malignancy.

Question 1

Two months after tonsillectomy, a patient presents with referred pain to the ear. What is the most likely cause?

Accepted Answer

Injury to the glossopharyngeal (9th cranial) nerve

Answer

Temporomandibular joint dislocation

Answer

Injury to the vagus nerve

Answer

Infection of the tonsillar bed

Question 2

What is true about quinsy?

Accepted Answer

Commonly occurs bilaterally.

Answer

Penicillin is used in treatment.

Answer

Abscess is located in the capsule.

Answer

Immediate tonsillectomy should be done.

Question 3

In a patient with hypertrophied adenoids, what voice abnormality is typically observed?

Accepted Answer

Rhinolalia clausa

Answer

Rhinolalia aperta

Answer

Hot potato voice

Answer

Scatacto voice

Question 4

Trotter's triad consists of the following, except:

Accepted Answer

VII nerve palsy

Answer

Conduction deafness

Answer

Trigeminal neuralgia

Answer

Ipsilateral soft palate immobility

Question 5

What is the lymphatic drainage of the pyriform fossa?

Accepted Answer

Upper deep cervical nodes

Answer

Prelaryngeal nodes

Answer

Parapharyngeal nodes

Answer

Mediastinal nodes

Question 6

For which of the following conditions is an endoscopic stapling procedure ideally indicated?

Accepted Answer

Pharyngeal pouch

Answer

Gastric ulcer

Answer

Esophageal varices

Answer

Perforation

Question 7

All of the following are features of chronic tonsillitis except?

Accepted Answer

Congestion of posterior pillar

Answer

Pus in crypts

Answer

Congestion of anterior pillar

Answer

Enlargement of jugulodigastric lymph nodes

Question 8

What condition presents with a medial bulging of the pharynx?

Accepted Answer

Pharyngomaxillary abscess

Answer

Retropharyngeal abscess

Answer

Peritonsillar abscess

Answer

Paratonsillar abscess

Question 9

Paterson-Kelly syndrome is characterized by all of the following except?

Accepted Answer

Lower esophageal web

Answer

Premalignant potential

Answer

Iron deficiency anemia

Answer

Common in females

Question 10

A 70-year-old male presents with hearing loss and tinnitus. On examination, he has a conductive type of deafness and a dull tympanic membrane on the right side. Lymph nodal enlargement of 3x3 cm was noted in the posterior triangle of the neck. Tympanogram revealed a type B wave. What is the most likely diagnosis?

Accepted Answer

Nasopharyngeal malignancy

Answer

Middle ear tumor

Answer

Acoustic neuroma

Answer

Tuberculosis of middle ear

Diseases of the Pharynx — MCQs

Diseases of the Pharynx — MCQs

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