Diseases of the Pharynx Practice Questions

Q: What is the investigation of choice for nasopharyngeal angiofibroma?

Contrast-enhanced CT. ***Contrast-enhanced CT*** - A **contrast-enhanced CT** scan is the investigation of choice for **nasopharyngeal angiofibroma** due to its ability to clearly delineate the extent of the tumor, its vascularity, and its bony involvement. - The contrast highlights the **highly vascular nature** of the angiofibroma, which is crucial for surgical planning and embolization. *X-ray* - **X-rays** provide limited detail of soft tissue structures and mass lesions in the complex anatomy of the nasopharynx. - They are generally not sensitive enough to characterize a tumor like **angiofibroma** or determine its exact extent. *Plain CT* - A **plain CT** (non-contrast CT) can show soft tissue masses and bony erosion but lacks the ability to assess the **vascularity** of the tumor. - Without contrast, it's difficult to differentiate the tumor from surrounding tissues or identify its blood supply, which is critical for **angiofibroma** management. *MRI* - While **MRI** offers excellent soft tissue contrast and is valuable for assessing intracranial extension or perineural spread, **contrast-enhanced CT** is generally preferred as the primary imaging modality for angiofibroma. - **CT with contrast** is superior for demonstrating **bony erosion** and the characteristic **vascularity** of this tumor.

Q: What condition is associated with Lemierre's syndrome?

Thrombophlebitis of IJV. ***Thrombophlebitis of IJV*** - **Lemierre's syndrome** is classically defined as **septic thrombophlebitis of the internal jugular vein (IJV)** following an oropharyngeal infection [1]. - The infection, most commonly caused by *Fusobacterium necrophorum*, spreads from the pharynx to the parapharyngeal space, leading to IJV inflammation and thrombosis [1]. *Carotid sinus aneurysm* - A **carotid sinus aneurysm** is an abnormal focal dilation of the carotid sinus, often associated with atherosclerosis or connective tissue disorders. - It is not directly linked to the pathogenesis or complications of **Lemierre's syndrome**. *Traumatic occlusion of IJV* - **Traumatic occlusion of the IJV** results from direct injury to the neck, leading to vessel compression or damage. - While it affects the IJV, it does not involve the septic thrombophlebitis or preceding oropharyngeal infection characteristic of **Lemierre's syndrome**. *Any of the above* - This option is incorrect because **Lemierre's syndrome** is specifically associated with **septic thrombophlebitis of the IJV**, not with other unrelated vascular conditions affecting the neck.

Q: Which objective test is most effective for examining adenoids?

Posterior rhinoscopy. ***Posterior rhinoscopy*** - This method allows for **direct visualization of the nasopharynx** where the adenoids are located, using a post-nasal mirror or flexible endoscope. - It provides an **objective assessment** of adenoid size, extent, and any associated obstruction by direct observation. - Among the clinical examination methods listed, this is the most effective for **visualizing adenoid tissue** and assessing hypertrophy. - In modern practice, flexible nasopharyngoscopy has largely replaced mirror examination, but posterior rhinoscopy remains the principle of direct nasopharyngeal visualization. *Anterior rhinoscopy* - This technique examines the **anterior nasal cavity**, nasal septum, and inferior turbinates. - It **cannot visualize the nasopharynx** where adenoids are located due to anatomical limitations. - Useful for anterior nasal pathology but inadequate for adenoid assessment. *Manual palpation* - This is a **subjective, not objective** method that relies on examiner's tactile sensation. - Highly uncomfortable for children, causing gagging and distress. - Carries risks of trauma, bleeding, and infection. - Does not provide measurable or reproducible data, hence not considered an objective test. - Largely abandoned in modern practice due to these limitations. *None of the options* - Incorrect because **posterior rhinoscopy is a recognized objective clinical examination** for adenoids. - It allows direct visualization which can be documented and is superior to subjective methods like palpation. - While radiological methods (lateral neck X-ray) also provide objective data, among the examination techniques listed, posterior rhinoscopy is the correct answer.

Q: Which of the following conditions is commonly associated with trismus?

Peritonsillar abscess. ***Peritonsillar abscess*** - **Trismus**, or difficulty opening the mouth, is a **classic and most characteristic symptom** of a **peritonsillar abscess** due to inflammation and reflex spasm of the pterygoid muscles adjacent to the infection. - The abscess typically causes significant pain and swelling around the tonsil, with inflammation irradiating to muscles of **mastication**. - Among all deep neck space infections, peritonsillar abscess has the **strongest association with trismus**. *Ludwig's angina* - While a severe infection of the submandibular and sublingual spaces, **Ludwig's angina** is primarily characterized by painful "bull neck" swelling of the mouth floor, elevation of the tongue, and risk of airway compromise. - **Mild to moderate trismus** can occur in some cases, but it is not the most prominent or defining feature compared to peritonsillar abscess. *Retropharyngeal abscess* - A **retropharyngeal abscess** is located behind the pharynx and primarily causes symptoms like **dysphagia**, **odynophagia**, **muffled voice**, **torticollis**, and airway compromise. - The infection's location in the retropharyngeal space usually doesn't directly affect the muscles of mastication, so **trismus is not a characteristic feature**. *Parapharyngeal abscess* - A **parapharyngeal abscess** (especially in the prestyloid space) **can cause trismus** due to its proximity to the pterygoid muscles and lateral pharyngeal wall. - However, it presents more variably with symptoms including neck swelling, medial displacement of the lateral pharyngeal wall, and potential involvement of great vessels. - While trismus may occur, it is **less consistently present and less severe** than in peritonsillar abscess, which remains the most classic association.

Q: Early tonsillectomy is not done in?

Thyroid storm. ***Thyroid storm*** - **Thyroid storm** is a life-threatening medical emergency caused by exaggerated hyperthyroidism, requiring immediate medical stabilization to control hormone levels and systemic effects. - Early tonsillectomy is **contraindicated** in this scenario because it would add significant surgical stress and anesthetic risks to an already critically unstable patient. *Peritonsillar abscess* - A **quinsy tonsillectomy** (abscess tonsillectomy) is often performed acutely, especially if drainage is difficult or if it's the first episode, to resolve the abscess and remove the infected tissue. - This procedure can be done in the acute phase of a peritonsillar abscess to relieve symptoms and reduce the risk of recurrence. *Rheumatic fever* - Patients with recurrent **acute tonsillitis** who are at risk of developing **rheumatic fever** are strong candidates for tonsillectomy to prevent further streptococcal infections and subsequent autoimmune complications. - Tonsillectomy is considered a prophylactic intervention in cases of recurrent strep throat leading to rheumatic fever. *Suspected malignancy* - If tonsillar asymmetry or other signs raise suspicion of **tonsillar malignancy**, prompt tonsillectomy is often performed for **diagnostic biopsy** and initial tumor removal. - Early surgical intervention is crucial for diagnosing and staging potential tonsil cancer, which can guide subsequent treatment.

Q: What is the treatment of choice for nasopharyngeal carcinoma?

Concurrent chemoradiotherapy. ***Concurrent chemoradiotherapy*** - **Concurrent chemoradiotherapy (CCRT)** is the current standard of care and treatment of choice for nasopharyngeal carcinoma, particularly for locoregionally advanced disease (Stage II-IVB). - The landmark **Intergroup 0099 trial** and subsequent meta-analyses have demonstrated significant improvement in overall survival and progression-free survival with cisplatin-based CCRT compared to radiotherapy alone. - CCRT combines the radiosensitizing effect of chemotherapy with direct tumoricidal effects, leading to better local control and reduced distant metastases. - This is the **evidence-based standard** recommended by major oncology guidelines (NCCN, ESMO) for the majority of NPC patients. *Radiotherapy* - While **radiotherapy alone** was historically the mainstay of treatment and remains highly effective due to NPC's radiosensitivity, it has been superseded by CCRT for most cases. - RT alone may still be appropriate for **very early stage disease (T1N0)** or in patients who cannot tolerate chemotherapy due to comorbidities. - As a single modality, it has lower cure rates compared to CCRT for advanced disease. *Surgical intervention* - **Surgical intervention** is not the primary treatment for nasopharyngeal carcinoma due to the tumor's challenging anatomical location in the nasopharynx, with proximity to critical neurovascular structures and the skull base. - Surgery is reserved for **salvage treatment** of locally recurrent disease after radiotherapy or for neck dissection in cases of persistent nodal disease. *Chemotherapy* - **Chemotherapy alone** is not curative for nasopharyngeal carcinoma. - It is used as part of combination treatment: concurrently with RT (CCRT), as induction therapy before CCRT, or as adjuvant therapy after CCRT in high-risk cases. - Systemic chemotherapy alone is reserved for metastatic or recurrent disease not amenable to locoregional treatment.

Q: Which anatomical location is often referred to as the 'graveyard of the ENT surgeon' due to its association with undetected malignancies?

Pyriform Fossa. ***Pyriform Fossa*** - This anatomical region is classically referred to as the **"graveyard of the ENT surgeon"** or **"coffin corner"** due to its association with late-detected malignancies. - Located in the **hypopharynx**, it is difficult to visualize during routine examination without specialized endoscopy, making it a common site for **missed or delayed diagnosis**. - **Hypopharyngeal squamous cell carcinomas** arising here often remain asymptomatic until advanced stages, presenting with subtle symptoms like minor dysphagia or odynophagia. - The **deep anatomical location** and rich lymphatic drainage contribute to poor prognosis and advanced disease at presentation. *Tonsilolingual sulcus* - While this region can be difficult to examine and may harbor occult malignancies, it is **not the primary site** referred to by the classic "graveyard" moniker in ENT literature. - Cancers here can be detected with careful oral cavity examination and direct visualization of the base of tongue region. *Bucco Labial sulcus* - This area is **easily accessible** for visual inspection and palpation during routine oral examination. - Malignancies here are typically detected at earlier, more treatable stages due to easy visibility. - Not associated with the "graveyard" terminology. *Peritonsillar space* - This space is more commonly associated with **infections like peritonsillar abscess** rather than being a primary site for occult malignancies. - Not typically referred to as the "graveyard of the ENT surgeon" in standard medical literature.

Q: Type of voice in nasopharyngeal fibroma is:

Decreased nasal resonance. ***Decreased nasal resonance*** - A **nasopharyngeal fibroma** is a benign tumor that obstructs the **nasopharynx**, leading to a reduction in the normal airflow and resonance through the nasal cavity. - This obstruction causes a characteristic voice quality known as **hyponasal speech** or **rhinolalia clausa**, where nasal sounds (m, n, ng) sound like oral sounds (b, d, g). *Increased nasal resonance* - This type of voice, also known as **hypernasal speech** or **rhinolalia aperta**, occurs when there is **velopharyngeal insufficiency** or a defect preventing adequate closure between the oral and nasal cavities (e.g., cleft palate). - It results in excessive airflow through the nose during speech, causing non-nasal sounds to become nasalized. *Muffled voice (hot-potato voice)* - A **muffled voice** is typically associated with conditions causing **pharyngeal obstruction** or irritation, such as **peritonsillar abscess** or **epiglottitis**. - It describes a voice that sounds as if the speaker is talking with a "hot potato" in their mouth, due to swelling and pain in the throat. *Irregular speech (staccato voice)* - **Staccato voice** refers to a speaking pattern where words or syllables are broken up with distinct pauses, common in neurological conditions like **multiple sclerosis**. - It is a form of **dysarthria** characterized by disrupted rhythm and intonation, not directly related to nasal airflow or resonance.

Question 1

What is the investigation of choice for nasopharyngeal angiofibroma?

Accepted Answer

Contrast-enhanced CT

Answer

Plain CT

Answer

X-ray

Answer

MRI

Question 2

What condition is associated with Lemierre's syndrome?

Accepted Answer

Thrombophlebitis of IJV

Answer

Carotid sinus aneurysm

Answer

Traumatic occlusion of IJV

Answer

Any of the above

Question 3

Which of the following statements about acute retropharyngeal abscess is true?

Accepted Answer

Acute retropharyngeal abscess is often due to lymphadenitis.

Answer

Treatment often involves incision and drainage.

Answer

Acute retropharyngeal abscess is common in adults.

Answer

Swelling typically occurs unilaterally.

Question 4

Which objective test is most effective for examining adenoids?

Accepted Answer

Posterior rhinoscopy

Answer

Anterior rhinoscopy

Answer

Manual palpation

Answer

None of the options

Question 5

Which of the following conditions is commonly associated with trismus?

Accepted Answer

Peritonsillar abscess

Answer

Ludwig's angina

Answer

Retropharyngeal abscess

Answer

Parapharyngeal abscess

Question 6

Early tonsillectomy is not done in?

Accepted Answer

Thyroid storm

Answer

Peritonsillar abscess

Answer

Rheumatic fever

Answer

Suspected malignancy

Question 7

What is the treatment of choice for nasopharyngeal carcinoma?

Accepted Answer

Concurrent chemoradiotherapy

Answer

Chemotherapy

Answer

Radiotherapy

Answer

Surgical intervention

Question 8

All of the following statements about nasopharyngeal carcinoma are true, except:

Accepted Answer

Nasopharyngectomy with radical neck dissection is the treatment of choice

Answer

IgA antibody to EBV is observed

Answer

Squamous cell carcinoma is the most common histological subtype

Answer

Bimodal age distribution

Question 9

Which anatomical location is often referred to as the 'graveyard of the ENT surgeon' due to its association with undetected malignancies?

Accepted Answer

Pyriform Fossa

Answer

Bucco Labial sulcus

Answer

Tonsilolingual sulcus

Answer

Peritonsillar space

Question 10

Type of voice in nasopharyngeal fibroma is:

Accepted Answer

Decreased nasal resonance

Answer

Muffled voice (hot-potato voice)

Answer

Irregular speech (staccato voice)

Answer

Increased nasal resonance

Diseases of the Pharynx — MCQs

Diseases of the Pharynx — MCQs

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