Nasal Polyposis — MCQs
Assertion: Nasal polyps are commonly associated with aspirin-exacerbated respiratory disease (AERD). Reason: Aspirin directly causes nasal polyp formation in all patients with AERD.
A patient comes with a history of asthma and sinusitis. On looking into his medical records, you notice this has been attributed to Samter’s triad. Which drug should be avoided in this patient due to its potential to exacerbate respiratory symptoms?
A 30-year-old woman presents with chronic nasal obstruction, headaches, and a foul-smelling discharge. A CT scan of the sinuses reveals a mass in the left maxillary sinus. Most likely diagnosis?
A young boy came to OPD with complaints of difficulty in breathing. On examination, bilateral polyps were found. On aspiration, bleeding was seen. What will be the initial management?
Aspirin triad is?
What is not true about the use of intranasal steroids in nasal polyposis?
Atrophic dry nasal mucosa, extensive encrustations, and a woody hard external nose are suggestive of:
Atrophic dry nasal mucosa, extensive encrustations, and a woody hard external nose are suggestive of:
Atrophic dry nasal mucosa, extensive encrustations, and a "woody" hard external nose are suggestive of?
What condition is suggested by atrophic dry nasal mucosa, extensive encrustations, and a woody hard external nose?
Nasal Polyposis Indian Medical PG Practice Questions and MCQs
Question 1: Assertion: Nasal polyps are commonly associated with aspirin-exacerbated respiratory disease (AERD). Reason: Aspirin directly causes nasal polyp formation in all patients with AERD.
- A. Both Assertion and Reason are true, and Reason is the correct explanation for Assertion.
- B. Both Assertion and Reason are false.
- C. Assertion is true, but Reason is false. (Correct Answer)
- D. Both Assertion and Reason are true, but Reason is not the correct explanation for Assertion.
Explanation: ***Assertion is true, but Reason is false.*** - The **assertion is correct** because nasal polyps are a hallmark feature of **aspirin-exacerbated respiratory disease (AERD)**, also known as **Samter's Triad** (asthma, aspirin sensitivity, chronic rhinosinusitis with nasal polyposis). - The **reason is false** because aspirin does not directly *cause* nasal polyp formation. Instead, aspirin triggers a severe inflammatory reaction in predisposed individuals through **COX-1 inhibition**, leading to an imbalance in **eicosanoid metabolism** with overproduction of **pro-inflammatory leukotrienes (LTC4, LTD4, LTE4)**. - Nasal polyps in AERD result from **chronic eosinophilic inflammation** and underlying mucosal disease, not direct causation by aspirin. *Both Assertion and Reason are true, and Reason is the correct explanation for Assertion.* - This is incorrect because the reason is fundamentally false. - Aspirin does not directly cause polyp formation; it exacerbates pre-existing inflammatory conditions in susceptible individuals. *Both Assertion and Reason are true, but Reason is not the correct explanation for Assertion.* - This is incorrect because the reason itself is false, not merely an incorrect explanation. - The pathophysiology involves aspirin triggering inflammation in predisposed patients, not causing the polyps directly. *Both Assertion and Reason are false.* - This is incorrect because the assertion is medically accurate. - Nasal polyps are indeed commonly associated with AERD and represent one component of the classic **Samter's Triad**.
Question 2: A patient comes with a history of asthma and sinusitis. On looking into his medical records, you notice this has been attributed to Samter’s triad. Which drug should be avoided in this patient due to its potential to exacerbate respiratory symptoms?
- A. Cotrimoxazole
- B. Co-amoxiclav
- C. Chloramphenicol
- D. Aspirin (Correct Answer)
Explanation: ***Aspirin (Correct Answer)*** - Samter's triad, or **aspirin-exacerbated respiratory disease (AERD)**, is characterized by **asthma**, **nasal polyps with chronic rhinosinusitis**, and a severe reaction to **aspirin** and other **NSAIDs**. - **Aspirin** inhibits COX-1, leading to an overproduction of **leukotrienes**, which causes bronchoconstriction and exacerbates respiratory symptoms in susceptible individuals. - This is the drug that **must be avoided** in patients with Samter's triad. *Cotrimoxazole (Incorrect)* - **Cotrimoxazole** (trimethoprim-sulfamethoxazole) is an antibiotic not directly involved in the cyclooxygenase pathway. - While allergic reactions can occur, it is **not specifically contraindicated** in Samter's triad. *Co-amoxiclav (Incorrect)* - **Co-amoxiclav** (amoxicillin/clavulanic acid) is a penicillin-class antibiotic, and its mechanism of action does not involve prostaglandin synthesis. - It does not pose a specific risk for exacerbating respiratory symptoms in patients with **Samter's triad**. *Chloramphenicol (Incorrect)* - **Chloramphenicol** is an antibiotic that inhibits bacterial protein synthesis and is not associated with the pathogenesis of Samter's triad. - It does not impact the **cyclooxygenase or lipoxygenase pathways** that are central to AERD.
Question 3: A 30-year-old woman presents with chronic nasal obstruction, headaches, and a foul-smelling discharge. A CT scan of the sinuses reveals a mass in the left maxillary sinus. Most likely diagnosis?
- A. Chronic sinusitis due to bacterial infection (Correct Answer)
- B. Nasal septal deviation
- C. Allergic fungal sinusitis
- D. Nasal obstruction due to polyp
Explanation: ***Chronic sinusitis due to bacterial infection*** - The combination of **chronic nasal obstruction**, **headaches**, **foul-smelling discharge**, and a **mass in the maxillary sinus** is most consistent with chronic bacterial sinusitis. - The **foul-smelling discharge** is pathognomonic for **anaerobic bacterial infection**, which is characteristic of chronic sinusitis with stagnant secretions. - The mass seen on CT likely represents inflammatory tissue such as **granulation tissue**, **organized mucopus**, or an **inflammatory polyp** secondary to chronic infection. - Chronic bacterial sinusitis can lead to mucosal thickening and polypoid changes that appear as mass-like lesions on imaging. *Allergic fungal sinusitis* - While allergic fungal sinusitis (AFRS) can present with a mass-like lesion due to allergic mucin accumulation, it typically does **NOT** produce foul-smelling discharge. - AFRS discharge is typically thick, inspissated, and described as "peanut butter-like" but not foul-smelling unless there is secondary bacterial superinfection. - AFRS usually affects multiple sinuses bilaterally and is associated with nasal polyposis, asthma, and allergic history. *Nasal septal deviation* - **Nasal septal deviation** is an anatomical abnormality that can contribute to sinus obstruction and predispose to sinusitis, but it does not directly cause an intrasinus mass or foul-smelling discharge. - CT would show deviation of the nasal septum but would not explain the mass within the maxillary sinus itself. *Nasal obstruction due to polyp* - While **nasal polyps** can cause obstruction and are often associated with chronic sinusitis, they typically arise from the middle meatus or ethmoid region rather than presenting as a discrete mass within the maxillary sinus. - Polyps themselves are bland inflammatory tissue and do not typically produce foul-smelling discharge unless secondarily infected with anaerobic bacteria, in which case the underlying diagnosis would be chronic bacterial sinusitis.
Question 4: A young boy came to OPD with complaints of difficulty in breathing. On examination, bilateral polyps were found. On aspiration, bleeding was seen. What will be the initial management?
- A. Septoplasty
- B. I and D
- C. Topical corticosteroids (Correct Answer)
- D. Antihistaminic
Explanation: ***Topical corticosteroids*** - **Topical corticosteroids** are the **first-line medical management** for **nasal polyps**, helping to reduce inflammation and shrink polyp size. - They work by reducing local inflammation and edema, improving nasal airway patency and breathing. - **Important note**: The presence of **bleeding on aspiration** suggests a **vascular lesion** (such as juvenile nasopharyngeal angiofibroma in young males), which would require **imaging (CT/MRI) before any intervention** and **no biopsy** due to hemorrhage risk. However, if these are inflammatory polyps, topical steroids remain the initial medical management. *Antihistaminic* - **Antihistamines** are not first-line treatment for nasal polyps, as polyps are primarily an **eosinophilic inflammatory condition** rather than a simple IgE-mediated allergic reaction. - While antihistamines may help with associated allergic rhinitis symptoms, they do **not shrink polyps** or address the underlying inflammatory pathology. *Septoplasty* - **Septoplasty** is a surgical procedure to correct a **deviated nasal septum**, not for treating nasal polyps. - This would not address the bilateral polyps causing difficulty in breathing. *I and D* - **Incision and drainage (I&D)** is performed for abscesses or pus collections, which is not the presentation here. - Nasal polyps are benign inflammatory masses, not infectious collections requiring drainage.
Question 5: Aspirin triad is?
- A. Samter's syndrome (Correct Answer)
- B. Kartagener s syndrome
- C. Young syndrome
- D. Churg-Strauss syndrome
Explanation: ***Samter's syndrome*** - Also known as **aspirin-exacerbated respiratory disease (AERD)** or aspirin triad, this condition is characterized by **asthma**, **nasal polyps**, and a sensitivity to **aspirin** and other NSAIDs [1]. - The symptoms are typically triggered by NSAID ingestion, leading to a severe asthmatic response and rhinosinusitis [1]. *Kartagener's syndrome* - This is a subgroup of **primary ciliary dyskinesia** characterized by the triad of **situs inversus** (organ reversal), chronic sinusitis, and bronchiectasis. - It is a genetic disorder affecting ciliary function, which is unrelated to aspirin sensitivity. *Young syndrome* - This syndrome is characterized by the triad of **bronchiectasis**, rhinosinusitis, and **obstructive azoospermia** in men due to ciliary dysfunction. - It does not involve aspirin sensitivity or nasal polyps as primary features. *Churg-Strauss syndrome* - Now known as **Eosinophilic Granulomatosis with Polyangiitis (EGPA)**, it is a rare autoimmune disease characterized by **asthma**, **eosinophilia**, and **vasculitis**. - While asthma is a feature, the core triad of EGPA involves systemic vasculitis and high eosinophil counts, not nasal polyps or specific aspirin sensitivity.
Question 6: What is not true about the use of intranasal steroids in nasal polyposis?
- A. Effective in all types of nasal polyps (Correct Answer)
- B. May cause nasal irritation
- C. Reduce recurrence
- D. Most effective in eosinophilically predominant polyps
Explanation: ***Effective in all types of nasal polyps*** - Intranasal steroids are primarily effective in nasal polyps with an **eosinophilic inflammatory component**, which is the most common type. - They are **not effective in all types** - efficacy is significantly reduced in polyps with **neutrophilic inflammation** or those related to conditions like **cystic fibrosis**, reflecting different underlying pathologies. - This statement is **FALSE**, making it the correct answer to this negation question. *May cause nasal irritation* - **Nasal irritation**, including **burning, stinging**, or **dryness**, is a common local side effect associated with the use of intranasal steroids. - Other local side effects can include **epistaxis** (nosebleeds) and mucosal atrophy, though less common. - This statement is **TRUE**. *Reduce recurrence* - **Intranasal steroids** are crucial in **reducing the recurrence** of nasal polyps after surgical removal. - Their anti-inflammatory action helps to **control the underlying inflammation** that contributes to polyp formation. - This statement is **TRUE**. *Most effective in eosinophilically predominant polyps* - Intranasal steroids primarily target the **eosinophilic inflammatory pathway**, which is characteristic of the majority of **chronic rhinosinusitis with nasal polyps (CRSwNP)**. - While they have **maximal efficacy** in eosinophilic polyps, they may have limited benefit in mixed inflammatory patterns. - Their efficacy is significantly reduced in polyps that are predominantly **neutrophilic** or associated with systemic conditions like **cystic fibrosis**, as these involve different inflammatory mechanisms. - This statement is **TRUE**.
Question 7: Atrophic dry nasal mucosa, extensive encrustations, and a woody hard external nose are suggestive of:
- A. Rhinoscleroma (Correct Answer)
- B. Carcinoma of the nose
- C. Rhinosporidiosis
- D. Atrophic rhinitis
Explanation: ***Rhinoscleroma*** - This chronic granulomatous disease, caused by **Klebsiella rhinoscleromatis**, is characterized by a triad of symptoms including **atrophic dry nasal mucosa**, **extensive encrustations**, and a **woody hard external nose** (Hebra nose). - The progressive fibrosis and granuloma formation lead to the typical induration and distortion of nasal tissues. *Rhinosporidiosis* - This condition is caused by the aquatic pathogen **Rhinosporidium seeberi** and typically presents with friable, reddish, strawberry-like polyps or masses that bleed easily. - While it can affect the nasal mucosa, it does not typically cause **extensive encrustations** or a **woody hard external nose**. *Carcinoma of the nose* - Nasal carcinomas usually present with **unilateral nasal obstruction**, **epistaxis**, facial pain, and possibly neurological symptoms or orbital involvement in advanced stages. - They are not usually associated with the widespread **atrophy**, encrustation, or the **woody consistency** described, although they can cause tissue destruction. *Atrophic rhinitis* - Characterized by **progressive atrophy** of the nasal mucosa, turbinates, and glands, leading to a wide nasal cavity, crusting, and a foul odor (ozena). - While it involves **atrophic dry nasal mucosa** and encrustations, it does not typically present with the **woody hard external nose** seen in rhinoscleroma.
Question 8: Atrophic dry nasal mucosa, extensive encrustations, and a woody hard external nose are suggestive of:
- A. Atrophic rhinitis (Correct Answer)
- B. Nasal obstruction due to foreign body
- C. Chronic rhinosinusitis
- D. Nasal polyps
Explanation: ***Atrophic rhinitis*** - **Atrophic dry nasal mucosa**, extensive **encrustations**, and a **woody hard external nose** are classic presentations of atrophic rhinitis, especially the primary form (ozena). - This condition involves progressive atrophy of the nasal mucosa and turbinates. *Nasal obstruction due to foreign body* - A **foreign body** in the nose typically causes unilateral foul-smelling discharge, obstruction, and sometimes pain, not generalized dryness or extensive encrustations. - It does not lead to a "woody hard" external nose. *Chronic rhinosinusitis* - Characterized by **mucopurulent discharge**, facial pain/pressure, and nasal obstruction, usually without the extreme dryness or global mucosal atrophy seen in the question. - Encrustations can occur, but typically not to the extent or with the atrophic changes described. *Nasal polyps* - **Nasal polyps** cause nasal obstruction, anosmia (loss of smell), and often runny nose, but they do not typically cause atrophic mucosa or a woody hard external nose. - They are soft, movable growths, distinct from the features presented.
Question 9: Atrophic dry nasal mucosa, extensive encrustations, and a "woody" hard external nose are suggestive of?
- A. Rhinosporidiosis
- B. Atrophic rhinitis
- C. Carcinoma of the nose
- D. Rhinoscleroma (Correct Answer)
Explanation: ***Rhinoscleroma*** - This condition presents with **atrophic dry nasal mucosa**, extensive **encrustations**, and a characteristic "_woody_" hard external nose due to granulation tissue and fibrosis called **scleroma**. - It is a chronic granulomatous infection caused by **_Klebsiella rhinoscleromatis_**, leading to progressive tissue destruction and deformity. *Rhinosporidiosis* - Characterized by **polypoid lesions, friable masses**, and **strawberry-like appearance** in the nasal cavity, often associated with bleeding. - This is caused by **_Rhinosporidium seeberi_**, a pathogen found in stagnant water, and does not typically cause a woody hard external nose. *Atrophic rhinitis* - Involves progressive **atrophy of the nasal mucosa** and turbinates, leading to dryness, crusting, and a foul odor (**foetor**). - While it causes dry mucosa and encrustations, it does not typically lead to the **woody hardness** of the external nose described. *Carcinoma of the nose* - Can present with varied symptoms, including **nasal obstruction, discharge, epistaxis**, and sometimes **local invasion** leading to external deformity. - However, the combination of **atrophic mucosa, extensive crusting**, and specifically the "**woody**" hardness points more directly to Rhinoscleroma due to its characteristic fibrous tissue reaction.
Question 10: What condition is suggested by atrophic dry nasal mucosa, extensive encrustations, and a woody hard external nose?
- A. Allergic rhinitis
- B. Sarcoidosis
- C. Rhinoscleroma (Correct Answer)
- D. Wegener's granulomatosis
Explanation: ***Rhinoscleroma*** - **Rhinoscleroma** characteristically presents with **atrophic, dry nasal mucosa**, extensive **encrustations**, and the distinctive **"woody hard" external nose** due to granulomatous infiltration. - Caused by **Klebsiella rhinoscleromatis** (*Klebsiella pneumoniae* subspecies *rhinoscleromatis*). - Characterized by **Mikulicz cells** (foamy macrophages containing bacilli) on histopathology. - It progresses through stages (atrophic, granulomatous/nodular, and sclerotic), with the infiltrative stage leading to the hard, fixed lesions, and ultimately to nasal obstruction and deformity. *Sarcoidosis* - While sarcoidosis can affect the nasal mucosa, it typically presents with **granulomatous inflammation**, but less commonly with the severe encrustations and characteristic "woody hard" consistency seen in rhinoscleroma. - Nasal involvement in sarcoidosis often includes **papules, nodules**, or **ulceration**, rather than widespread atrophy and crusting. *Allergic rhinitis* - Allergic rhinitis is characterized by **nasal congestion, rhinorrhea, itching**, and sneezing, primarily due to **IgE-mediated inflammatory responses** to allergens. - It does not cause atrophic nasal mucosa, extensive encrustations, or the development of a "woody hard" external nose. *Wegener's granulomatosis* - **Wegener's granulomatosis** (now known as **Granulomatosis with Polyangiitis**) is a systemic vasculitis that can significantly impact the nose, causing **crusting, ulceration, saddle nose deformity**, and epistaxis. - However, it typically involves destructive inflammation and necrosis rather than the firm, "woody" induration and widespread atrophy described, and it is associated with **c-ANCA (PR3-ANCA) antibodies**.
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