Diseases of the Nose and Paranasal Sinuses Practice Questions

Q: Most common benign tumor of the paranasal sinuses?

Osteoma. ***Osteoma*** - **Osteomas** are the **most common benign tumors** found in the paranasal sinuses, particularly the **frontal sinus**. - They are slow-growing **bone tumors** that are often asymptomatic but can cause symptoms like pain or obstruction if large. *Papilloma* - While **inverted papillomas** occur in the paranasal sinuses, they are less common than osteomas. - They have a significant risk of **malignant transformation** and tend to recur after excision. *Antrochoanal polyp* - **Antrochoanal polyps** are benign lesions arising from the **maxillary sinus** that extend through the ostium into the nasal cavity and nasopharynx. - They are relatively common but are **not true neoplasms**, rather inflammatory/edematous lesions, distinct from osteomas. *Fibroma* - **Fibromas** are benign tumors composed of **fibrous connective tissue** and are relatively rare in the paranasal sinuses compared to osteomas. - They can occur in various locations but are not the leading cause of benign sinus growths.

Q: Young's operation is done for?

Atrophic rhinitis. ***Correct: Atrophic rhinitis*** - **Young's operation** involves partially or completely closing the nostrils to create a warm, moist environment within the nasal cavity, which is beneficial for the regeneration of nasal mucosa in **atrophic rhinitis**. - This procedure aims to reduce the severity of symptoms like **crusting**, foul odor (ozena), and repeated infections associated with atrophic rhinitis. - The closure prevents excessive drying and promotes healing of the atrophied mucosa. *Incorrect: Allergic rhinitis* - Allergic rhinitis is an inflammatory condition triggered by **allergens**, typically managed with antihistamines, nasal corticosteroids, and allergen avoidance. - **Young's operation** is not indicated for allergic rhinitis, as it addresses structural and mucosal atrophy issues, not allergic responses. *Incorrect: Vasomotor rhinitis* - This condition involves **non-allergic triggers** causing nasal congestion, rhinorrhea, and sneezing due to dysregulation of the autonomic nervous system. - Treatment focuses on symptomatic relief with nasal sprays or anticholinergics; **surgical closure of nostrils** is inappropriate. *Incorrect: Idiopathic rhinitis* - **Idiopathic rhinitis** is a diagnosis of exclusion, meaning its cause is unknown, but it does not typically involve the severe mucosal atrophy seen in atrophic rhinitis. - Management is similar to vasomotor rhinitis, aiming for **symptomatic control**, making Young's operation unsuitable.

Q: What is the treatment of choice for ethmoidal polyps?

Functional Endoscopic sinus surgery with polypectomy. ***Functional Endoscopic sinus surgery with polypectomy*** - This is the **gold standard treatment** for ethmoidal polyps, as it allows for **direct visualization** and complete removal of polyps while preserving healthy mucosa. - It also enables restoration of normal sinus ventilation and drainage, which helps prevent recurrence. *Intranasal ethmoidectomy* - This is an **older technique** that is performed blindly and carries a higher risk of complications, such as **orbital or intracranial injury**, compared to endoscopic approaches. - It often results in incomplete polyp removal, leading to a higher rate of recurrence. *Transantral ethmoidectomy* - This approach, also known as the **Caldwell-Luc procedure**, is primarily used for diseases of the **maxillary sinus** and is not the preferred method for isolated ethmoidal polyps. - It is a more invasive external approach with risks including facial swelling, pain, and damage to dental nerves. *Extranasal ethmoidectomy* - This is a more invasive **external approach** involving an incision on the face and is generally reserved for extensive or complicated cases, such as **tumors or severe trauma**, not for routine polyp removal. - It carries risks of visible scarring and longer recovery times, making it less favorable than endoscopic techniques.

Q: Which of the following statements about vasomotor rhinitis is false?

It is an infective condition. ***It is an infective condition*** - **Vasomotor rhinitis** is a **non-allergic, non-infectious** condition of the nasal passages. - Its pathophysiology involves **autonomic nervous system dysfunction** affecting nasal blood vessels, not microbial infection. *It primarily presents with nasal congestion and rhinorrhea* - This statement is **true** because classic symptoms of vasomotor rhinitis include persistent or intermittent **nasal congestion** and **rhinorrhea** (runny nose). - These symptoms result from the dysregulation of the autonomic control over nasal vasculature and glands. *It involves autonomic dysfunction of nasal blood vessels* - This statement is **true** and describes the core mechanism of vasomotor rhinitis, where the **parasympathetic nervous system** is relatively overactive, leading to vasodilation and increased glandular secretions. - This dysfunction causes the characteristic symptoms without an allergic or infectious trigger. *It is triggered by non-allergic stimuli like weather changes and strong odors* - This statement is **true** as patients with vasomotor rhinitis often report symptoms triggered by **environmental irritants** such as strong perfumes, temperature changes, humidity fluctuations, or even emotional stress. - These triggers differentiate it clinically from allergic rhinitis.

Q: All of the following are causes of perforation of the cartilaginous part of the nasal septum except?

Syphilis. ***Syphilis*** - **Syphilis** typically causes perforation of the **bony part** of the nasal septum, particularly the vomer and perpendicular plate of the ethmoid bone, due to chronic granulomatous inflammation. - The cartilaginous septum is generally less affected by syphilis in terms of perforation, although early mucosal involvement can occur. *Trauma* - **Trauma** (e.g., nose picking, septal surgery, foreign body insertion) is a common cause of **perforation of the cartilaginous nasal septum**. - Such injuries can lead to localized necrosis and subsequent perforation due to disruption of the blood supply to the septal cartilage. *Tuberculosis* - **Tuberculosis** can cause **granulomatous inflammation** and necrosis, leading to perforation of the **cartilaginous nasal septum**. - This is part of extrapulmonary tuberculosis and can present with chronic nasal obstruction and discharge. *Leprosy* - **Leprosy** (Hansen's disease) is known to cause severe destruction of nasal structures due to chronic inflammation, including perforation of the **cartilaginous nasal septum**. - The specific bacteria cause granulomatous lesions that erode the cartilage over time.

Q: Which of the following is NOT a feature of a nasal foreign body?

Deviated septum. ***Deviated septum*** - A **deviated septum** is an anatomical variation of the nasal septum which causes **nasal obstruction** but is not a symptom or complication resulting from a **nasal foreign body**. - It is a structural abnormality that is usually congenital or due to trauma, unrelated to the presence of an object. *Vestibulitis* - **Nasal vestibulitis** can develop as a secondary infection or inflammation around a foreign body due to irritation or bacterial growth. - The constant presence and irritation from the foreign object in the nasal cavity can lead to inflammation and infection of the nasal vestibule. *Epistaxis* - **Epistaxis** (nosebleed) is a common symptom of a nasal foreign body, especially if the object is sharp, causes trauma, or leads to significant irritation of the nasal mucosa. - The foreign body can directly traumatize the blood vessels in the nasal lining, leading to bleeding. *Nasal obstruction* - A **nasal foreign body** will physically block the nasal passage, leading to symptoms of **nasal obstruction**, often unilateral, depending on the size and location of the object. - This is one of the most direct and immediate symptoms caused by the presence of an object within the nasal cavity.

Q: Which of the following is not a feature of ethmoidal polyp?

Commonly found as a single polyp. ***Commonly found as a single polyp*** - **Ethmoidal polyps** are typically **multiple** and bilateral, originating from the ethmoid sinuses. - They rarely present as a single, isolated polyp, which is more characteristic of antrochoanal polyps. - This is the key distinguishing feature that makes this statement INCORRECT. *Common in adults* - **Ethmoidal polyps** are indeed **more prevalent in adults** than in children. - Peak incidence occurs between 30-50 years of age. - Their incidence tends to increase with age, often associated with chronic rhinosinusitis. *Commonly bilateral* - **Ethmoidal polyps** almost invariably present as **bilateral polyps**, involving both sides of the nasal cavity. - This bilateral nature is a key differentiating feature from antrochoanal polyps, which are typically unilateral. - Bilateral presentation is one of the hallmark characteristics of ethmoidal polyps. *Associated with chronic rhinosinusitis* - **Ethmoidal polyps** are strongly associated with **chronic rhinosinusitis with nasal polyposis (CRSwNP)**. - They arise from chronic mucosal inflammation of the ethmoid sinuses. - Often associated with conditions like aspirin-exacerbated respiratory disease (AERD/Samter's triad) and non-allergic eosinophilic inflammation.

Q: The artery which leads to bleeding in Woodruff's area is?

Sphenopalatine artery. ***Sphenopalatine artery*** - **Woodruff's area** is located on the posterior lateral wall of the nasal cavity, specifically a plexus of veins and arteries inferior to the posterior end of the inferior turbinate. - Bleeding from this region, often associated with **posterior epistaxis**, typically involves branches of the **sphenopalatine artery**. *Anterior ethmoidal artery* - The **anterior ethmoidal artery** is primarily involved in **anterior epistaxis**, supplying Kiesselbach's plexus on the nasal septum. - It does not contribute significantly to bleeding from Woodruff's area on the posterior lateral wall. *Greater palatine artery* - The **greater palatine artery** supplies the hard and soft palate and a small portion of the nasal floor. - It is not a major contributor to bleeding in Woodruff's area, which is located more superiorly and posteriorly on the lateral nasal wall. *Superior labial artery* - The **superior labial artery** is a branch of the facial artery, primarily supplying the upper lip and philtrum. - While it contributes to the vascular supply of the anterior nasal septum, it is not involved in bleeding from Woodruff's area.

Question 1

Most common benign tumor of the paranasal sinuses?

Accepted Answer

Osteoma

Answer

Papilloma

Answer

Antrochoanal polyp

Answer

Fibroma

Question 2

What is a rhinolith?

Accepted Answer

Deposition of calcium around a foreign body in the nasal cavity

Answer

A stone formed from mineral deposits in the nasal cavity

Answer

An incorrect term for nasal stones

Answer

A foreign body lodged in the nasal cavity

Question 3

Young's operation is done for?

Accepted Answer

Atrophic rhinitis

Answer

Allergic rhinitis

Answer

Vasomotor rhinitis

Answer

Idiopathic rhinitis

Question 4

What is the treatment of choice for ethmoidal polyps?

Accepted Answer

Functional Endoscopic sinus surgery with polypectomy

Answer

Intranasal ethmoidectomy

Answer

Transantral ethmoidectomy

Answer

Extranasal ethmoidectomy

Question 5

Which of the following statements about vasomotor rhinitis is false?

Accepted Answer

It is an infective condition

Answer

It primarily presents with nasal congestion and rhinorrhea

Answer

It involves autonomic dysfunction of nasal blood vessels

Answer

It is triggered by non-allergic stimuli like weather changes and strong odors

Question 6

All of the following are causes of perforation of the cartilaginous part of the nasal septum except?

Accepted Answer

Syphilis

Answer

Tuberculosis

Answer

Leprosy

Answer

Trauma

Question 7

Which of the following is NOT a feature of a nasal foreign body?

Accepted Answer

Deviated septum

Answer

Epistaxis

Answer

Nasal obstruction

Answer

Vestibulitis

Question 8

All of the following are true about nasal myiasis except which of the following?

Accepted Answer

Nasal myiasis is typically asymptomatic

Answer

Common in vasomotor rhinitis

Answer

Nasal myiasis can cause intense nasal irritation.

Answer

Meningitis may occur in severe nasal myiasis.

Question 9

Which of the following is not a feature of ethmoidal polyp?

Accepted Answer

Commonly found as a single polyp

Answer

Common in adults

Answer

Commonly bilateral

Answer

Associated with chronic rhinosinusitis

Question 10

The artery which leads to bleeding in Woodruff's area is?

Accepted Answer

Sphenopalatine artery

Answer

Anterior ethmoidal artery

Answer

Greater palatine artery

Answer

Superior labial artery

Diseases of the Nose and Paranasal Sinuses — MCQs

Diseases of the Nose and Paranasal Sinuses — MCQs

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