Diseases of the Nose and Paranasal Sinuses Practice Questions

Q: Periodicity is a characteristic feature in which sinus infection?

Frontal sinus infection. **Explanation:** The characteristic feature of **periodicity** (also known as the **"Office Headache"**) is a hallmark of **Acute Frontal Sinusitis**. **Why Frontal Sinus is the correct answer:** The pain in frontal sinusitis typically follows a circadian rhythm. It starts in the morning (around 9:00 or 10:00 AM) as the patient begins their day, gradually increases in intensity to reach a peak by midday, and then spontaneously subsides by late afternoon or evening. * **Mechanism:** This occurs because, in the supine position (sleep), inflammatory exudates accumulate. Upon waking, as the patient assumes an upright position, the ostium (located at the dependent part of the sinus) begins to drain. However, as the day progresses, the drainage is often incomplete or blocked by mucosal edema, leading to negative pressure (vacuum headache) or pressure from trapped pus. By evening, the drainage eventually clears the pressure, providing relief. **Why other options are incorrect:** * **Maxillary Sinusitis:** Pain is typically felt over the cheek and infraorbital region. While it may worsen with bending forward, it does not follow the strict "office hour" periodicity. * **Ethmoid Sinusitis:** Pain is usually localized over the bridge of the nose and the medial canthus of the eye. * **Sphenoid Sinusitis:** Pain is typically referred to the vertex (top of the head) or the occiput. **High-Yield Clinical Pearls for NEET-PG:** * **Office Headache:** Synonymous with Acute Frontal Sinusitis. * **Tenderness Point:** Frontal sinus tenderness is best elicited by firm upward pressure on the **floor of the sinus** (medial to the supraorbital notch). * **Radiology:** The **Water’s View** (Occipitomental) is the best X-ray for Maxillary and Frontal sinuses, though CT Scan is the gold standard.

Q: CSF rhinorrhea can be seen in which type of fracture?

All of the above. **Explanation:** CSF rhinorrhea occurs when there is a breach in the **dura mater** and a fracture of the **cribriform plate** of the ethmoid bone or the floor of the anterior cranial fossa. This allows cerebrospinal fluid to leak from the subarachnoid space into the nasal cavity. * **Lefort II (Pyramidal) and Lefort III (Craniofacial Disjunction):** Both of these fracture lines involve the **ethmoid bone** and the nasofrontal suture area. In Lefort III, the entire facial skeleton is separated from the skull base, frequently involving the cribriform plate. In Lefort II, the fracture line passes through the bridge of the nose and the ethmoid air cells, often leading to dural tears. * **Nasoethmoidal (NOE) Fractures:** These involve the central midface and specifically the ethmoid bone. Because the ethmoid bone forms the roof of the nasal cavity and the floor of the anterior cranial fossa, these fractures are highly associated with CSF leaks. **Why "All of the above" is correct:** Since all three fracture patterns involve the ethmoid complex and the anatomical junction between the face and the anterior skull base, they are all potential causes of CSF rhinorrhea. **Clinical Pearls for NEET-PG:** 1. **Target/Halo Sign:** If CSF is mixed with blood, dropping it on a gauze piece creates a central red spot (blood) surrounded by a clear ring (CSF). 2. **Biochemical Marker:** **Beta-2 Transferrin** is the most specific gold-standard test to confirm CSF leakage. 3. **Management:** Most cases resolve with conservative management (head elevation, avoidance of straining). If persistent, surgical repair is required. 4. **Contraindication:** Nasogastric (NG) tubes are strictly contraindicated in these fractures to avoid accidental intracranial insertion; use an orogastric tube instead.

Q: What is the most common malignant tumor of the nose?

Squamous cell carcinoma. **Explanation:** **1. Why Squamous Cell Carcinoma (SCC) is Correct:** Squamous cell carcinoma is the most common primary malignant tumor of the nasal cavity and paranasal sinuses, accounting for approximately **80% of all cases**. It typically arises from the respiratory epithelium (Schneiderian membrane) that has undergone squamous metaplasia. The most common site for SCC in the sinonasal tract is the **maxillary antrum**, followed by the nasal cavity. **2. Analysis of Incorrect Options:** * **Basal Cell Carcinoma (BCC):** While BCC is the most common malignancy of the **external skin of the nose**, it is not the most common tumor of the nasal cavity itself. NEET-PG aspirants must distinguish between "skin of the nose" (BCC) and "nasal cavity/internal nose" (SCC). * **Malignant Melanoma:** This is a rare sinonasal malignancy (approx. 1–3%). It typically arises from the nasal septum or turbinates and carries a poor prognosis due to early metastasis. * **None of the above:** Incorrect, as SCC is the established leading malignancy. **3. Clinical Pearls for NEET-PG:** * **Most common site of Sinonasal Malignancy:** Maxillary Sinus (Antrum). * **Most common benign tumor of the nose:** Inverted Papilloma (Ringertz tumor). * **Occupational Risk:** Wood dust exposure is specifically associated with **Adenocarcinoma** of the ethmoid sinuses, not SCC. * **Ohngren’s Line:** An imaginary line connecting the medial canthus to the angle of the mandible; tumors above this line (suprastructure) have a worse prognosis than those below (infrastructure). * **Clinical Presentation:** Unilateral nasal obstruction and blood-stained nasal discharge in an elderly patient should always be investigated to rule out malignancy.

Q: Which of the following statements about inverted papilloma are correct?

Can be premalignant. **Inverted Papilloma (Schneiderian Papilloma)** is a unique benign epithelial tumor of the nasal cavity that behaves aggressively. ### **Explanation of the Correct Option** **D. Can be premalignant:** Although histologically benign, inverted papilloma is notorious for its association with malignancy. In approximately **5–15% of cases**, it can undergo malignant transformation into **Squamous Cell Carcinoma (SCC)**. This risk, along with its high rate of local recurrence, necessitates wide surgical excision (usually via Endoscopic Sinus Surgery or Medial Maxillectomy) and long-term follow-up. ### **Explanation of Incorrect Options** * **A. Common in children:** This is incorrect. It typically affects adults in the **4th to 6th decades** of life, with a strong male predilection (M:F ratio of 4:1). * **B. Arises from the lateral wall:** While this is a common site of origin, the statement is technically incomplete or less definitive than its premalignant nature. It most commonly arises from the **lateral nasal wall** (middle meatus/ethmoid sinus region), but the question asks for the most defining characteristic among the choices. * **C. Always benign:** This is incorrect because of its **locally invasive** nature and the aforementioned risk of synchronous or metachronous malignancy. ### **NEET-PG High-Yield Pearls** * **Histology:** Characterized by the **endophytic growth** of surface epithelium into the underlying stroma (hence the name "inverted"). * **Etiology:** Strongly associated with **Human Papillomavirus (HPV) types 6 and 11**. * **Clinical Presentation:** Usually presents as **unilateral** nasal obstruction and epistaxis. On examination, it appears as a pale, bulky, "mulberry-like" mass. * **Radiology:** CT scans often show a unilateral soft tissue mass with characteristic **bony remodeling** or focal hyperostosis at the site of origin (useful for surgical planning).

Q: What is the most common cause of nasal polyps in children?

Allergic rhinitis. **Explanation:** Nasal polyps are non-neoplastic, edematous masses of sinonasal mucosa. In the pediatric population, the most common cause of nasal polyps is **Allergic Rhinitis**. Chronic inflammation of the nasal mucosa leads to increased capillary permeability and reactive stromal edema, eventually resulting in polyp formation. While **Cystic Fibrosis** is a classic systemic association for childhood polyps (and must be ruled out if polyps are bilateral), allergic rhinitis remains the most frequent underlying trigger in general clinical practice. **Analysis of Incorrect Options:** * **Human Papillomavirus (HPV):** This is an infectious agent associated with Squamous Papillomas and Inverted Papillomas, not the common inflammatory nasal polyp. * **Inverted Papilloma:** This is a benign but locally aggressive epithelial neoplasm. It typically presents in adults (40–60 years) and is usually unilateral; it is rare in children. * **Rhinosporidiosis:** Caused by *Rhinosporidium seeberi*, this presents as a friable, leafy, strawberry-like vascular mass. It is an infectious granuloma, not a true mucosal polyp, and is associated with bathing in stagnant water. **High-Yield Clinical Pearls for NEET-PG:** * **Rule of Thumb:** If a child presents with nasal polyps, the first systemic disease to exclude is **Cystic Fibrosis** (via a Sweat Chloride Test). * **Antrochoanal Polyp:** Usually solitary, unilateral, and originates from the maxillary sinus. It is more common in children/young adults and is often non-allergic. * **Ethmoidal Polyps:** Usually multiple, bilateral, and strongly associated with allergy or asthma (Samter’s Triad). * **Management:** Medical management (topical/systemic steroids) is first-line; Functional Endoscopic Sinus Surgery (FESS) is reserved for refractory cases.

Q: A 12-year-old adolescent male presents with a unilateral mass in the nose with recurrent spontaneous bleeding. On examination, a pink mass covered with mucosa is found in the nasopharynx. Which of the following is not to be done?

Biopsy for diagnosis. **Explanation:** The clinical presentation of a **12-year-old male** with a **unilateral nasopharyngeal mass** and **recurrent spontaneous epistaxis** is a classic "spot diagnosis" for **Juvenile Nasopharyngeal Angiofibroma (JNA)**. **Why Biopsy is Contraindicated (Correct Answer):** JNA is a benign but locally aggressive, **highly vascular tumor**. Because it consists of a dense network of thin-walled blood vessels without a contractile muscular coat, any trauma—including a biopsy—can lead to **profuse, life-threatening hemorrhage**. Diagnosis is primarily clinical and radiological; a biopsy is strictly contraindicated unless performed in an operating room under general anesthesia with preparations for immediate surgery, though it is generally avoided entirely. **Analysis of Other Options:** * **B. CECT is done:** Contrast-Enhanced CT is a standard investigation to assess bone destruction and the characteristic **Holman-Miller sign** (anterior bowing of the posterior wall of the maxillary sinus). * **C. Endoscopic surgery:** This is the treatment of choice for most JNA cases (Fish Stage I and II). It offers excellent visualization and lower morbidity compared to open approaches. * **D. Angioembolization:** This is a routine preoperative procedure performed 24–48 hours before surgery to reduce intraoperative blood loss by occluding the feeding vessel (usually the Internal Maxillary Artery). **High-Yield Clinical Pearls for NEET-PG:** * **Demographics:** Occurs almost exclusively in adolescent males (testosterone-dependent). * **Site of Origin:** Sphenopalatine foramen. * **Pathognomonic Sign:** Holman-Miller Sign (on CT) or Frog-face deformity (advanced clinical stage). * **Investigation of Choice:** Contrast-Enhanced CT (CECT) or MRI to assess intracranial extension. * **Gold Standard for Vascularity:** Digital Subtraction Angiography (DSA).

Q: Ground glass appearance of the maxillary sinus is typically seen in which of the following conditions?

Maxillary fibrous dysplasia. **Explanation:** **Fibrous dysplasia** is a benign bone disorder where normal bone marrow is replaced by fibro-osseous tissue. In the head and neck, it most commonly involves the maxilla. The hallmark radiological feature of fibrous dysplasia is a **"Ground Glass Appearance"** (smoky or cloudy appearance). This occurs because the disorganized arrangement of thin, poorly mineralized bone trabeculae creates a uniform, semi-opaque density on X-ray or CT scans. **Analysis of Incorrect Options:** * **Maxillary Sinusitis:** Typically presents as generalized opacification of the sinus or an air-fluid level. It does not show the characteristic bony trabecular pattern of ground glass. * **Maxillary Carcinoma:** Usually presents as an irregular soft tissue mass with evidence of **aggressive bony destruction** and infiltration into surrounding structures, rather than a uniform ground-glass density. * **Maxillary Polyp:** Appears as a smooth, soft tissue density within the sinus cavity. While it may cause expansion of the sinus walls due to pressure, it does not involve the internal bony remodeling seen in fibrous dysplasia. **High-Yield Clinical Pearls for NEET-PG:** * **Radiological Sign:** Ground glass appearance is the "buzzword" for Fibrous Dysplasia. * **Monostotic vs. Polyostotic:** Monostotic (single bone) is more common in the craniofacial region. * **McCune-Albright Syndrome:** Triad of polyostotic fibrous dysplasia, café-au-lait spots (Coast of Maine borders), and precocious puberty. * **Management:** Usually conservative (observation) unless there is functional impairment or significant deformity, in which case surgical "shaving" or contouring is preferred over radical excision.

Q: A 30-year-old male presents with right-sided nasal obstruction and recurrent epistaxis. On examination, a mulberry mass with white dots is seen in the right nostril. What is true about this disease?

Should be managed by excision with cautery at the base.. **Explanation:** The clinical presentation of a **mulberry-like mass with white dots** (sporangia) in a patient with nasal obstruction and epistaxis is classic for **Rhinosporidiosis**. **1. Why Option A is Correct:** Rhinosporidiosis is highly vascular and has a high rate of recurrence. The gold standard treatment is **wide surgical excision** (usually via endonasal approach) followed by **electrocautery of the base**. Cauterization is crucial because it destroys the remaining endospores and minimizes intraoperative bleeding, significantly reducing the risk of recurrence. **2. Why the Other Options are Incorrect:** * **Option B:** While the name suggests a fungal origin, *Rhinosporidium seeberi* is actually an **aquatic parasite** (Mesomycetozoea), not a fungus. * **Option C:** **Mikulicz cells** (foamy macrophages) and Russell bodies are histological hallmarks of **Rhinoscleroma** (caused by *Klebsiella rhinoscleromatis*), not Rhinosporidiosis. Rhinosporidiosis histology shows sporangia containing thousands of endospores. * **Option D:** **Rifampicin** is used in the treatment of Rhinoscleroma or Leprosy. For Rhinosporidiosis, the only medical adjunct sometimes used to prevent recurrence is **Dapsone**, though surgery remains primary. **Clinical Pearls for NEET-PG:** * **Etiology:** Associated with bathing in stagnant pond water. * **Common Site:** Nasal septum and floor of the nose. * **Pathognomonic Sign:** "Strawberry" or "Mulberry" appearance with white dots (representing mature sporangia). * **Diagnosis:** Confirmed by biopsy showing large, thick-walled sporangia containing endospores (Gomori Methenamine Silver or H&E stain).

Question 1

Periodicity is a characteristic feature in which sinus infection?

Accepted Answer

Frontal sinus infection

Answer

Maxillary sinus infection

Answer

Sphenoid sinus infection

Answer

Ethmoid sinus infection

Question 2

CSF rhinorrhea can be seen in which type of fracture?

Accepted Answer

All of the above

Answer

Lefort 2 fracture

Answer

Lefort 3 fracture

Answer

Nasoethmoidal fracture

Question 3

What is the most common malignant tumor of the nose?

Accepted Answer

Squamous cell carcinoma

Answer

Basal cell carcinoma

Answer

Malignant melanoma

Answer

None of the above

Question 4

Which of the following statements about inverted papilloma are correct?

Accepted Answer

Can be premalignant

Answer

Is common in children

Answer

Arises from the lateral wall

Answer

Always benign

Question 5

What is the most common cause of nasal polyps in children?

Accepted Answer

Allergic rhinitis

Answer

Human papillomavirus

Answer

Inverted papilloma

Answer

Rhinosporidiosis

Question 6

A 12-year-old adolescent male presents with a unilateral mass in the nose with recurrent spontaneous bleeding. On examination, a pink mass covered with mucosa is found in the nasopharynx. Which of the following is not to be done?

Accepted Answer

Biopsy for diagnosis

Answer

CECT is done

Answer

Endoscopic surgery

Answer

Angioembolization

Question 7

Cyanosis in a newborn that disappears on crying is characteristic of which condition?

Accepted Answer

Bilateral choanal atresia

Answer

Laryngocoele

Answer

Unilateral choanal atresia

Answer

Foreign body

Question 8

Ground glass appearance of the maxillary sinus is typically seen in which of the following conditions?

Accepted Answer

Maxillary fibrous dysplasia

Answer

Maxillary Sinusitis

Answer

Maxillary Carcinoma

Answer

Maxillary polyp

Question 9

A 30-year-old male presents with right-sided nasal obstruction and recurrent epistaxis. On examination, a mulberry mass with white dots is seen in the right nostril. What is true about this disease?

Accepted Answer

Should be managed by excision with cautery at the base.

Answer

Caused by the fungus Rhinosporidium.

Answer

Biopsy shows Miculicz cells.

Answer

Rifampicin is indicated for treatment.

Question 10

Which of the following is NOT implicated in the etiology of atrophic rhinitis?

Accepted Answer

Deviated nasal septum (DNS)

Answer

Chronic sinusitis

Answer

Nasal deformity

Answer

Strong hereditary factors

Diseases of the Nose and Paranasal Sinuses — MCQs

Diseases of the Nose and Paranasal Sinuses — MCQs

On this page

Practice by Chapter

Want unlimited practice?