Diseases of the Nose and Paranasal Sinuses Practice Questions

Q: Inverted papilloma is characterized by all of the following except?

Seen more often in females. **Explanation:** Inverted Papilloma (also known as Ringertz tumor) is a benign but locally aggressive neoplasm of the nasal cavity. **1. Why Option B is the correct answer (The "Except"):** Inverted papilloma shows a strong **male predominance**, typically affecting men in the **40–60 year** age group with a ratio of approximately **3:1**. Therefore, the statement that it is seen more often in females is incorrect. **2. Analysis of other options:** * **Option A (Schneiderian Papilloma):** This is the correct synonymous term. The nasal cavity and paranasal sinuses are lined by Schneiderian membrane (ectodermal origin). There are three types of Schneiderian papillomas: Inverted (most common), Fungiform (exophytic), and Oncocytic. * **Option C (Epistaxis and Nasal Obstruction):** These are the classic presenting symptoms. Patients typically present with **unilateral** nasal obstruction, often accompanied by serosanguinous discharge or epistaxis. * **Option D (Lateral wall of the nose):** This is the most common site of origin, specifically the **middle meatus** or the ethmoid sinus. From here, it may secondarily involve the maxillary sinus. **Clinical Pearls for NEET-PG:** * **Histopathology:** Characterized by the inward proliferation of surface epithelium into the underlying stroma (hence "inverted") with an intact basement membrane. * **Malignant Potential:** It is associated with **Squamous Cell Carcinoma** in about 5–15% of cases. * **Recurrence:** It has a high recurrence rate, necessitating wide surgical excision (usually via **Endoscopic Sinus Surgery** or Medial Maxillectomy). * **Radiology:** On CT, it often shows a unilateral soft tissue mass with focal bony destruction or hyperostosis at the site of origin.

Q: Recurrent epistaxis is not a common feature of which of the following conditions?

Nasal polyps. **Explanation:** The correct answer is **Nasal polyps**. **1. Why Nasal Polyps is the correct answer:** Nasal polyps (specifically ethmoidal polyps) are non-neoplastic, edematous hypertrophies of the sinus mucosa. They are characterized by being **painless, pearly white, and remarkably avascular**. Because they lack a significant blood supply and are not prone to surface ulceration, they typically present with nasal obstruction and anosmia rather than bleeding. If a "polypoid" mass bleeds on touch, a clinician should immediately suspect a more vascular pathology like an inverted papilloma or malignancy. **2. Why the other options are incorrect:** * **Deviated Nasal Septum (DNS):** A sharp bony spur in DNS can stretch the overlying mucosa, making it thin and prone to drying. This leads to crusting and subsequent bleeding when the crusts detach (often from the convex side). * **Atrophic Rhinitis:** This condition involves progressive atrophy of the nasal mucosa and turbinates. The characteristic foul-smelling "blackish-green" crusts are firmly adherent; when they are dislodged, they leave behind a raw, bleeding surface. * **Maxillary Carcinoma:** Malignancy is characterized by neoangiogenesis and tissue necrosis. A friable, ulcerated mass in the maxillary sinus frequently presents with blood-stained nasal discharge or frank epistaxis. **Clinical Pearls for NEET-PG:** * **Ethmoidal Polyps:** Usually bilateral, associated with allergy/asthma (Samter’s Triad), and **rarely bleed**. * **Antrochoanal Polyps:** Usually unilateral, arise from the maxillary sinus, and also do not typically cause epistaxis. * **Bleeding Polypus of Septum:** Despite the name, this is actually a **capillary hemangioma** (not a true polyp) and is a notorious cause of epistaxis. * **Rule of Thumb:** Any unilateral, friable nasal mass that bleeds on touch in an elderly patient must be considered **Malignancy** until proven otherwise.

Q: A child presents with recurrent epistaxis following a fall. Examination reveals a septal hematoma. What is the appropriate management for a septal hematoma?

Incision and drainage. **Explanation:** **Septal hematoma** is a collection of blood between the nasal septal cartilage and its overlying mucoperichondrium, usually following trauma. **Why Option A is Correct:** The management of choice is **immediate incision and drainage (I&D)**. The septal cartilage depends entirely on the overlying perichondrium for its blood supply (via diffusion). A hematoma creates a physical barrier that strips the perichondrium away, leading to **avascular necrosis** of the cartilage. If left untreated, this results in a **Saddle Nose Deformity** or a septal abscess. Following drainage, bilateral nasal packing is essential to prevent re-accumulation of blood. **Why Other Options are Incorrect:** * **B. Observation:** This is contraindicated. Delay in treatment leads to irreversible cartilage destruction within 48–72 hours. * **C. Pressure bandage:** While pressure is needed post-drainage (via nasal packing), a simple external pressure bandage cannot evacuate the internal collection or prevent necrosis. * **D. Topical antibiotic ointment:** While systemic antibiotics are given to prevent secondary infection (septal abscess), topical ointment alone does not address the mechanical pressure of the hematoma. **High-Yield Clinical Pearls for NEET-PG:** * **Clinical Sign:** A soft, fluctuant, reddish/purplish bulge on the septum that does not shrink with topical vasoconstrictors (unlike turbinate hypertrophy). * **Complications:** 1. Septal Abscess (most common early complication), 2. Saddle Nose Deformity (due to necrosis of the *cartilaginous* vault), 3. Septal perforation. * **Site of Incision:** A small horizontal/hemitransfixion incision is made at the most dependent part.

Q: Which investigation is the investigation of choice for recurrent sinusitis?

CT scan. **Explanation:** The investigation of choice for recurrent or chronic sinusitis is a **Non-Contrast Computed Tomography (NCCT) of the Paranasal Sinuses (PNS)**. **1. Why CT Scan is the Correct Answer:** CT is considered the "gold standard" because it provides superior bony detail and anatomical resolution. It is essential for evaluating the **Osteomeatal Complex (OMC)**, the critical area where the maxillary, ethmoid, and frontal sinuses drain. In recurrent sinusitis, CT helps identify anatomical variations (e.g., deviated nasal septum, Concha bullosa, or Haller cells) that predispose a patient to repeated infections. It is also the mandatory "road map" used by surgeons before performing Functional Endoscopic Sinus Surgery (FESS). **2. Why Other Options are Incorrect:** * **X-ray PNS (Waters and Caldwell views):** While historically used for screening acute sinusitis (showing air-fluid levels), they are inadequate for recurrent cases. They suffer from the superimposition of bony structures and cannot visualize the ethmoid air cells or the OMC effectively. * **MRI:** While MRI is excellent for soft tissue, it is not the first-line investigation for routine recurrent sinusitis. It is reserved for suspected **complications**, such as intracranial extension, orbital cellulitis, or fungal sinusitis (where it shows a characteristic "signal void"). **Clinical Pearls for NEET-PG:** * **Best View for Maxillary Sinus:** Waters View (Occipitomental). * **Best View for Frontal Sinus:** Caldwell View (Occipitofrontal). * **Most common sinus involved in adults:** Maxillary sinus. * **Most common sinus involved in children:** Ethmoid sinus. * **Investigation of choice for Fungal Sinusitis:** MRI (to check for dural invasion).

Q: A two-year-old child with a history of purulent nasal discharge and fever presents with conjunctival congestion and edema. His temperature is 102-103°F and WBC count is 12,000/mm³. The culture of eye discharge was negative. X-ray shows opacification of the ethmoid sinus. Which of the following should be the next step in evaluating this patient?

CT scan. **Explanation:** The clinical presentation of a young child with fever, purulent nasal discharge, and ethmoid sinus opacification, now progressing to conjunctival congestion and edema, is highly suggestive of **Orbital Complications of Acute Sinusitis**. In children, the ethmoid sinus is the most commonly involved sinus due to its proximity to the orbit, separated only by the thin *lamina papyracea*. **Why CT Scan is the correct next step:** The primary goal is to differentiate between **Preseptal Cellulitis** (managed medically) and **Orbital Cellulitis/Abscess** (which may require surgical intervention). A **Contrast-Enhanced CT (CECT) of the Paranasal Sinuses and Orbit** is the gold standard investigation. It helps identify the stage of the disease (Chandler’s Classification), detects subperiosteal abscesses, and guides surgical planning if drainage is required. **Analysis of Incorrect Options:** * **B & C (Urine/Blood Culture):** While blood cultures are often performed in febrile children, they are not the immediate "next step" to evaluate the anatomical extent of an orbital emergency. Urine culture is irrelevant to a localized ENT infection. * **D (Repeat Eye Culture):** Eye discharge cultures are frequently negative because the infection is deep to the conjunctiva (within the orbital tissues). Repeating a negative test delays life-saving imaging. **NEET-PG Clinical Pearls:** * **Chandler’s Classification:** Stage I (Preseptal), Stage II (Orbital Cellulitis), Stage III (Subperiosteal Abscess), Stage IV (Orbital Abscess), Stage V (Cavernous Sinus Thrombosis). * **Red Flags:** Proptosis, restricted extraocular movements, and loss of vision indicate progression beyond Stage I and necessitate urgent CT. * **Most common sinus involved:** Ethmoid (in children); Frontal (in adults).

Q: What is the most common site of osteoma?

Frontal sinus. **Explanation:** **Osteoma** is the most common benign tumor of the paranasal sinuses. It is a slow-growing, encapsulated, and highly differentiated bone tumor. **Why Frontal Sinus is Correct:** The **frontal sinus** is the most common site for paranasal sinus osteomas (accounting for approximately 75–80% of cases), followed by the ethmoid sinus. These tumors typically arise at the junction of the ethmoid and frontal bones. Most are asymptomatic and discovered incidentally on imaging, though they can cause symptoms if they obstruct the frontonasal duct, leading to frontal sinusitis or a mucocele. **Why Other Options are Incorrect:** * **Ethmoid Sinus:** This is the second most common site. While frequent, it occurs significantly less often than in the frontal sinus. * **Maxillary Sinus:** Osteomas in the maxillary sinus are relatively rare compared to the frontal and ethmoid regions. * **Sphenoid Sinus:** This is the least common site for an osteoma. **Clinical Pearls for NEET-PG:** * **Gardner’s Syndrome:** If a patient presents with multiple osteomas (especially of the mandible), always consider Gardner’s Syndrome (a triad of colonic polyposis, soft tissue tumors, and multiple osteomas). * **Radiological Appearance:** On CT, they appear as a characteristic "ivory-hard," well-circumscribed, densely radiopaque mass. * **Management:** Small, asymptomatic osteomas are managed by observation ("wait and watch"). Surgical excision (e.g., Lynch-Howarth or endoscopic approach) is indicated only if the tumor is symptomatic, enlarging, or causing complications like mucocele or proptosis.

Question 1

Inverted papilloma is characterized by all of the following except?

Accepted Answer

Seen more often in females

Answer

Also called as schneiderian papilloma

Answer

Presents with epistaxis and nasal obstruction

Answer

Originates from the lateral wall of the nose

Question 2

A 32-year-old male presents with swelling in the left maxillary region and a feeling of heaviness in the maxillary sinus one week after extraction of the maxillary first molar via a transalveolar approach. Considering the symptoms, how do mucolytics aid in managing this condition?

Accepted Answer

All of the above

Answer

Reducing mucus stasis

Answer

Reducing the growth of gram-negative bacteria

Answer

Promoting aeration in the maxillary sinus

Question 3

Recurrent epistaxis is not a common feature of which of the following conditions?

Accepted Answer

Nasal polyps

Answer

Deviated Nasal Septum (DNS)

Answer

Atrophic rhinitis

Answer

Maxillary carcinoma

Question 4

A child presents with recurrent epistaxis following a fall. Examination reveals a septal hematoma. What is the appropriate management for a septal hematoma?

Accepted Answer

Incision and drainage

Answer

Observation

Answer

Pressure bandage

Answer

Topical antibiotic ointment

Question 5

Which investigation is the investigation of choice for recurrent sinusitis?

Accepted Answer

CT scan

Answer

MRI

Answer

X-ray PNS Waters view

Answer

X-ray PNS Cadwells view

Question 6

Which of the following arteries is NOT ligated in a case of epistaxis?

Accepted Answer

Internal carotid artery

Answer

Anterior ethmoidal artery

Answer

Maxillary artery

Answer

External carotid artery

Question 7

Which of the following statements is NOT true about a mucocele?

Accepted Answer

The orbit is pushed backwards and downwards in a frontal sinus mucocele

Answer

Most common in the frontal sinus

Answer

Complication of chronic sinusitis

Answer

In ethmoid sinus mucocele, the orbit is pushed laterally

Question 8

A two-year-old child with a history of purulent nasal discharge and fever presents with conjunctival congestion and edema. His temperature is 102-103°F and WBC count is 12,000/mm³. The culture of eye discharge was negative. X-ray shows opacification of the ethmoid sinus. Which of the following should be the next step in evaluating this patient?

Accepted Answer

CT scan

Answer

Urine culture

Answer

Blood culture

Answer

Repeat culture of eye discharge

Question 9

What is the most common site of osteoma?

Accepted Answer

Frontal sinus

Answer

Maxillary sinus

Answer

Ethmoid sinus

Answer

Sphenoid sinus

Question 10

For juvenile angiofibroma confined to the nasal cavity, what is the preferred surgical approach?

Accepted Answer

Transnasal endoscopic

Answer

Transpalatal

Answer

Lateral rhinotomy

Answer

Transmaxillary

Diseases of the Nose and Paranasal Sinuses — MCQs

Diseases of the Nose and Paranasal Sinuses — MCQs

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