Diseases of the Nose and Paranasal Sinuses Practice Questions

Q: Lynch-Howarth surgery is for:

Sinonasal tumors. ***Sinonasal tumors*** - The Lynch-Howarth incision (also known as the **external ethmoidectomy approach** or **Lynch incision**) is a surgical approach specifically used for accessing and resecting **lesions of the ethmoid and frontal sinuses**, which commonly include sinonasal tumors. - It provides direct exposure to the **ethmoid labyrinth**, **medial orbit**, and **frontal sinus floor**. *Otosclerosis* - Otosclerosis is a disease of the **ossicles in the middle ear** that causes progressive conductive hearing loss. - The standard surgical treatment for otosclerosis is **stapedectomy** or **stapedotomy**, which involves replacing a portion of the stapes bone. *Nasal septal perforation* - A nasal septal perforation is a hole in the **nasal septum**. - Surgical repair typically involves various **flap techniques** (e.g., mucoperichondrial flaps) to cover the defect, not the Lynch-Howarth approach. *Acoustic neuroma* - An acoustic neuroma (vestibular schwannoma) is a **benign tumor of the eighth cranial nerve**. - Surgical removal typically involves **translabyrinthine**, **retrosigmoid**, or **middle fossa** approaches, none of which utilize the Lynch-Howarth incision.

Q: Tumor arising from olfactory nasal mucosa is

Esthesioneuroblastoma. ***Esthesioneuroblastoma*** - **Esthesioneuroblastoma**, also known as olfactory neuroblastoma, is a rare malignant tumor that originates from the **neuroectodermal cells** of the olfactory epithelium in the nasal cavity. - It arises specifically from the **olfactory nasal mucosa**, which is responsible for the sense of smell. *Nasopharyngeal carcinoma* - This is a cancer that originates in the **nasopharynx**, the upper part of the pharynx behind the nose, not directly from the olfactory mucosa. - It is strongly associated with **Epstein-Barr virus (EBV) infection** and squamous cell histology. *Nasal glioma* - A nasal glioma is a **benign congenital lesion** consisting of mature glial tissue, typically not arising from the olfactory mucosa. - It is a **developmental rest** of brain tissue that has herniated outside the cranium, often presenting as a mass on the nose. *Adenoid cystic carcinoma* - This is a malignant tumor primarily affecting **glandular tissues**, such as salivary glands, but can occur in the nasal cavity as well. - It originates from the **minor salivary glands** or seromucinous glands within the nasal cavity, not specifically from the olfactory neuroepithelium.

Q: Treatment of choice for antrochoanal polyp in a 10-year-old child-

Intranasal polypectomy. ***Intranasal polypectomy*** - **Intranasal polypectomy**, particularly via **endoscopic sinus surgery**, is the preferred treatment for antrochoanal polyps in children due to its minimally invasive nature and ability to ensure complete removal of the polyp's antral component. - This approach allows for direct visualization and removal of the polyp, including its origin from the **maxillary sinus ostium**, which is crucial to prevent recurrence. *Caldwell luc's* - The Caldwell-Luc procedure is a more invasive technique that involves creating an antrostomy through the anterior wall of the maxillary sinus. - It is associated with higher morbidity, including potential for **facial swelling**, **nerve damage**, and **dental complications**, making it less favored, especially in children, for antrochoanal polyps. *Exploratory rhinotomy* - **Exploratory rhinotomy** is a highly invasive surgical approach typically reserved for extensive or malignant sinonasal tumors. - It is an overly aggressive and unnecessary procedure for a benign condition like an antrochoanal polyp. *Conservative treatment till 16 years* - Antrochoanal polyps cause symptoms like **nasal obstruction** and potential ostial blockage, leading to sinus infections. - Delaying treatment is not advisable as it can lead to chronic symptoms, impaired quality of life, and potential complications from untreated sinus disease.

Q: Which of the following surgeries is not contraindicated below 12 years of age?

FESS. ***FESS*** - **Functional Endoscopic Sinus Surgery (FESS)** is often indicated in children below 12 years with **chronic rhinosinusitis** or frequent **acute exacerbations** unresponsive to medical therapy. - Delaying FESS in appropriate cases can lead to recurrent infections, impacting quality of life and potentially growth. *SMR* - **Submucous Resection (SMR)** is generally avoided in children below 17-18 years of age due to the continued **growth of the nasal septum**. - Performing SMR too early can interfere with the **midfacial growth centers**, potentially leading to deformities. *Rhinoplasty* - **Rhinoplasty**, a cosmetic procedure to reshape the nose, is contraindicated in children due to the ongoing **development of facial bones and cartilage**. - Early rhinoplasty can disrupt growth and lead to unsatisfactory and potentially disfiguring results as the child matures. *Septoplasty* - **Septoplasty**, while sometimes necessary for severe septal deviation, is generally deferred until **nasal growth is complete** (typically after age 16-17). - Early septoplasty may disrupt the **septal growth plates**, leading to a saddle nose deformity or other nasal growth disturbances.

Q: Subdural empyema is a complication of all the following conditions except?

Boil over face. The enriched explanation for the question is as follows: ***Boil over face*** - A **facial boil** (furuncle) is typically a superficial skin infection that, while potentially serious, is **less likely to directly lead to subdural empyema** compared to infections of deeper structures or bones adjacent to the brain. - While local spread is possible, the direct anatomical pathways for subdural involvement are not as pronounced as with other listed conditions. *Skull vault osteomyelitis* - **Osteomyelitis of the skull vault** can directly extend to the intracranial space, as the dura mater adheres closely to the inner table of the skull. [1] - Infection can erode through the bone, leading to a **subdural collection of pus**. *Frontal Sinusitis* - **Frontal sinusitis** is a common cause of subdural empyema, especially in adolescents and young adults, due to the thin posterior wall of the frontal sinus. [1] - The infection can spread through **direct extension** or via **valveless emissary veins** connecting the sinus mucosa to the intracranial venous system. *Middle ear disease* - **Chronic otitis media** and **mastoiditis** can lead to intracranial complications, including subdural empyema, through direct spread or via venous thrombophlebitis. - Infection can erode the tegmen tympani or mastoid air cells, allowing pus to collect in the **subdural space**.

Q: True regarding rhinitis medicamentosa is/are?

Caused by adrenergic agonist decongestants. ***Caused by adrenergic agonist decongestants*** - **Rhinitis medicamentosa** is a condition of nasal congestion caused by the overuse of topical **alpha-adrenergic agonist decongestant** nasal sprays like oxymetazoline or phenylephrine (NOT beta-agonists). - These decongestants cause **vasoconstriction**, and their prolonged use (typically >5-7 days) leads to a **rebound phenomenon** of vasodilation and worsening congestion. - This is the PRIMARY and DEFINING characteristic of rhinitis medicamentosa. *Caused by beta-agonist sprays* - Beta-agonist sprays are primarily used in the treatment of **asthma** and act on beta-adrenergic receptors in the bronchi. - They do **NOT** cause rhinitis medicamentosa, which is specifically linked to **alpha-adrenergic agonists** in the nasal mucosa. **Prolonged spray use can cause turbinate hypertrophy** - This statement is **ALSO MEDICALLY ACCURATE** - chronic use of topical decongestants leads to **mucosal edema, inflammation, and eventually structural turbinate hypertrophy**. - The pathophysiology involves chronic vasodilation, mucosal inflammation, and eventual fibrosis. - However, the PRIMARY defining feature remains the medication-induced rebound congestion from alpha-agonists. **There is inferior turbinate hypertrophy** - **Inferior turbinate hypertrophy** is indeed a **COMMON CLINICAL FINDING** in rhinitis medicamentosa on nasal endoscopy. - The chronic congestion and inflammation lead to bilateral inferior turbinate enlargement with pale, boggy mucosa. - However, this is a SECONDARY finding/complication rather than the PRIMARY defining characteristic. **NOTE:** Both turbinate hypertrophy statements are medically accurate features of rhinitis medicamentosa. The primary/most specific answer is the etiology (alpha-adrenergic agonist decongestants).

Q: Alarm clock headache is:

Sphenopalatine neuralgia.. ***Sphenopalatine neuralgia*** - Also known as **Sluder's neuralgia**, it is characterized by **severe, sudden onset facial pain** centered around the orbit, nose, and upper jaw, which can wake a patient from sleep, hence "alarm clock headache." - This condition is believed to involve the **sphenopalatine ganglion** and is often accompanied by autonomic symptoms like **lacrimation** and **rhinorrhea** [1]. *Glossopharyngeal neuralgia* - This condition causes **severe, sharp pain** in the **throat, tonsil, ear, or tongue**, often triggered by swallowing or coughing. - While excruciating, it does not typically present as a "headache" in the orbital/facial distribution characteristic of sphenopalatine neuralgia. *Auriculotemporal neuralgia* - Characterized by burning pain in the **auriculotemporal nerve distribution**, which includes the temple, preauricular area, and external auditory canal. - This pain is often exacerbated by chewing or jaw movement and is not typically associated with waking the patient from sleep in an "alarm clock" pattern. *Occipital neuralgia* - Involves paroxysmal, stabbing pain in the distribution of the **greater and lesser occipital nerves**, which means the back of the head and upper neck. - Pain is often unilateral and can be triggered by neck movements but is distinct from the facial and orbital pain of sphenopalatine neuralgia.

Q: FESS means:

Functional endoscopic sinus surgery. ***Functional endoscopic sinus surgery*** - **FESS** is a minimally invasive surgical technique used to treat **chronic sinusitis** and other sinus conditions. - The goal of FESS is to restore normal sinus function and ventilation by removing obstructions and diseased tissue. *Flexible endoscopic sinus surgery* - This term is incorrect; while FESS uses endoscopes, they are generally rigid, not flexible, for better visualization and instrumentation. - **Flexible endoscopes** are more commonly used for procedures like bronchoscopy or colonoscopy. *Fibroscopic endoscopic sinus surgery* - The term **fibroscopic** is typically associated with scopes employing fiber optics but is not the correct full form of the acronym FESS. - This option incorrectly modifies the standard medical terminology for this procedure. *Frontal endoscopic sinus surgery* - While FESS can be performed on the **frontal sinuses**, this option is too specific and does not represent the complete and correct expansion of the acronym. - FESS encompasses procedures on all paranasal sinuses, not just the frontal sinus.

Q: Young's surgery is done for the treatment of?

Atrophic rhinitis. ***Atrophic rhinitis*** - **Young's surgery** is a procedure specifically designed to treat severe cases of **atrophic rhinitis**, aiming to narrow the nasal cavities and promote mucosal healing. - The surgery involves **closing the nostrils** partially or completely, often in two stages, to reduce airflow and dryness. *Rhinoscleroma* - This is a **chronic granulomatous infection** of the nose and upper respiratory tract caused by *Klebsiella rhinoscleromatis*. - Treatment primarily involves **antibiotics** like ciprofloxacin or tetracycline, and sometimes surgical debulking, not Young's surgery. *Deviated nasal septum* - A **deviated nasal septum** (DNS) is a structural abnormality where the wall between the nostrils is off-center. - The standard surgical correction for DNS is **septoplasty**, which reshapes or repositions the septum. *Choanal atresia* - **Choanal atresia** is a congenital malformation where the back of the nasal passage (choana) is blocked, usually by bone or soft tissue. - Surgical correction typically involves **transnasal endoscopic drilling** or other approaches to create an opening.

Q: Most common fractured facial bone

Nasal bone. ***Nasal bone*** - The **nasal bone** is the **most commonly fractured facial bone** due to its prominent and anterior position on the face. - Its relatively thin and delicate structure makes it highly susceptible to direct trauma, especially during sports injuries, falls, or assaults. *Nasoethmoid bone* - Fractures of the **nasoethmoid complex** are serious but less frequent than isolated nasal bone fractures, often resulting from high-impact trauma. - These fractures typically involve the **nasal bones**, **ethmoid sinuses**, and sometimes the medial orbital walls, leading to complex midfacial injuries. *Zygomatic bone* - The **zygomatic bone (cheekbone)** is the second most commonly fractured facial bone, but not the first. - Zygomatic fractures often occur from direct blows to the cheek but require more force than nasal bone fractures due to its sturdier structure. *Mandible* - The **mandible (jawbone)** is a robust bone, and while mandibular fractures are common facial injuries, they are secondary to nasal bone fractures in terms of frequency. - Mandibular fractures often result from significant force, such as motor vehicle accidents or direct blows to the jaw.

Question 1

Lynch-Howarth surgery is for:

Accepted Answer

Sinonasal tumors

Answer

Otosclerosis

Answer

Nasal septal perforation

Answer

Acoustic neuroma

Question 2

Tumor arising from olfactory nasal mucosa is

Accepted Answer

Esthesioneuroblastoma

Answer

Nasopharyngeal carcinoma

Answer

Nasal glioma

Answer

Adenoid cystic carcinoma

Question 3

Treatment of choice for antrochoanal polyp in a 10-year-old child-

Accepted Answer

Intranasal polypectomy

Answer

Caldwell luc's

Answer

Exploratory rhinotomy

Answer

Conservative treatment till 16 years

Question 4

Which of the following surgeries is not contraindicated below 12 years of age?

Accepted Answer

FESS

Answer

SMR

Answer

Rhinoplasty

Answer

Septoplasty

Question 5

Subdural empyema is a complication of all the following conditions except?

Accepted Answer

Boil over face

Answer

Skull vault osteomyelitis

Answer

Frontal Sinusitis

Answer

Middle ear disease

Question 6

True regarding rhinitis medicamentosa is/are?

Accepted Answer

Caused by adrenergic agonist decongestants

Answer

Caused by beta-agonist sprays

Answer

Prolonged spray use can cause turbinate hypertrophy

Answer

There is inferior turbinate hypertrophy

Question 7

Alarm clock headache is:

Accepted Answer

Sphenopalatine neuralgia.

Answer

Glossopharyngeal neuralgia.

Answer

Auriculotemporal neuralgia.

Answer

Occipital neuralgia.

Question 8

FESS means:

Accepted Answer

Functional endoscopic sinus surgery

Answer

Flexible endoscopic sinus surgery

Answer

Fibroscopic endoscopic sinus surgery

Answer

Frontal endoscopic sinus surgery

Question 9

Young's surgery is done for the treatment of?

Accepted Answer

Atrophic rhinitis

Answer

Rhinoscleroma

Answer

Deviated nasal septum

Answer

Choanal atresia

Question 10

Most common fractured facial bone

Accepted Answer

Nasal bone

Answer

Nasoethmoid bone

Answer

Zygomatic bone

Answer

Mandible

Diseases of the Nose and Paranasal Sinuses — MCQs

Diseases of the Nose and Paranasal Sinuses — MCQs

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