27 Questions
What is the most common predisposing factor for acute rhinosinusitis?
Pre-existing rhinitis
Which sinuses are clinically the most commonly affected in acute rhinosinusitis?
Maxillary and sphenoid sinuses
What is the usual causative organism in acute rhinosinusitis?
Haemophilus influenzae
What is the characteristic facial pain associated with acute rhinosinusitis?
Pain around the eyes
What is the recommended medical treatment in the acute stages of acute rhinosinusitis?
Broad-spectrum antibiotics
When are investigations such as CT scans of paranasal sinuses rarely necessary in the management of acute rhinosinusitis?
When complications of acute sinusitis are suspected
Which of the following is a typical finding of cavernous sinus thrombophlebitis?
Bilateral eye pain and vision impairment
What is the common treatment for cavernous sinus thrombophlebitis?
Anticoagulation therapy
Which condition may lead to cavernous sinus thrombophlebitis as a complication?
Chronic invasive fungal rhinosinusitis
What distinguishes cavernous sinus thrombophlebitis from orbital cellulitis?
+_ impaired extraocular muscles (EOM)
What is the typical presentation of cavernous sinus thrombophlebitis?
Severe exophthalmos, chemosis, complete ophthalmoplegia, and visual impairment
What is the appropriate management for cavernous sinus thrombophlebitis?
Intravenous antibiotics and anticoagulation therapy
What distinguishes cavernous sinus thrombophlebitis from preseptal cellulitis?
+_ impaired vision
In cavernous sinus thrombophlebitis, which of the following is commonly found?
+_ proptosis
What distinguishes cavernous sinus thrombophlebitis from subperiosteal abscess?
+_ swollen eyelids and normal vision
What is a distinguishing feature of cavernous sinus thrombophlebitis compared to orbital abscess?
+_ exophthalmos, chemosis, ophthalmoplegia, and visual impairment common
What differentiates cavernous sinus thrombophlebitis from osteomyelitis?
Impaired extraocular muscles (EOM)
Which symptom differentiates cavernous sinus thrombophlebitis from mucocoeles?
Swollen eyelids and normal vision
Which type of sinusitis may lead to the formation of a pyocoele if superadded with infection?
Chronic invasive fungal rhinosinusitis
What is the most extensive and dangerous type of osteomyelitis in the sinuses?
Frontal bone osteomyelitis in adolescents and adults
Which imaging techniques are used to illustrate the extent of osteomyelitis in the sinuses and to exclude intracranial complications?
High-resolution CT scan and MRI
Which condition may develop when the outlet from the sinus becomes permanently blocked?
Mucocoeles
What is the typical finding in orbital cellulitis?
Diffuse orbital edema; impaired EOM; normal vision
Which type of fungal sinusitis is characterized by a crumbly, dirt-like mass in the sinus?
Fungal ball sinusitis
What is the treatment for isolated sinus disease with a crumbly, dirt-like mass (fungal ball) in the sinus?
Oral and nasal corticosteroids
Which condition presents with an accumulation of sterile mucous that becomes increasingly viscous?
Mucocoeles
Which type of sinusitis is characterized by unilateral or bilateral polyposis and tenacious allergic mucin?
Allergic fungal sinusitis
Test your knowledge on the indications and pathology of Functional Endoscopic Sinus Surgery (FESS) for chronic rhinosinusitis. Explore the pathogens involved and the pathological changes in the nasal and sinus lining for over 3 months.
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