Which of the following helps to differentiate between orbital infection and inflammation?

proptosis
pain with eye movements
presence of sinus disease
sudden onset
erythema

Correct Answer: presence of sinus disease

Proptosis, pain with eye movements, sudden onset and erythema are characteristics of both orbital infection AND inflammation. The most common cause of orbital cellulitis or infection is adjacent sinus disease.

A Hollenhorst plaque is composed of:
1. calcium
2. fibrin
3. bacteria
4. cholesterol
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The most appropriate test to obtain for this patient is:
1. Blood pressure measurement
2. ANA
3. Chest X-ray
4. CD4 count
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A patient with the fundus lesion shown is at risk for developing:
1. cystoid macular edema
2. choroidal neovascularization
3. retinal detachment
4. hypotony maculopathy
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The most likely diagnosis is:
1. traction retinal detachment
2. tigroid fundus
3. epiretinal membrane
4. thyroid-related ophthalmopathy
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The vitreous particles of asteroid hyalosis are composed of:
1. hyaline
2. cholesterol
3. calcium
4. amyloid
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The most likely diagnosis is:
1. traction retinal detachment
2. tigroid fundus
3. epiretinal membrane
4. thyroid-related ophthalmopathy
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