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| ===Background===
| | #REDIRECT[[Orbital cellulitis]] |
| *[[Orbital Cellulitis]] may mimic [[Periorbital Cellulitis]] early in its course
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| *Orbital cellullitis
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| **Most often due to ethmoid sinusitis
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| **May also be due to orbital trauma, endophthalmitis, infection from teeth / middle ear
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| **Not caused by extension of preriorbital cellulitis
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| *Periorbital cellulitis
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| **Most often due to contiguous infection of soft tissues of face and eyelids
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| ==Concerning features for [[Orbital Cellulitis]]==
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| #Fever
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| #Ill appearance
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| #Blurred vision
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| #Proptosis
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| #Painful/limited EOM
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| #Diplopia
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| #Edema of optic disk
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| #Venous engorgement of retina
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| ==See Also==
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| *[[Orbital Cellulitis]]
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| *[[Periorbital Cellulitis]]
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| *[[Periorbital Swelling]]
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| ==Source==
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| *UpToDate
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| *Tintinalli
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| [[Category:ID]]
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| [[Category:Ophtho]]
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