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Emergency: requires immediate attention
Orbital cellulitis - External and Internal Eye
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Emergency: requires immediate attention

Orbital cellulitis - External and Internal Eye

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Contributors: Brandon D. Ayres MD, Christopher Rapuano MD, Harvey A. Brown MD, Sunir J. Garg MD, Lauren Patty Daskivich MD, MSHS
Other Resources UpToDate PubMed

Synopsis

Orbital cellulitis is an infection of the soft tissues of the orbit posterior to the orbital septum that occurs as a result of the spread of a nearby infection, trauma, or hematogenous bacterial dissemination. Therefore, predisposing factors include local eyelid infections (hordeola, dacryocystitis), sinusitis, upper respiratory tract infections, dental infections, otitis media, and eye trauma (insect bites, etc). It is more common in children but can be seen in any age group. It presents clinically as eyelid erythema and edema with signs of orbital involvement. There may be associated fever, headache, nasal discharge, malaise, or chemosis of the conjunctiva. The most common causative organisms are Staphylococcus and Streptococcus species, although fungi such as Mucor and Aspergillus may cause orbital cellulitis. The rate of this disease attributable to Haemophilus influenzae type b has dropped considerably since introduction of a vaccine.

The complications of orbital cellulitis include permanent vision loss, orbital abscesses, cavernous sinus thrombosis, meningitis, and cerebral abscesses.

Orbital cellulitis is a medical emergency and, therefore, must be distinguished from the milder preseptal cellulitis and other causes of eyelid erythema and edema. Signs of orbital involvement, such as proptosis and ophthalmoplegia, will be present.

Codes

ICD10CM:
H05.019 – Cellulitis of unspecified orbit

SNOMEDCT:
194005002 – Orbital Cellulitis

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Last Updated: 07/09/2013
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Emergency: requires immediate attention
Orbital cellulitis - External and Internal Eye
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View all Images (10)
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Orbital cellulitis : Eye pain, Fever, Diplopia, Periorbital edema, Unilateral, Vision loss, Proptosis, Elevated intraocular pressure
Clinical image of Orbital cellulitis
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