eMedicine Specialties > Ophthalmology > Conjunctiva
Keratoconjunctivitis, Epidemic: Differential Diagnoses & Workup
Updated: Jan 7, 2008
- Overview
- Differential Diagnoses & Workup
- Treatment & Medication
- Follow-up
- Multimedia
Differential Diagnoses
| Conjunctivitis, Acute Hemorrhagic | Corneal Abrasion |
| Conjunctivitis, Allergic | Herpes Simplex |
| Conjunctivitis, Bacterial | Onchocerciasis |
| Conjunctivitis, Viral | Trachoma |
| Contact Lens Complications |
Other Problems to Be Considered
Differential diagnosis of acute follicular conjunctivitis includes the following:
Epidemic keratoconjunctivitisPharyngoconjunctival fever
Acute trachoma
Acute inclusion conjunctivitis
Primary herpes simplex conjunctivitis
Acute hemorrhagic conjunctivitis
Infectious mononucleosis
Neonatal inclusion conjunctivitisDifferential diagnosis of subepithelial corneal opacities includes the following:Epidemic keratoconjunctivitis
Herpes simplex infection
Herpes zoster infection
Infectious mononucleosis
Epstein-Barr virus infection
Dimmer keratitis
Brucellosis
Workup
Laboratory Studies
- A diagnosis is routinely based on the characteristic clinical features.
- A simple way to diagnose EKC is by conjunctival cytology with Giemsa stain to look for intranuclear inclusions and lymphocytes.
- To confirm the diagnosis, viral culture is the criterion standard. Use a human epithelial cell line and a Chlamydia transport media.
- Other available diagnostic methods include fluorescent antibody techniques, Adenoclone or enzyme immune assay, complement fixation, and polymerase chain reaction (PCR).
More on Keratoconjunctivitis, Epidemic |
| Overview: Keratoconjunctivitis, Epidemic |
Differential Diagnoses & Workup: Keratoconjunctivitis, Epidemic |
| Treatment & Medication: Keratoconjunctivitis, Epidemic |
| Follow-up: Keratoconjunctivitis, Epidemic |
| Multimedia: Keratoconjunctivitis, Epidemic |
| References |
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References
Romanowski EG, Yates KA, Gordon YJ. Antiviral prophylaxis with twice daily topical cidofovir protects against challenge in the adenovirus type 5/New Zealand rabbit ocular model. Antiviral Res. Dec 2001;52(3):275-80. [Medline].
Hillenkamp J, Reinhard T, Ross RS, Bohringer D, Cartsburg O, Roggendorf M, et al. The effects of cidofovir 1% with and without cyclosporin a 1% as a topical treatment of acute adenoviral keratoconjunctivitis: a controlled clinical pilot study. Ophthalmology. May 2002;109(5):845-50. [Medline].
Kaufman HE, Barron BA, McDonald MB. Nonherpetic viral infections. Cornea. 1998;303-6.
Krashmer JH, Mannis MJ, Holland E. Conjunctivitis: an overview and classification, viral conjunctivitis. Cornea. 2005;601-612, 629-634.
Leibowitz HM, Waring GO. Superficial punctate keratopathy. In: Clinical Disorders: Clinical Diagnosis and Management. 1998:445-7.
Romanowski EG, Gordon YJ, Araullo-Cruz T, Yates KA, Kinchington PR. The antiviral resistance and replication of cidofovir-resistant adenovirus variants in the New Zealand White rabbit ocular model. Invest Ophthalmol Vis Sci. Jul 2001;42(8):1812-5. [Medline].
Sambursky R, Tauber S, Schirra F, Kozich K, Davidson R, Cohen EJ. The RPS adeno detector for diagnosing adenoviral conjunctivitis. Ophthalmology. Oct 2006;113(10):1758-64. [Medline].
Smolin G, Thoft RA. Viral keratitis and conjunctivitis. In: Cornea: Scientific Foundations and Clinical Practice. 2005:359-364.
Sutphin JE, et al. Viral infections. In: Section 8. AAO Basic and Clinical Science Course. 2006:157-160.
Duane's Clinical Ophthalmology on CD-ROM [book on CD-ROM]. 2006. Tasman W, Jaeger EA.
Yanoff M, Duker JS. Disorders of the conjunctiva and limbus. Ophthalmology. 2004;chapter 55:399-401.
Further Reading
Keywords
epidemic keratoconjunctivitis, EKC, pink eye, adenoviral conjunctivitis
Differential Diagnoses & Workup: Keratoconjunctivitis, Epidemic