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Related Experiment Videos

Diagnostic impression cytology for herpes simplex keratitis

H Nakagawa1, Y Uchida, E Takamura

  • 1Department of Ophthalmology, Tokyo Women's Medical College, Japan.

Japanese Journal of Ophthalmology
|January 1, 1993
PubMed
Summary

Impression cytology rapidly detects herpes simplex virus (HSV) antigens in eye lesions. This noninvasive method aids in diagnosing herpetic keratitis and conjunctivitis, even during antiviral treatment.

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Area of Science:

  • Ophthalmology
  • Virology
  • Diagnostic Pathology

Background:

  • Herpes simplex virus (HSV) infections commonly affect the cornea and conjunctiva.
  • Accurate and timely diagnosis of herpetic epithelial lesions is crucial for effective treatment.

Purpose of the Study:

  • To evaluate the utility of impression cytology for detecting HSV antigens in ocular epithelial lesions.
  • To assess the noninvasive diagnostic capability of impression cytology for herpetic eye infections.

Main Methods:

  • Impression cytology using nitrocellulose membranes to collect specimens from corneal or conjunctival lesions.
  • Peroxidase-antiperoxidase staining method for visualizing HSV antigens.

Main Results:

  • HSV antigens were detected in 30 out of 32 patients with herpetic keratitis or conjunctivitis.

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  • Impression cytology provided precise replicas of corneal lesions, showing numerous antigen-positive cells.
  • Antigens were detectable even in subtle lesions and during antiviral therapy.

    • Conclusions:

    • Impression cytology is a noninvasive and effective method for rapid etiological diagnosis of herpetic epithelial lesions.
    • This technique aids in diagnosing herpes simplex keratitis and conjunctivitis.