Koplik's spots

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Koplik's Spots[edit | edit source]

Photograph of Koplik's spots in a patient with measles.

Koplik's spots are distinctive small red lesions with white or bluish centers, typically found on the mucous membranes inside the mouth and tongue. They are a hallmark symptom of measles and appear one to two days before the onset of the measles rash.

Identification[edit | edit source]

Koplik's spots are characterized by:

  • Small size, usually 1-2 mm in diameter
  • Red base with a central white or bluish speck
  • Location on the buccal mucosa opposite the lower molars

Association with Measles[edit | edit source]

  • Koplik's spots are considered pathognomonic for measles, meaning their presence is strongly indicative of the disease.
  • They appear during the prodromal phase of measles, making them an important diagnostic sign.

Diagnostic Significance[edit | edit source]

  • Early identification of Koplik's spots can lead to timely diagnosis of measles, which is critical for infection control.
  • They help distinguish measles from other febrile rash illnesses.

Differential Diagnosis[edit | edit source]

Koplik's spots should be differentiated from other oral lesions, such as:

  • Herpangina
  • Hand, foot, and mouth disease
  • Aphthous ulcers

External Links[edit | edit source]

Koplik's spots Resources
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