koplik's spots
Học thuậtThân thiện
A doctor uses a tongue depressor to examine the patient's mouth for Koplik's spots.
Definition
- Noun:
- A medical sign of measles: Koplik's spots are small, distinctive lesions that appear inside the mouth, typically on the mucous membranes lining the cheeks opposite the molars. They are characterized by a tiny white or bluish-white center on a red background.
Usage
- Koplik's spots are a pathognomonic sign, meaning their presence is diagnostic for measles (rubeola). They usually appear 1-2 days before the onset of the characteristic skin rash and fade as the rash appears.
- The term is used almost exclusively in medical and clinical contexts.
Examples
- Noun:
- The pediatrician identified Koplik's spots on the buccal mucosa, confirming the diagnosis of measles.
- The presence of Koplik's spots is a crucial early indicator of measles infection.
Advanced Usage
- The term is a proper noun eponym, derived from the name of the American pediatrician Henry Koplik, who first described them in 1896. It is always capitalized.
- In medical documentation, it is often noted as: "Koplik's spots were observed on the oral mucosa."
Variants and Related Words
- Koplik spots: An alternative form without the possessive apostrophe 's', though "Koplik's spots" is more common.
- Enanthem: A general term for a rash on mucous membranes; Koplik's spots are a specific type of enanthem.
- Measles rash (exanthem): The widespread skin rash that follows the appearance of Koplik's spots.
Synonyms
- Pathognomonic enanthem of measles: A descriptive synonym emphasizing its diagnostic specificity.
- Prodromal sign of measles: Highlights its appearance before the main rash.
Related Phrases
- "To present with Koplik's spots": A clinical phrase describing a patient showing this symptom.
- The child presented with fever, cough, coryza, and Koplik's spots.
A doctor uses a tongue depressor to examine the patient's mouth for Koplik's spots.
Noun
- small red spots with white centers found on the mucous membranes of the mouth and tongue; symptom of measles that appears one or two days before the measles rash appears