Tiny white spots that appear inside the mouth following measles are called:

RIMS Nursing Officer - 2022

Medical & Surgical Nursing

Easy

Appeared in: RIMS Nursing Officer - 2022

Explanation

Koplik spots are the characteristic enanthem (oral lesion) of measles (rubeola).
They are described as bluish-white dots, approximately 1 mm in diameter, surrounded by an erythematous (red) halo.
These spots appear on the buccal mucosa (inner cheek), typically opposite the lower molars.
Crucially, they appear during the prodromal phase, 1-2 days before the onset of the generalized skin rash, and are considered pathognomonic for measles.

Option A: Mongolian spots are a type of birthmark (congenital dermal melanocytosis). They are pigmented lesions on the skin, typically on the sacral area, not white spots inside the mouth.
Option C: This is not a recognized medical term. Striae are stretch marks, which are atrophic linear scars that appear on the skin due to rapid stretching, and are unrelated to measles or oral lesions.
Option D: This is not a recognized medical term. It is likely a confusion with 'linea nigra,' a dark line that can appear on the abdomen during pregnancy. It has no association with measles or oral spots.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Pathognomonic signs of measles as background academic context rather than a clinical decision trigger.
Early identification of Koplik spots is critical for nurses as it allows for the prompt initiation of airborne precautions to prevent the spread of the highly contagious measles virus.
Recognition of this sign before the full rash appears enables early diagnosis, public health reporting, and management, including supportive care and administration of Vitamin A as recommended by the WHO.
What if the patient is immunocompromised? In a patient with impaired cellular immunity, the characteristic measles rash may not develop. In such cases, identifying Koplik spots becomes even more crucial for making a timely diagnosis and preventing severe complications like giant cell pneumonitis.

How to Approach the Question

First, analyze the question to identify the key elements: 'tiny white spots,' 'inside the mouth,' and 'measles.' This points to a specific clinical sign of a known disease.
Next, examine the provided image. Observe the location (buccal mucosa) and appearance (small white dots on a red base) of the lesions.
This is a recall-based question. Access your knowledge of infectious diseases and their pathognomonic signs.
Evaluate the options. 'Koplik spots' is the specific medical term for the oral lesions of measles.
Eliminate the other options by identifying what they are: 'Mongolian spots' are birthmarks, while 'Striae' and 'Linea' refer to skin changes related to stretching or pregnancy, not oral lesions from an infection.
Confirm your answer by matching the visual evidence in the image with the definition of Koplik spots.

Concept Tested & Keywords

QtnbWiQUxiWYz_YiN6ueyW

E6 Medicine Harrison 22e Part 1 p. 1682-1684