Question

A patient presents with neck swelling and painIntraoral examination reveals yellow-grey patches on the oral mucosaWhich of the following is the most likely diagnosis?

• A. Measles
• B. Erythema multiforme
• C. Stevens-Johnson syndrome
• D. Herpetic gingivostomatitis

Hint:

Painful oral ulcers + cervical lymphadenopathy + yellow-grey pseudomembrane → Think primary herpetic gingivostomatitis.

Answer 1

The Correct Option is D

Step 1: Understanding the Clinical Presentation.
The patient has neck swelling and pain suggesting lymphadenopathyIntraoral yellow-grey patches indicate ulcerated lesions covered with a pseudomembraneThese features are typical of an acute viral infection affecting the oral mucosa
Step 2: Correlation with Herpetic Gingivostomatitis.
Primary herpetic gingivostomatitis is caused by Herpes Simplex Virus type 1It presents with fever, cervical lymphadenopathy, painful oral ulcers, and diffuse erythematous gingivaThe ulcers often rupture leaving yellow-grey pseudomembranous patches
Step 3: Eliminating Other Options.
(A) Measles presents with Koplik spots which are bluish-white lesions on buccal mucosa
(B) Erythema multiforme shows target lesions on skin and hemorrhagic crusting
(C) Stevens-Johnson syndrome involves severe mucocutaneous reactions
(D) Herpetic gingivostomatitis matches the described features
Step 4: Conclusion.
The most likely diagnosis is Herpetic gingivostomatitis