A 50-yr-old male presents with erythematous shallow erosions with blisters and yellowish scales over seborrheic areas. Oral mucosa is not involved. Immunopathology demonstrates IgG deposition on keratinocytes and autoantibodies against Dsg-1. The diagnosis is?
Correct Answer: Pemphigus foliaceous
Description: Pemphigus Foliaceous: Characterized by small flaccid bullae with crusting and scaling. Bullae rupture, resulting in moist erosions and cornflakes like crusts. Nikolsky's sign is positive Oral mucosa involvement is absent. associated with thyroid disease, rheumatoid ahritis and type 1 DM DIF: Perilesional skin biopsy demonstrates IgG on surface keratinocytes. Indirect immunofluorescence: Circulating IgG antibodies against keratinocytes cell surface antigen. Autoantigens: Ab directed against Desmoglein1 Rx: Topical and systemic glucocoicoids are mainstay.
Category:
Dental
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now