This fact is from Pemphigus vs Pemphigoid in Oral Pathology & Microbiology. It is a commonly tested concept in NEET MDS examinations. Understanding this fact is crucial for answering MCQs correctly.
Pemphigus = INTRAepithelial split = fishnet IgG pattern
Pemphigoid = SUBepithelial split = linear IgG at BMZ
Tzanck cells = Pemphigus
Nikolsky sign = both
Pemphigus vulgaris most common type
Direct immunofluorescence diagnostic
Pemphigus has flaccid blisters
Desmoglein 3 antibodies = Pemphigus vulgaris.