Oral Pathology & Microbiology — Key differences for NEET MDS
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. Pemphigoid has tense blisters. Pemphigus has flaccid blisters. Desmoglein 3 antibodies = Pemphigus vulgaris.
📖 Read full notes →CGCG and Brown tumor of hyperparathyroidism = histologically IDENTICAL. Paget disease = Cotton wool skull = elevated alkaline phosphatase. Fibrous dysplasia = ground glass appearance = unilateral. Cherubism = bilateral involvement = bilateral multilocular radiolucencies. Osteosarcoma = sunburst pattern = Codman triangle. Ewings sarcoma = onion skin pattern.
📖 Read full notes →NEET MDS frequently tests the ability to differentiate between related topics. Understanding the key differences between Pemphigus vs Pemphigoid and Giant Cell Lesions & Bone in Oral Pathology & Microbiology is crucial for scoring well. Questions may test diagnostic features, treatment approaches, or characteristic findings.