MUCOUS MEMBRANE DISORDER (Oral Cavity) Mucous Membrane Disorder White Lesions Erosions/Ulcers/Blisters Primary Dermatologic Diseases Systemic Disease Non-neoplastic Neoplastic Systemic lupus erythematosus Inflammatory bowel disease (ulcerative colitis more than Crohn's disease) Behçet's syndrome Leukoplakia Squamous cell carcinoma Candidiasis White/cottage cheese like plaques/scrape off easilyLichen Planus Reticular (lace-like) white lines & papules Aphthous Stomatitis (recurrent, punched out ulcers, often preceded by trauma/emotional stress) Herpetic gingivostomatitis Pemphigus vulgaris Bullous pemphigoid Erythema multiforme Stevens-Johnson Syndrome Toxic epidermal necrolysis

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