White Lesions

White Lesions

1. Congenital

   • White Sponge Nevus
     • non keratinized oral, esophageal and anogenital mucosa bilateral, symmetrical, white, thickened and shaggy, soft-spongy texturebasket weave appearance: dt marked intracellular edema of prickle and parakeratinized cell layersadkeratin 4 and 13no malignant potential but permanent no treatment necessary
   • Leuko-edema
   • Pachyonychia congenita
   • Dyskeratosis congenita
   • Hereditary benign intraepithelial dyskeratosis (Witkop)

2. Acquired

   • Trauma
     • Physical
       • Frictional keratosis
       • Linea alba
       • Benign alveolar ridge keratosis
     • Chemical
       • Chemical induced injury
       • Contact desquamation
     • Thermal
       • Nicotinic stomatitis
     • Radiation
     • Tobacco
       • Smokeless tobacco induced keratosis
   • Immuno-inflammatory
     • Systemic lupus erythematosus
     • Discoid lupus erythematosus
   • Infective
     • Viral
       • HPV (Warts)
       • OHL (EBV)
     • Bacterial
       • Syphillitic leukoplakia
     • Fungal
       • Thrush
       • Chronic hyperplastic candiosis
       • Chronic muco-cutaneous
   • Neoplastic
     • Precancer
       • Pre-malignant disorders
     • Cancer
       • SCC
   • Idiopathic
     • Idiopathic lichen planus
   • Iatrogenic
     • Lichenoid drug reaction
     • LIchenoid contact lesion
     • Oral GVHD
   • Others
     • Geographic tongue
     • Fordyces granules
     • Material alba
     • Skin graft