Differential Diagnosis - White patch, lateral border of tongue, unilateral

Differential Diagnosis - White patch, lateral border of tongue, unilateral

1. Oral lichenoid reaction

   • Contact lesion
     • e.g. amalgam, NiCr, acrylic
   • Drug induced
     • e.g. hypertension drugs

2. Frictional keratosis

   • e.g. trauma from biting tongue
   • most common

3. Leukoplakia

   • Dysplasia
     • Mild = Basal cell affected
     • Moderate = half epithelium affected
     • Severe = whole epithelium affected
   • No dyplasia

4. Proliferative verrucous leukoplakia

5. Candida

   • Pseudomembranous
     • Removable
     • Wouldn't need biopsy
   • Hyperplastic
     • Pre-malignant
     • Not removable
   • Erythematous
     • Red

6. Syphilis

7. Hairy leukoplakia

   • EBV
   • Immunosuppressed