CASE DISCUSSION **Case description:** 73-year-old female presented with a painful lesion of six weeks duration affecting the right lateral surface of her tongue. Her medical history is significant for osteoarthritis, hypertension and hypercholesterolemia. She has a history of biopsy proven OLP and right lateral tongue SCC treated with surgery and chemo-radiation therapy, having completed treatment 2 years ago. She is a non-smoker and non-drinker. **Activity:** 1. Identify the pathosis and describe the clinical features 2. What is the differential diagnosis? 3. What are the relevant clinical investigations? 4. What is the diagnosis? 5. How would you manage this patient?  #### Patient Profile and Medical History A 73-year-old female presented with a painful lesion on the right lateral surface of her tongue, which has persisted for six weeks. **Medical History:** - Osteoarthritis - Hypertension - Hypercholesterolemia **Relevant Clinical History:** - Biopsy-proven Oral Lichen Planus (OLP). - Previous Squamous Cell Carcinoma (SCC) of the right lateral tongue. - Completed treatment for SCC (surgery and chemo-radiation therapy) two years ago. - Social History: Non-smoker and non-drinker. #### Case Discussion Activity 1. Identify the pathosis and describe the clinical features. 2. What is the differential diagnosis? 3. What are the relevant clinical investigations? 4. What is the diagnosis? 5. How would you manage this patient? Clinical photograph showing the right lateral surface of a tongue with a visible lesion. The image includes dental instruments retracting the tissue for examination, revealing the affected area alongside teeth and oral mucosa. [^1]: Original PDF page 1: [[Injuries Case 1.pdf#page=1|Injuries Case 1, p.1]]