Diagnosis
oral tongue lesion white erythematous ulcer squamous cell carcinoma
tongue lesion white patch erythematous ulceration oral cancer squamous cell carcinoma diagnosis

| Feature | Present in Image |
|---|---|
| Indurated, non-healing ulcer | ✅ |
| Erythroplakia (red patch) | ✅ |
| Leukoplakia (white patch) | ✅ |
| Lateral tongue location (high-risk site) | ✅ |
| Stained teeth (tobacco/betel use) | ✅ |
⚠️ Any indurated oral ulcer >2 weeks duration must be biopsied. Early-stage OSCC (T1/T2 without nodal spread) has a significantly better prognosis than advanced disease. Do not delay biopsy for empirical treatment.