Diagnosis: Squamous cell carcinoma
Description: Keratotic nodule.
Morphology: Nodule,skin coloured
Site: Lips
Sex: M
Age: 37
Type: Clinical
Submitted By: Nameer Al-Sudany
Differential DiagnosisHistory: An asymptomatic, hard, keratotic, skin-colored nodule of 6 months duration on a background of actinic cheilitis involved the entire lower lip.