Squamous Cell Carcinoma

Squamous Cell Carcinoma
SYMPTOMS Usually asymptomatic | Occasional irritation
SIGNS Bleeding | Irritation | Crusting | Pruritus
WORK-UP Thorough history. Slit lamp examination
TREATMENT UV protection | Biopsy | Surgical excision (Mohs technique) | Chemotherapy | Radiation | Cryotherapy
FOLLOW-UP 6 months, sometimes sooner
ADDITIONAL LAB | TESTS None
ETIOLOGY UV damage | Actinic keratosis (precursor) | HPV | HIV
DIFFERENTIAL DX Seborrheic keratosis | Actinic keratosis | Keratoacanthoma | Squamous cell carcinoma | Sebaceous gland carcinoma | Malignant melanoma
NOTES Higher chance of malignancy compared to BCC