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Squamous cell carcinoma of skin (Can develop at any cutaneous surface…
Squamous cell carcinoma of skin
Can develop at any cutaneous surface
●Head and neck (55 percent)
●Dorsum of the hands and forearms (18 percent)
●Legs (13 percent)
●Arms (3 percent)
●Shoulder or back (4 percent)
●Chest or abdomen (4 percent)
Most common in sun-exposed areas
Lesion types
Erythroplasia of Queyrat
SCC in situ (Bowen's disease0
Invasive SCC
Diagnosis
Biopsy
Treatment
Low risk SCC
.
●Radiation therapy (for nonsurgical candidates)
●Photodynamic therapy
●Cryotherapy
●Curettage and electrodesiccation
●Surgical excision,
including Mohs micrographic surgery
High risk SCC
Surgery +/- Radiotherapy +/- Chemotherapy
Metastasis
Regional lymph nodes (85%)
Remainder: lungs, liver, brain, skin, and bone