Skin Cancer 
Actinic keratoses
Actinic keratoses
Actinic keratoses
Intraoral squamous cell carcinoma presenting as leukoplakia
Intraoral squamous cell carcinoma presenting as leukoplakia
Squamous Cell Carcinoma
- usually begins as a pink, scaling patch on areas of maximal sun exposure
- patch limited to epidermis is called actinic keratosis
- actinic keratoses and squamous carcinoma in-situ (Bowen’s Disease) are pre-cancers
- treatment options for actinic keratoses include:
- liquid nitrogen cryotherapy
- topical 5-Fluorouracil
- actinic keratosis
- left untreated can evolve into invasive squamous cell carcinoma
- squamous cell carcinoma
- manifested clinically as a hard pink or white nodule
- often surrounded by the typical scaling of an actinic keratosis
- is particularly significant in that systemic spread, particularly to lymph nodes, can occur in some cases
- treatment of squamous carcinoma limited to the skin is
- surgical excision
- radiation therapy
- More Images:
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5-fluorouracil highlighting sub-clinical lesions |
Numerous clinically evident actinic keratoses |
All lesions clear |
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Squamous Carcinoma |
Squamous Carcinoma |
Squamous Carcinoma |
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Squamous Carcinoma |
Squamous Carcinoma |
Squamous Carcinoma |
