Squamous cell carcinoma of the skin differential diagnosis

	Squamous cell carcinoma of the skin Microchapters
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Aditya Govindavarjhulla, M.B.B.S. [2], Raviteja Guddeti, M.B.B.S. [3]

Differential Diagnosis

Actinic Keratosis
Atopic Dermatitis
Atypical Fibroxanthoma
Bowenoid Papulosis
Contact Dermatitis
Erythroplasia of Queyrat
Keratoacanthoma is a low-grade malignancy of the skin. It originates in the pilo-sebaceous glands, and is similar in clinical presentation and microscopic analysis to squamous cell carcinoma, except that it contains a central keratin plug. Statistically, it is less likely to become invasive than squamous cell carcinoma.
Bowen's disease is a sunlight-induced skin disease, and is considered to be an early form of squamous cell carcinoma.
Marjolin's ulcer is a type of squamous cell carcinoma that arises from a non-healing ulcer or burn wound.
Melanoma
Basal Cell Carcinoma
Pyoderma gangrenosum