Squamous cell carcinoma of the skin differential diagnosis

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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 is a tumor that occurs primarily in older individuals when the skin of their head and neck area is exposed to sun and/or therapeutic radiation. Clinically, lesions usually are suggestive of malignancy because they arise rapidly in skin in which other skin cancers have been found and treated. Clinical presentation is a red, beefy, sessile nodule.Solar telangiectasias can be found around the lesions.
• 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