Squamous cell carcinoma in-situ (SCCIS) or Bowen’s Disease is a superficial, intra-epidermal type of non-melanoma skin cancer. Upon clinical examination, it is recognized as a erythematous, scaly, papule or plaque with a broad differential diagnosis. Non-pigmented SCCIS has a differential diagnosis of AK, psoriasis, irritated seborrheic keratosis, and verruca. Pigmented SCCIS has an even broader differential diagnosis as the brown pigmentation can mimic other benign and malignant lesions. Clinically, pSCCIS can present as a banal-appearing, minimally scaly brown macule or have significant erythema, inflammation, and scale as seen in non-pigmented SCCIS. While pSCCIS has varying clinical presentations, there are unique dermoscopic structures that can aid in the diagnosis. We are currently recruiting authors for publications on pSCCIS. Please contact if interested.

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