Bowen’s disease (squamous cell carcinoma in situ)

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Author(s): Lauren Fried

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Below are features commonly associated with the diagnosis “Bowen’s disease (squamous cell carcinoma in situ)”.^[1] The example images have been approved by a panel of experts as representative of each given feature.

For a more in-depth discussion of associated dermoscopic features, please see the Dermoscopedia page for “Bowen’s disease (squamous cell carcinoma in situ)”.

Surface scale

Peripheral brown/gray dots arranged linearly (pigmented SCCIS)

Glomerular (coiled) / dotted blood vessels

Glomerular vessels are the dermoscopic manifestations of tortuous, dilated capillaries. Dotted vessels appear as small red dots with a diameter of 0.01–0.02 mm, and they represent vessels aligned perpendicular to the skin surface.[1][2]

↑ Fried LJ, Tan A, Berry EG, et al. Dermoscopy Proficiency Expectations for US Dermatology Resident Physicians: Results of a Modified Delphi Survey of Pigmented Lesion Experts. JAMA Dermatol. Published online January 06, 2021. doi:10.1001/jamadermatol.2020.5213

[1] Fried LJ, Tan A, Berry EG, et al. Dermoscopy Proficiency Expectations for US Dermatology Resident Physicians: Results of a Modified Delphi Survey of Pigmented Lesion Experts. JAMA Dermatol. Published online January 06, 2021. doi:10.1001/jamadermatol.2020.5213

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Description	Below are features commonly associated with the diagnosis “Bowen’s disease (squamous cell carcinoma in situ)”. The example images have been approved by a panel of experts as representative of each given feature. For a more in-depth discussion of associated dermoscopic features, please see the Dermoscopedia page for “Bowen’s disease (squamous cell carcinoma in situ)”.
Author(s)	Lauren Fried
Responsible author	N.N. → send e-mail
Status	unknown
Status update	This page has not yet been assessed.
Status by	Ralph P. Braun