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Quiz
Dermoscopy quiz (3 of 3)

Case 5

Squamous cell carcinoma in situ (Bowen's disease)

The clinical view is of an odd-shaped scaly pink plaque. There is an irregular ‘glomerular’ vascular pattern, characteristic of Bowen's disease. The dermoscopic differential diagnosis is psoriasis, where the red globules are more homogeneous.

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