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Feature Article

Vascular features to look for in the dermoscopy of cutaneous tumours

John Pyne
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Abstract

Examining the skin using dermoscopy provides valuable information not seen with the naked eye. Vascular features relevant in the assessment of primary nonlymphoid cutaneous tumours are discussed.

Key Points

  • Dermoscopy provides the clinician with immediate convenient magnification when examining the skin.
  • Distinctive vascular features identified during dermoscopy facilitate the diagnosis of a range of both benign and malignant tumours.
  • Benign tumours often have monomorphic vessels distributed in regular patterns over the tumour footprint.
  • Malignant tumours characteristically display polymorphic vessels in irregular arrangements within a tumour.
  • Acquiring skill in dermoscopy can reduce the number of excisions of benign tumours and improve the identification of malignant tumours.

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