Bowen’s disease

Abstract

A variety of peculiar vascular structures can be recognized under dermoscopic examination, and though not specific, they have a diagnostic significance.(5) Atypical (or polymorphous) vascular pattern has been described as red structures irregularly distributed outside areas of regression in melanocytic lesions, showing three features: (i) linear, irregular vessels; (ii) dotted or pinpoint, regularly shaped vessels; and(iii) milky red globules. (6, 7) Kreusch has given a thorough morphological illustration of the vascular component of skin tumors and has suggested an algorithm for the diagnosis based on dermoscopic vascular patterns.(8) The recognition of distinctive vascular structures enhances the diagnostic range of dermoscopy, especially when the classic pigmented structures are lacking.(9) It can be speculated that vascular morphology is consistent with a process of tumoral neoangiogenesis in BD. Videocapillaroscopic studies might better describe the vascular structures involved in BD and other cutaneous neoplasias.