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Dermoscopic patterns of dermatofibroma.

Nicola Arpaia1, Nicoletta Cassano, Gino Antonio Vena

  • 1Second Unit of Dermatology, MIDIM Department, University of Bari, Policlinico, Piazza Giulio Cesare 11, 70124 Bari, Italy.

Dermatologic Surgery : Official Publication for American Society for Dermatologic Surgery [Et Al.]
|September 29, 2005
PubMed
Summary

Dermatofibroma (DF) shows distinct dermoscopic patterns, often evolving over time. These patterns may indicate sequential stages in dermatofibroma formation and pathogenesis.

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Area of Science:

  • Dermatology
  • Dermoscopy
  • Histopathology

Background:

  • Dermatofibroma (DF) typically presents with characteristic clinical and dermoscopic features.
  • Systematic analysis of dermoscopic features in DF is limited.

Observation:

  • This study evaluated dermoscopic patterns in 39 DFs across 32 patients.
  • Histopathological confirmation was obtained for all cases.
  • Dermoscopic patterns were analyzed, with observations recorded over time in select cases.

Findings:

  • Three main dermoscopic patterns were identified: isolated pigment network (31%), peripheral pigment network with central features (13%), and peripheral pigment network with a central white area (56%).
  • The observed patterns suggest potential sequential stages in DF development.

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Implications:

  • The identified dermoscopic patterns may offer insights into the pathogenesis of dermatofibroma.
  • Understanding these patterns could aid in diagnosing and monitoring DF.