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Pigmented Bowen's disease presenting with a "starburst" pattern.

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Dermatology Practical & Conceptual
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Pigmented Bowen's disease (pBD), a rare skin cancer, can be mistaken for other lesions. This case highlights a unique "starburst" dermoscopic pattern aiding in its diagnosis.

Keywords:
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Area of Science:

  • Dermatology
  • Oncology
  • Dermoscopy

Background:

  • Pigmented Bowen's disease (pBD) is an uncommon in situ squamous cell carcinoma.
  • It often presents as a dark, scaly plaque on sun-exposed skin.
  • pBD is frequently misdiagnosed as melanoma, pigmented basal cell carcinoma, or seborrheic keratosis.

Purpose of the Study:

  • To report a rare case of pBD exhibiting a distinctive "starburst" dermoscopic pattern.
  • To discuss the differential diagnosis of this specific dermoscopic presentation.

Main Methods:

  • Dermoscopic examination of the pigmented skin lesion.
  • Clinical correlation and histopathological confirmation.

Main Results:

  • The pBD case demonstrated an unusual "starburst" dermoscopic pattern.
  • This pattern can mimic other pigmented skin lesions, posing diagnostic challenges.

Conclusions:

  • Dermoscopy is crucial for diagnosing pBD, but atypical patterns can complicate recognition.
  • Awareness of rare dermoscopic features like the "starburst" pattern is essential for accurate diagnosis and management of pigmented Bowen's disease.