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Related Experiment Videos

Lichen amyloidosus: a bullous variant.

B P Khoo1, Y K Tay

  • 1National Skin Centre, Singapore.

Annals of the Academy of Medicine, Singapore
|April 5, 2000
PubMed
Summary

Lichen amyloidosus, a common skin condition, can rarely present with blisters. Early screening for systemic amyloidosis is crucial due to potentially grave prognoses.

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Area of Science:

  • Dermatology
  • Pathology

Background:

  • Lichen amyloidosus is a prevalent dermatosis, particularly in Asian populations.
  • It typically manifests as hyperpigmentation and pruritic papules.

Observation:

  • A rare bullous variant of lichen amyloidosus features vesicles and bullae.
  • Histopathology reveals amyloid deposits in the papillary dermis alongside intraepidermal or subepidermal blisters.

Findings:

  • Current treatments for lichen amyloidosus are limited, though topical steroids can alleviate pruritus.
  • The bullous variant necessitates careful differential diagnosis.

Implications:

  • Distinguishing bullous lichen amyloidosus from systemic amyloidosis is critical.
  • Prompt investigation for systemic amyloidosis is vital due to its severe prognosis.