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Related Experiment Videos

Unilateral linear capillaritis: two unusual Chinese cases.

Hui-Jun Ma1, Guang Zhao, Wen Liu

  • 1Department of Dermatology, The Airforce General Hospital of Chinese People's Liberation Army, 30 Fucheng Road, Haidian District, Beijing 100036, P.R.China. melanocytes@163.com

European Journal of Dermatology : EJD
|March 6, 2007
PubMed
Summary

Unilateral linear capillaritis (ULC), a rare form of pigmented purpuric dermatosis (PPD), presented unusually on upper extremities in two patients. Lesions showed spontaneous fading or improvement with PUVA therapy.

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Area of Science:

  • Dermatology
  • Pathology

Background:

  • Unilateral linear capillaritis (ULC) is a rare variant of pigmented purpuric dermatosis (PPD).
  • ULC typically presents with linear or segmental pigmented purpuric macules on lower extremities and has a favorable prognosis.

Observation:

  • This report details two atypical cases of ULC in a male and female patient.
  • Lesions were unilateral, affecting the upper extremities, and followed dermatome lines.
  • Biopsy findings were consistent with PPD, lacking dense band-like upper dermal infiltration.

Findings:

  • Patient 1's lesions spontaneously faded over 20 months.
  • Patient 2's lesions showed reduced visibility after 2 months of PUVA therapy, leaving residual pigmentation.

Implications:

Related Experiment Videos

  • These cases expand the clinical presentation spectrum of ULC, including upper extremity involvement.
  • The findings suggest that ULC may exhibit spontaneous resolution or respond to treatments like PUVA.
  • Further research into the pathogenesis and treatment of ULC is warranted.