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Livedo reticularis.

Amy E Rose1, Vishal Sagger, Kevin P Boyd

  • 1New York University School of Medicine.

Dermatology Online Journal
|December 25, 2013
PubMed
Summary
This summary is machine-generated.

Livedo reticularis (LR), a skin condition, can be a rare manifestation of chronic natural killer cell leukemia (CNKL). This case highlights a potential link between this hematologic malignancy and skin vascular changes.

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Area of Science:

  • Dermatology
  • Hematology
  • Vascular Medicine

Background:

  • Livedo reticularis (LR) presents as a reticulated, purplish skin discoloration indicating altered cutaneous blood flow.
  • Common etiologies of LR include connective tissue diseases, vasculitis, hypercoagulability, and embolic phenomena.
  • Chronic natural killer cell leukemia (CNKL) is a rare hematologic malignancy.

Observation:

  • A 49-year-old male presented with symptomatic livedo reticularis and lower extremity ulcers.
  • These cutaneous findings were identified as a manifestation of underlying chronic natural killer cell leukemia (CNKL).

Findings:

  • This report details an additional case associating livedo reticularis with chronic natural killer cell leukemia.
  • The study explores a potential pathophysiological mechanism linking CNKL to the observed vascular changes in the skin.

Implications:

  • Recognizing LR as a potential sign of CNKL can aid in earlier diagnosis of this rare leukemia.
  • Further research into the association between hematologic malignancies and vascular skin conditions is warranted.
  • Understanding the mechanism may improve management strategies for patients with both LR and CNKL.