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Cutaneous natural killer/T-cell lymphoma.

Michael A Radonich1, Rossitza Lazova, Jean Bolognia

  • 1Department of Dermatology, Yale Dermatopathology Laboratory, Yale University School of Medicine, 15 York Street, New Haven, CT 06520-8059, USA.

Journal of the American Academy of Dermatology
|February 28, 2002
PubMed
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Natural killer (NK)/T-cell lymphoma, a CD56(+) lymphoma subtype, can manifest in the skin. This review details the clinical and histopathologic findings of non-nasal NK/T-cell lymphomas involving the skin.

Area of Science:

  • Hematology
  • Dermatology
  • Oncology

Background:

  • Lymphomas are broadly classified into Hodgkin's and non-Hodgkin's types.
  • Cutaneous T-cell and B-cell lymphomas are non-Hodgkin's subtypes that primarily affect the skin.
  • Natural killer (NK)/T-cell lymphoma is a distinct subtype that can involve the skin.

Observation:

  • NK/T-cell lymphoma is characterized by CD56 expression.
  • These lymphomas are categorized into nasal and non-nasal subtypes.
  • Non-nasal NK/T-cell lymphomas frequently present in extranodal sites, including the skin.

Findings:

  • The study reports a case of aggressive NK-cell leukemia/lymphoma with extensive secondary cutaneous lesions.
  • It reviews the clinical and histopathologic spectrum of non-nasal CD56(+) lymphomas.

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  • Emphasis is placed on the dermatologic manifestations of these lymphomas.

    • Implications:

    • Understanding the dermatologic findings is crucial for diagnosing NK/T-cell lymphomas.
    • This review contributes to the characterization of CD56(+) lymphomas affecting the skin.
    • Further research into NK/T-cell lymphoma subtypes can improve patient outcomes.