Cutaneous T-Cell Lymphoma (CTCL)

CTCL

Overview

Cutaneous T-cell lymphoma (CTCL) is a group of non-Hodgkin lymphomas that primarily affect the skin. The most common subtype is mycosis fungoides, which typically presents as persistent, scaly patches or plaques that may resemble eczema or psoriasis. CTCL progresses slowly over years and can be difficult to diagnose in early stages.

Key Symptoms

  • Persistent, scaly, red or pink patches that do not respond to typical eczema treatments
  • Flat patches may progress to thickened, raised plaques
  • May develop tumors or nodules in advanced stages
  • Intense itching is common
  • Patches often occur in sun-protected areas (buttocks, trunk, inner arms)
  • Skin may become generally red and inflamed in advanced disease (erythroderma)

Affected Areas

Trunk, Buttocks, Inner arms, Thighs, Sun-protected areas

Care Instructions

  1. See a dermatologist if you have persistent, treatment-resistant patches or plaques.
  2. Multiple skin biopsies may be needed over time to confirm the diagnosis.
  3. Early-stage treatment includes topical corticosteroids, phototherapy (UVB or PUVA), and topical nitrogen mustard.
  4. Monitoring with regular dermatology visits is essential as the disease can progress slowly.
  5. Advanced stages may require systemic therapies including retinoids, interferon, or targeted agents.
  6. A multidisciplinary team including dermatology and oncology is recommended for management.

Medical Disclaimer: This information is for educational purposes only and does not replace professional medical advice. Always consult a qualified dermatologist for diagnosis and treatment.

Prevalence: Rare; approximately 3,000 new cases per year in the United States