Chronic eosinophilic pneumonia associated with cutaneous T-cell lymphoma

Boaz Hirshberg, Mordechai R. Kramer, Michal Lotem, Vivian Barak, Larisa Shustin, Gail Amir, Dina Ben-Yehuda, Arie Ben-Yehuda*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

15 Scopus citations


Cutaneous T-cell lymphomas (CTCL) are diseases characterized by cutaneous infiltrates of malignant clonally expanded T cells. CTCL cells exhibit a cytokine profile consistent with T helper-2 type (TH2) cells. Eosinophilic pneumonias are individual syndromes characterized by eosinophilic pulmonary infiltrates and commonly peripheral blood eosinophilia. CTCL and chronic eosinophilic pneumonia are rare clinical entities. We report a patient with the association of CTCL and chronic eosinophilic pneumonia. To understand the mechanism leading to the eosinophilia, we examined the patient's cytokine profile. This was consistent with a high TH2 activity. Her interleukin (IL) 5, 6, and 10 levels were extremely high, while her IL-2 and interferon-γ (IFN-γ) levels (TH1 profile) were low. We believe that eosinophilic pneumonia in this patient is probably secondary to high TH2 cytokine levels induced by tumor cells. We suggest that eosinophilic pneumonia should be considered as a possible diagnosis in patients with CTCL who have respiratory complaints.

Original languageAmerican English
Pages (from-to)143-147
Number of pages5
JournalAmerican Journal of Hematology
Issue number2
StatePublished - 1999
Externally publishedYes


  • Chronic eosinophilic pneumonia
  • Cutaneous T-cell lymphoma
  • Cytokine
  • T helper-2 type cells


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