A rare case of PDGFRA-positive chronic eosinophilic leukemia

Kalpana Bothale1, Akanksha Salkar2, Amit Salkar3

  • 1Department of Pathology, NKP Salve Institute of Medical Sciences and Research Center, Nagpur, Maharashtra, India.

Insights

This case report details a rare instance of Chronic Eosinophilic Leukemia (CEL) in a 49-year-old male. The patient presented with multiorgan damage, highlighting the diagnostic challenges and rare clinical manifestations of CEL.

Area of Science:

  • Hematology
  • Oncology
  • Pathology

Background:

  • Chronic eosinophilic leukemia (CEL) is a rare clonal disorder characterized by excessive eosinophil production.
  • CEL shares overlapping features with idiopathic hypereosinophilic syndrome (IHES), complicating diagnosis.
  • Multiorgan involvement, particularly cardiac and neurological, is an uncommon presentation of CEL.

Purpose of the Study:

  • To report a rare case of Chronic Eosinophilic Leukemia (CEL) with multiorgan damage.
  • To emphasize the diagnostic challenges associated with CEL.
  • To highlight the unusual clinical manifestations of CEL, including cardiac and neurological involvement.

Main Methods:

  • Case report of a 49-year-old male patient.
  • Analysis of peripheral blood smear findings, including eosinophil counts, morphology, and blast percentage.
  • Examination of bone marrow biopsy for cellularity, lineage proliferation, and blast percentage.

Main Results:

  • Peripheral blood smear showed predominantly eosinophils with dysplastic changes, left shift, and 2% blasts.
  • Bone marrow examination revealed 5% blasts, increased eosinophils and their precursors, and myeloid/megakaryocytic proliferation.
  • The patient presented with significant multiorgan damage.

Conclusions:

  • Chronic Eosinophilic Leukemia (CEL) is a rare hematologic malignancy.
  • The overlapping clinical and pathological features of CEL and IHES present diagnostic difficulties.
  • This case underscores the rarity of CEL presenting with severe cardiac and neurological manifestations.