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[CD7 positive undifferenciated leukemia/lymphoma associated with leukemic pericarditis]

K Ochi1, M Amano, Y Soda

  • 1Department of Internal Medicine, Aoto Hospital, Jikei University School of Medicine.

[Rinsho Ketsueki] the Japanese Journal of Clinical Hematology
|July 1, 1994
PubMed

Insights

This case study describes a rare CD7 positive undifferentiated leukemia/lymphoma with a rapid, fatal course in a young woman. The aggressive malignancy presented with a mediastinal tumor and pericardial effusion, highlighting diagnostic challenges.

Area of Science:

  • Hematology
  • Oncology
  • Immunophenotyping

Background:

  • Undifferentiated leukemia/lymphoma is a rare and aggressive hematologic malignancy.
  • Early diagnosis and characterization are crucial for patient outcomes.

Observation:

  • A 27-year-old female presented with symptoms of palpitation and edema.
  • Imaging revealed a mediastinal tumor and pericardial effusion.
  • Initial lymphoblastic cells were found in effusion, later appearing in peripheral blood.

Findings:

  • The blast cells were negative for peroxidase but expressed CD7 and CD33 markers.
  • Southern blotting showed germline configuration for TCR-beta and immunoglobulin heavy chain gene rearrangement.
  • The patient experienced rapid clinical deterioration, succumbing to cardiac tamponade within 15 days.

Implications:

  • This case underscores the importance of comprehensive immunophenotyping and molecular analysis in diagnosing rare hematologic malignancies.
  • The rapid progression highlights the aggressive nature of CD7 positive undifferentiated leukemia/lymphoma.
  • Understanding the immunophenotypic and genetic profiles is vital for developing targeted therapies.

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