Cytologic aspects of T-cell acute lymphoblastic leukemia presenting as a massive pericardial effusion: A case report

Debdatta Basu, Neelaiah Siddaraju, Paari Murugan, Bhawana Ashok Badhe, Cherian Akkarappatty, Tarun Kumar Dutta

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

Background: Acute lymphoblastic leukemia (ALL) with a clinical presentation of cardiac tamponade and the presence of blasts in the pericardial fluid is an uncommon event. A cytopathologist needs to adopt a cautious interpretive approach while dealing with a lymphoid-rich pericardial effusion in order to prevent a false negative diagnosis. Case: A 27-year-old male presented with breathlessness, ascites, bilateral pedal edema and fever. He had mild hepatomegaly. On detailed clinical examination, a diagnosis of anemia with cardiac tamponade was made. Cytology of pericardial fluid revealed a large number of lymphoid cells in a hemorrhagic background that, under low magnification, closely resembled mature lymphocytes. However, a careful examination of May-Grünwald-Giemsa-stained cytologic smears, under an oil immersion objective (x 1,000), showed atypical lymphoid cells having blastoid morphology. Rare lymphoid cells displayed a "hand mirror" appearance. A hematologic workup was carried out to exclude leukemia/lymphoma. Complete blood count revealed pancytopenia with abnormal lymphoid cells. Bone marrow showed replacement by 90% lymphoblasts exhibiting periodic acid-Schiff stain, CD3 and terminal deoxynucleotidyl transferase positivity. A diagnosis of T-cell acute lymphoblastic leukemia (FAB L1) was offered, and the patient was started on a remission and induction regimen. However, he had a rapid downhill course and died of cardiorespiratory arrest. Conclusion: Both clinicians and cytopathologists need to be aware of rare instances in which ALL may present with a pericardial effusion as an initial manifestation. The abnormal lymphoid cells found in the pericardial fluid in such situations need to be interpreted cautiously, as their presence is of clinical significance.

Original languageEnglish (US)
Pages (from-to)337-340
Number of pages4
JournalActa cytologica
Volume53
Issue number3
DOIs
StatePublished - Jan 1 2009

Keywords

  • Acute lymphoblastic leukemia
  • Effusion cytology
  • Leukemia

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