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Extranodal NK/T Cell Lymphoma Causing Cardiorespiratory Failure.

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This case study details an unusual extranodal NK/T cell lymphoma presentation. The diagnosis was made via pericardial fluid cytology, leading to the identification of widespread lymphoma and subsequent cardiorespiratory failure.

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Area of Science:

  • Oncology
  • Hematology
  • Pathology

Background:

  • Extranodal NK/T cell lymphoma (ENKTL) is a rare cancer.
  • It typically affects the sinonasal area.
  • Unusual presentations can pose diagnostic challenges.

Purpose of the Study:

  • To report a rare case of ENKTL.
  • To highlight an atypical initial presentation.
  • To document the association with cardiorespiratory failure.

Main Methods:

  • Cytological analysis of pericardial fluid.
  • Immunophenotyping (CD2, cytoplasmic CD3, CD56).
  • Epstein-Barr virus (EBV) detection.
  • Autopsy for histopathological confirmation.

Main Results:

  • Diagnosis of ENKTL confirmed via pericardial fluid cytology.
  • Neoplastic cells were CD2+, cytoplasmic CD3+, EBV+, CD56-.
  • Autopsy revealed widespread lymphoma infiltration (myocardium, lungs, stomach, pancreas).
  • Patient succumbed to cardiorespiratory failure.

Conclusions:

  • This is the first reported case of ENKTL presenting primarily with cardiorespiratory failure.
  • ENKTL can have extranodal manifestations beyond the typical sinonasal region.
  • Early and accurate diagnosis is crucial for managing complex ENKTL cases.