Diagnosis and management of cold agglutinin disease associated with low-grade B-cell lymphoma in a patient receiving pembrolizumab for lung cancer

Nabin Raj Karki, Peyton McElhone, Natasha Savage, Nagla Fawzy Miligy Abdel Karim

Research output: Contribution to journalArticlepeer-review

Abstract

A 65-year-old with non-small cell lung cancer developed autoimmune haemolytic anaemia while receiving pembrolizumab containing chemoimmunotherapy. Initially thought to be due to pembrolizumab induced haemolysis, he was treated with steroids, and pembrolizumab was held. Haemolysis was refractory to steroids and blood was observed to agglutinate in cold room temperatures. Cold agglutinins in high titre and monoclonal serum IgM kappa protein were detected. Bone marrow biopsy showed marginal zone lymphoma confirming low grade B-cell lymphoma causing cold agglutinin disease. B-cell depletion by rituximab stopped haemolysis, and pembrolizumab was safely continued for lung cancer.

Original languageEnglish (US)
JournalBMJ Case Reports
Volume14
Issue number8
DOIs
StatePublished - Aug 16 2021

Keywords

  • haematology (incl blood transfusion)
  • immunology
  • lung cancer (oncology)

ASJC Scopus subject areas

  • General Medicine

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