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Primary Cardiac B-Non-Hodgkin Lymphoma Disguised as a Pacemaker Endocarditis

Felix Fleißner1,2, Ulrich Molitoris1, Wiebke Rösler3

  • 1Department of Cardiac, Thoracic, Transplantation and Vascular Surgery, Hannover Medical School, Hannover, Germany.

The Thoracic and Cardiovascular Surgeon Reports
|July 7, 2018
PubMed

Insights

Pacemaker infections are common, but this case highlights a rare primary cardiac B cell lymphoma mimicking pacemaker endocarditis. Surgical removal led to a good clinical outcome, emphasizing the need for accurate diagnosis.

Area of Science:

  • Cardiology
  • Oncology
  • Pathology

Background:

  • Pacemaker infections present similarly to rare primary cardiac tumors.
  • Distinguishing between infection and malignancy is diagnostically challenging.

Observation:

  • A patient presented with suspected pacemaker endocarditis.
  • Preoperative diagnostics were suboptimal, leading to an initial misdiagnosis.

Findings:

  • The suspected endocarditis was a primary cardiac B cell lymphoma.
  • Surgical resection of the lymphoma was successful.

Implications:

  • Accurate preoperative diagnostics are crucial for differentiating pacemaker infections from cardiac tumors.
  • Primary cardiac tumors, even when mimicking infections, can be surgically resected with favorable long-term survival.

Keywords:
pacemaker endocarditisprimary cardiac non-Hodgkin lymphoma

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