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Congestive heart failure and endocardial fibroelastosis caused by chronic lymphocytic leukemia
Insights
Endocardial fibroelastosis, a rare heart condition, was observed in a patient with chronic lymphocytic leukemia. This case suggests leukemic infiltration may cause this condition, marking a novel association.
Area of Science:
- Cardiovascular Pathology
- Hematologic Oncology
Background:
- Chronic lymphocytic leukemia (CLL) is a hematologic malignancy primarily affecting lymphocytes.
- Endocardial fibroelastosis (EFE) is a rare condition characterized by thickening of the endocardium.
Observation:
- A patient with CLL developed endocardial fibroelastosis.
- Leukemic infiltrates were identified in the heart's endocardial scar tissue and myocardium.
- Infiltrates were also present in coronary arteries and other organs.
Findings:
- The study postulates that myocardial leukemic infiltration caused the endocardial fibroelastosis.
- This is the first documented instance of EFE in a patient with CLL.
Implications:
- This finding expands the known cardiac manifestations of chronic lymphocytic leukemia.
- It highlights the potential for leukemic infiltration to directly impact cardiac structures, leading to conditions like EFE.
Abstract:
Endocardial fibroelastosis developed in the heart of a patient who had chronic lymphocytic leukemia. Leukemic infiltrates were found in the endocardial scar tissue, myocardium, coronary arteries, and other viscera. In view of the absence of any other known cause of endocardial fibroelastosis, it is postulated that endocardial fibroelastosis was caused by myocardial leukemic infiltration. This is the first reported case of endocardial fibroelastosis in a patient with chronic lymphocytic leukemia.