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Systemic angioendotheliomatosis presenting with hemolytic anemia
American Journal of Clinical Pathology
|August 1, 1983
Summary
Systemic angioendotheliomatosis presents with severe constitutional symptoms and organ dysfunction. Postmortem analysis revealed malignant vascular endothelial cells, suggesting a neoplastic origin.
Area of Science:
- Vascular biology
- Oncology
- Hematology
Background:
- Systemic angioendotheliomatosis is a rare condition.
- It often presents with constitutional symptoms and organ dysfunction.
Observation:
- Two patients experienced fever, weight loss, weakness, neurologic deficits, dementia, and severe anemia.
- One patient developed hemolysis and hypersplenism, while the other had autoimmune hemolytic anemia.
Findings:
- Postmortem examination revealed malignant cells within blood vessels, not infiltrating tissues.
- These cells were pyroninophilic, lacked immunoglobulins and specific enzyme activity, but expressed Factor VIII antigen.
Implications:
- Systemic angioendotheliomatosis may be a true neoplasm of vascular endothelial cells.
- Understanding its neoplastic nature is crucial for diagnosis and potential therapeutic strategies.