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Angiotropic large-cell lymphoma presenting as pulmonary small vessel occlusive disease
M Evert1, M Lehringer-Polzin, W Möbius
1Department of Pathology, University of Bonn, and the Johanniter-Krankenhaus, Innere Abteilung, Germany.
Human Pathology
|August 3, 2000
Summary
Angiotropic lymphoma (AL), a rare lymphoma variant, involves neoplastic cells within blood vessels. This case highlights a potential link between solid lymphomas and AL, with fatal pulmonary vascular occlusion.
Area of Science:
- Hematology
- Oncology
- Pathology
Background:
- Angiotropic lymphoma (AL) is a rare extranodal lymphoma characterized by intravascular proliferation of neoplastic lymphoid cells.
- The origin of AL, whether a distinct vascular entity or secondary dissemination from a solid tumor, remains debated.
Observation:
- This report details an unusual case of angiotropic lymphoma presenting with fatal right heart failure.
- Extensive intravascular proliferation of neoplastic cells led to pulmonary blood vessel occlusion, a previously undescribed complication.
Findings:
- The patient had a history of large-cell B-lymphoma, suggesting a potential transformation or progression to angiotropic lymphoma.
- This case supports the hypothesis that angiotropic lymphoma may arise from more common non-Hodgkin's lymphomas.
Implications:
- This case expands the understanding of angiotropic lymphoma's clinical manifestations and potential origins.
- Further research is needed to elucidate the relationship between solid lymphomas and angiotropic lymphoma.
- Recognizing this potential progression is crucial for accurate diagnosis and management of lymphoma patients.