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[Malignant angioendotheliomatosis]
Malignant angioendotheliomatosis is one of the terms used to describe the appearance of neoplastic cells resembling endothelium within the lumen of small and medium-sized blood vessels, mainly in the cerebral and meningeal vascular beds. A fatal systemic disease with dementia as the leading neurological manifestation may be associated with these pathological findings. Only recently has it become evident that this disease is a unique intravascular form of large cell lymphoma, affecting mainly the cerebral blood vessels but also present in the lumen of many small and medium-sized blood vessels in the systemic circulation.
Malignant angioendotheliomatosis is one of the terms used to describe the appearance of neoplastic cells resembling endothelium within the lumen of small and medium-sized blood vessels, mainly in the cerebral and meningeal vascular beds. A fatal systemic disease with dementia as the leading neurological manifestation may be associated with these pathological findings. Only recently has it become evident that this disease is a unique intravascular form of large cell lymphoma, affecting mainly the cerebral blood vessels but also present in the lumen of many small and medium-sized blood vessels in the systemic circulation.