Intravascular papillary endothelial hyperplasia

Intravascular papillary endothelial hyperplasia

Definition

A reactive, well-circumscribed vascular lesion. It is characterized by the formation of thin papillae projecting within the lumen of blood vessels. The papillae are lined by plump endothelial cells. Blood clots are also present.

Also known as intravascular papillary endothelial hyperplasia, Masson lesion, Masson pseudotumor, Masson's pseudosarcoma, Masson's pseudotumor, Masson's vegetant hemangioma, papillary endothelial hyperplasia — per MONDO

Also identified as

Affected Organs

Organ Involvement Source
Cardiovascular system Disease Has Associated Anatomic Site NCIT · CC BY 4.0
Cardiovascular system Disease Has Primary Anatomic Site NCIT · CC BY 4.0