| Intravascular papillary endothelial hyperplasia | |
|---|---|
| Other names | Masson's hemangio-endotheliome vegetant intravasculaire, Masson's lesion, Masson's pseudoangiosarcoma, Masson's tumor, and Papillary endothelial hyperplasia |
| Specialty |
Oncology, rheumatology 
|
Intravascular papillary endothelial hyperplasia is a rare, benign tumor. It may mimic an angiosarcoma, with lesions that are red or purplish 5-mm to 5-cm papules and deep nodules on the head, neck, or upper extremities.
