Intravascular papillary endothelial hyperplasia (Masson tumor) mimicking a sarcoma and developing from an arteriovenous hemodialysis fistula

Intravascular papillary endothelial hyperplasia (IPEH), also known as Masson’s tumor, is a rare nonneoplastic vascular lesion caused by the abnormal proliferation of endothelial cells. Clinically and radiologically, IPEH presents as a soft tissue mass that may simulate and be mistaken for a sarcomat...

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Bibliographic Details
Published in:Skeletal radiology 2015-06, Vol.44 (6), p.859-862
Main Authors: Pegado, Pedro F., Ordi, Queralt C., Roche, Sarai, Rivas, Antoni G., Domiguez, Rosa Oronoz
Format: Article
Language:English
Subjects:
Aged
Arteriovenous Shunt, Surgical - adverse effects
Case Report
Diagnosis, Differential
Endothelium
Female
Fistula
Forearm - diagnostic imaging
Forearm - pathology
Hemodialysis
Humans
Hyperplasia
Imaging
Magnetic Resonance Imaging - methods
Medicine
Medicine & Public Health
Nuclear Medicine
Orthopedics
Pathology
Radiology
Renal Dialysis - adverse effects
Sarcoma
Sarcoma - diagnosis
Sarcoma - etiology
Skin
Ultrasonography - methods
Vascular Malformations - diagnosis
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Description
Summary:Intravascular papillary endothelial hyperplasia (IPEH), also known as Masson’s tumor, is a rare nonneoplastic vascular lesion caused by the abnormal proliferation of endothelial cells. Clinically and radiologically, IPEH presents as a soft tissue mass that may simulate and be mistaken for a sarcomatous tumor. There have been reports of this entity involving the skin or subcutaneous tissues in normal blood vessels and vascular malformations. Herein, we present the first reported case of Masson’s tumor arising from an arteriovenous hemodialysis fistula. We emphasize the imaging features of this lesion and briefly discuss its pathophysiology.
ISSN:0364-2348
1432-2161
DOI:10.1007/s00256-014-2058-4