Intravascular papillary endothelial hyperplasia of the extremities: MR imaging findings with pathologic correlation

We report the MRI findings of three cases of intravascular papillary endothelial hyperplasia (IPEH) of the extremities with correlation of the pathologic findings. The IPEH is a non-neoplastic reactive lesion within the vessels and is commonly associated with thrombi. Signal intensity of the IPEH is...

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Veröffentlicht in:European radiology 2004-05, Vol.14 (5), p.822-826
Hauptverfasser: Lee, Sang Hoon, Suh, Jin-Suck, Lim, Byung Il, Yang, Woo Ick, Shin, Kyoo-Ho
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container_issue 5
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container_title European radiology
container_volume 14
creator Lee, Sang Hoon
Suh, Jin-Suck
Lim, Byung Il
Yang, Woo Ick
Shin, Kyoo-Ho
description We report the MRI findings of three cases of intravascular papillary endothelial hyperplasia (IPEH) of the extremities with correlation of the pathologic findings. The IPEH is a non-neoplastic reactive lesion within the vessels and is commonly associated with thrombi. Signal intensity of the IPEH is complex due to the thrombi and the PEH itself. The thrombi are characterized by a slightly hyperintense signal on T1- and T2-weighted images compared with that of muscle when it comes at the medium stage of hemorrhage. Papillary endothelial hyperplastic tissue appears either as iso- or hyperintense to the muscle on T2- and T1-weighted images and shows variable enhancement on Gd-DTPA-enhanced images.
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subjects Adolescent
Adult
Aged
Contrast Media - administration & dosage
Diagnosis, Differential
Endothelium, Vascular - pathology
Extremities - blood supply
Extremities - pathology
Extremities - surgery
Female
Gadolinium DTPA
Hemangioma - complications
Hemangioma - diagnosis
Hemangioma - surgery
Hemangiosarcoma - diagnosis
Humans
Hyperplasia - complications
Hyperplasia - diagnosis
Hyperplasia - surgery
Magnetic Resonance Imaging - methods
Male
Medical diagnosis
Peripheral Vascular Diseases - complications
Peripheral Vascular Diseases - diagnosis
Peripheral Vascular Diseases - surgery
Thrombosis - complications
Thrombosis - diagnosis
Thrombosis - surgery
title Intravascular papillary endothelial hyperplasia of the extremities: MR imaging findings with pathologic correlation
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