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Contrast-enhanced ultrasound study of primary hepatic angiosarcoma: a pitfall of non-enhancement.

Abstract：

OBJECTIVE:To investigate the contrast-enhanced ultrasound (CEUS) characteristics of primary hepatic angiosarcoma (PHA). METHODS:The sonographic findings and CEUS images of PHA in three patients were retrospectively analyzed. RESULTS:In our study, 3 cases of PHA (2 multiple nodules and 1 solitary mass) showed similar enhancement pattern on CEUS, characterized by remarkable central non-enhancement and peripheral irregular enhancement in the arterial and portal phase, and complete wash-out in the late phase. Furthermore, we unexpectedly found that abundant neoplastic tissues were present in the central area of non-enhancement on pathological evaluation. Based on literature review, we supposed that the unusual finding may be associated with the very low velocity of blood flow in the central region of tumors. CONCLUSION:CEUS could well depict PHA with some common features, which may provide valuable clues in diagnosis of this rare disease. And non-necrotic tumor tissue of PHA could also demonstrate non-enhancement on CEUS, which warrant further investigations.

journal_name

Eur J Radiol

journal_title

European journal of radiology

authors

Wang L,Lv K,Chang XY,Xia Y,Yang ZY,Jiang YX,Dai Q,Tan L,Li JC

doi

10.1016/j.ejrad.2011.06.026

subject

Has Abstract

pub_date

2012-09-01 00:00:00

pages

2054-9

issue

9

eissn

0720-048X

issn

1872-7727

pii

S0720-048X(11)00567-5

journal_volume

81

pub_type

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