Findings of hepatopulmonary syndrome on breath-hold perfusion SPECT-CT fusion images

被引：11

作者：

Suga, Kazuyoshi ^{[1
]}

Kawakami, Yasuhiko ^{[1
]}

Iwanaga, Hideyuki ^{[2
]}

Tokuda, Osamu ^{[2
]}

Matsunaga, Naofumi ^{[2
]}

机构：

[1] St Hill Hosp, Dept Radiol, Yamaguchi 7550151, Japan

[2] Yamaguchi Univ, Dept Radiol, Sch Med, Yamaguchi, Japan

来源：

ANNALS OF NUCLEAR MEDICINE | 2009年 / 23卷 / 04期

关键词：

Single photon emission computed tomography (SPECT); Pulmonary perfusion; Hepatopulmonary syndrome; Right-to-left shunt; PULMONARY ARTERIOVENOUS-MALFORMATIONS; INTRAPULMONARY VASCULAR DILATATIONS; LUNG PERFUSION; COMPUTED-TOMOGRAPHY; PORTOPULMONARY HYPERTENSION; SCINTIGRAPHY; REGISTRATION; VENTILATION; ECHOCARDIOGRAPHY; THROMBOEMBOLISM;

D O I：

10.1007/s12149-009-0250-8

中图分类号：

R8 [特种医学]; R445 [影像诊断学];

学科分类号：

1002 ; 100207 ; 1009 ;

摘要：

Pulmonary perfusion SPECT-CT fusion images were used to characterize CT manifestations of intrapulmonary arteriovenous communications (AVC) causing right-to-left shunt and hepatopulmonary syndrome (HPS). After scanning the whole body and obtaining multiple view images of the lung, deep-inspiratory breath-hold (DIBrH) SPECT was obtained in 2 patients with HPS, which was automatically and three-dimensionally co-registered with DIBrH CT. In both patients, the whole body scan depicted systemic organs and confirmed the existence of right-to-left shunt. DIBrH SPECT-CT fusion images showed that perfusion defects were predominantly located at subpleural reticulo-nodular opacities and/or dilated vessels in the lung base. Subpleural reticulo-nodular opacities and/or dilated vessels in the lung base appear to be characteristic CT manifestation of intrapulmonary AVC in HPS.

引用

页码：413 / 419

页数：7

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