Case Study of Tc-99m HMPAO Brain SPECT Imaging in a Patient With Hepatic Encephalopathy and Carotid Artery Stenosis

被引：4
|
作者：
Blend, Michael J. [1 ]
Rohany, Mehdi [1 ]
Jones-Martinez, Nicole [2 ]
De Leon, Ovidio A. [2 ]
机构：
[1] Univ Illinois, Coll Med, Dept Radiol, Nucl Med Sect, Chicago, IL USA
[2] Univ Illinois, Dept Psychiat, Coll Med, Chicago, IL 60612 USA
来源：
CLINICAL NUCLEAR MEDICINE | 2010年 / 35卷 / 05期
关键词：
cerebral perfusion SPECT imaging; hepatic encephalopathy; CEREBRAL AMMONIA METABOLISM; BLOOD-FLOW; CIRRHOSIS; PATHOPHYSIOLOGY;
D O I：
10.1097/RLU.0b013e3181d62515
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：
A patient with hepatic encephalopathy is described. An initial SPECT using Tc-99m HMPAO was performed to evaluate relative brain perfusion. The initial brain SPECT images revealed decreased perfusion in the left frontal temporal lobe region. A subsequent carotid Doppler study revealed left-sided carotid artery stenosis. After appropriate medical treatment for elevated NH(3) levels and reversal of the patient's symptoms, repeat SPECT brain images showed a normal pattern of activity. The possible causes and significance for these image findings are discussed.
引用
收藏
页码：317 / 320
页数：4
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