肝囊肿英文课件.ppt

文档介绍：Hepatic Cysts
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Introduction
The term hepatic cyst usually refers to infection
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Auxiliary inspection
1、Lab Studies:
liver (renal) function test ,PT,KPTT;
BR (eosinophilia 嗜红细胞增多) , echinococcal antibody titers
2、Imaging Studies:
Ultrasonography
Computed tomography
MRI
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Imaging Studies
Ultrasound appearance
of a patient with a
large simple hepatic
cyst.
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Imaging Studies
CT scan appearance of a large hepatic cyst.

MRI reconstruction in a
patient with a large
echinococcal cyst;
note daughter cysts in interior.
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Auxiliary inspection
3、Percutaneous Aspiration avoided
cytologic evaluation of the cyst fluid is nondiagnostic
a small risk exists of inducing anaphylaxis from leakage from the hydatid cyst.
4、Histologic Findings: routinely, suspected neoplasm
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Differentiatial diagnosis
based on the patient symptoms and the radiographic appearance of the lesion
Simple cysts tend to have thin and uniform walls ,homogenous low-density interiors.
Cystic neoplasms tend to have thicker, irregular, hypervascular walls and heterogeneous interiors with septa（隔膜） and papillary extrusions（乳头状突起）.
echinococcal cysts can be identified by the presence of daughter cysts within a thick-walled main cavity.
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Indications and Contraindications
nonparasitic cysts : symptomatic patients
echinococcal cysts: complications related to cyst growth and rupture
contraind