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Low-dosage CT perfusion scanning imaging system

A scanning imaging and perfusion imaging technology, applied in the field of scanning imaging, can solve the problem of undiagnosed lymph node metastasis around the stomach, and achieve the effects of reducing radiation, improving spatial resolution, and improving span

Inactive Publication Date: 2019-12-10
AFFILIATED HOSPITAL JIANGNAN UNIV WUXI NO 4 PEOPLES HOSPITAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, there is currently no reliable and accurate imaging modality or technique for the diagnosis of perigastric lymph node metastases

Method used

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  • Low-dosage CT perfusion scanning imaging system
  • Low-dosage CT perfusion scanning imaging system
  • Low-dosage CT perfusion scanning imaging system

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Experimental program
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Effect test

Embodiment

[0027] Embodiment: a scanning imaging system of low-dose CT perfusion, including a mobile platform 2, a scanning imager 1 and a CT perfusion imaging scanning system arranged inside it, the CT perfusion imaging scanning system includes a main control module, and the main control module passes The control switch is activated, the power supply module is used for power supply of the CT perfusion imaging scanner, and the communication module is used for wired or wireless transmission of scanning data. The front end of the instrument housing of the imaging scanner is provided with a mobile platform 2, and the patient lies on the mobile platform 2 , control the operation of the mobile platform 2, drive the patient to move to the side close to the position of the scanner, use the imaging scanner to perform conventional abdominal CT plain scan, and the imaging scanner is a 64-slice spiral CT scanner;

[0028] Wherein, the main control module is connected with a helical CT scanning modul...

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Abstract

The invention relates to the technical field of scanning imaging, in particular to a low-dosage CT perfusion scanning imaging system and aims at solving the problems in the prior art. The low-dosage CT perfusion scanning imaging system comprises a moving table, a scanning imager and a CT perfusion imaging scanning system arranged in scanning imager; an image processing system is in communication connection to the CT perfusion imaging scanning system; the CT perfusion imaging scanning system comprises a main control module; and a spiral CT scanning module and a CT perfusion imaging scanning module are in communication connection to the main control module. For a low-dosage CT perfusion imaging target scanning technology, functional information on the aspect of blood flow dynamics of peripheral lymph nodes of stomach cancer can be provided, and a perfusion parameter BF value is a marker which is more effective than a parameter PS or the size of the lymph nodes on the aspect of pre-operative identification and diagnosis of perigastric metastasis and reactive hyperplastic lymph nodes, so that pre-operative precise staging of the stomach cancer is facilitated, unnecessary cleaning of the reactive hyperplastic lymph nodes in an operation can reduced, and prognosis of a patient is improved.

Description

technical field [0001] The invention relates to the technical field of scanning imaging, in particular to a scanning imaging system for low-dose CT perfusion. Background technique [0002] Lymph node metastasis is the most common way of gastric cancer metastasis, so a large proportion of gastric cancer patients will have enlarged and metastatic perigastric lymph nodes when they are initially diagnosed with gastric cancer. The presence of perigastric lymph node metastasis has a great impact on the treatment and prognosis of gastric cancer. If the lymph nodes around the stomach are extensively removed, it may affect the body's immune function and increase the trauma of the operation. Therefore, it is very important to accurately diagnose lymph node metastasis before gastric cancer surgery. Currently, according to traditional imaging diagnostic criteria, when the short axis of perigastric lymph nodes exceeds 10 mm, it is considered to be metastases. However, the diagnostic a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B6/03A61B6/00
CPCA61B6/035A61B6/481A61B6/507
Inventor 孙宗琼胡曙东王腾
Owner AFFILIATED HOSPITAL JIANGNAN UNIV WUXI NO 4 PEOPLES HOSPITAL
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