Preoperative brain functional network positioning method based on resting-state functional magnetic resonance

A functional magnetic resonance and brain function network technology, applied in medical science, sensors, diagnostic recording/measurement, etc., can solve problems such as noise, difficult to define seed points, and inability to automatically identify components, so as to preserve neural function and solve component splitting. , the effect of avoiding subjective errors

Inactive Publication Date: 2015-02-11
HANGZHOU NORMAL UNIVERSITY +1
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Problems solved by technology

[0006] The purpose of the present invention is to address the deficiencies of the prior art. The present invention provides a simple and easy to implement, automatic preoperative brain function network positioning method based on resting state functional magnetic resonance, and simultaneously solves the difficulty of defining seed points, noise problems, Unable to co-locate multifunctional networks, unable to reasonably optimize the model order, and unable to automatically identify components

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  • Preoperative brain functional network positioning method based on resting-state functional magnetic resonance
  • Preoperative brain functional network positioning method based on resting-state functional magnetic resonance
  • Preoperative brain functional network positioning method based on resting-state functional magnetic resonance

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[0048] In order to make the purpose, technical solutions and advantages of the present invention clearer, the following in conjunction with specific examples, and with reference to the appended Figure 1-4 , taking the functional positioning of the sensorimotor area and the language area as an example, the present invention will be further described in detail.

[0049] Step (1). Screening patients:

[0050] Patient enrollment: Inpatients with intracranial tumors or other inpatients who need to undergo craniotomy were jointly confirmed by the imaging department of the hospital, functional neurosurgery or neurosurgery doctors through clinical routine imaging data (such as computerized tomography scan);

[0051] Patients who do not require preoperative functional positioning are confirmed by radiologists, such as extracerebral tumors such as meningiomas and non-functional area lesions;

[0052] The imaging department and neurosurgeon jointly determine and exclude patients who do...

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Abstract

The invention discloses a preoperative brain functional network positioning method based on resting-state functional magnetic resonance. The method comprises the steps of constructing a dissection template by task-state functional magnetic resonance according to a position of a nidus brain zone, performing resting-state functional magnetic resonance scanning, performing resting-state functional magnetic resonance data resolution by an independent component analysis method to extract brain functional networks, performing similarity matching on the brain functional networks by a template matching method to find out the most similar brain functional network and the second similar brain functional network, and performing analysis processing to obtain the optimum brain functional network for preoperative functional positioning. The method solves the three classic problems that the traditional preoperative positioning seed point is difficult to determine, the order number of an independent component analysis model is difficult to determine, and component recognition is great in subjectivity and fallible; and the method allows the preoperative positioning to be objective, accurate, automatic, simple and convenient.

Description

technical field [0001] The invention relates to medical image processing auxiliary technology, which is an automatic functional network screening method based on independent component analysis results of resting brain functional imaging, and is used for automatic identification of brain functional networks for neurosurgery preoperative positioning. Background technique [0002] Intracranial tumors include primary brain tumors and metastatic tumors, accounting for about 5% of systemic tumors and 70% of childhood tumors. Because of its expansive and infiltrating growth, when it occupies a certain space in the brain, no matter whether its nature is benign or malignant, it will inevitably increase intracranial pressure, compress brain tissue, cause central nervous system damage, and endanger the patient's life. The primary treatment for intracranial tumors is brain surgery. The principle is to remove as much of the tumor as possible while preserving neurological function to the ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/055
CPCA61B5/055
Inventor 张寒路俊锋吴劲松臧玉峰
Owner HANGZHOU NORMAL UNIVERSITY
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