IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0758716
(2007-06-06)
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등록번호 |
US-8682693
(2014-03-25)
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발명자
/ 주소 |
- Rao, R. Bharat
- Sandilya, Sathyakama
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출원인 / 주소 |
- Siemens Medical Solutions USA, Inc.
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
0 인용 특허 :
79 |
초록
▼
A system and method for lung cancer screening is provided. The system includes a database including structured patient information for a patient population and a domain knowledge base including information about lung cancer; an individual patient record; and a processor for analyzing the patient rec
A system and method for lung cancer screening is provided. The system includes a database including structured patient information for a patient population and a domain knowledge base including information about lung cancer; an individual patient record; and a processor for analyzing the patient record with data from the database to determine if a patient has indications of lung cancer. The method includes the steps of inputting patient-specific data into a patient record; performing at least one lung cancer screening procedure on a patient, wherein at least one result from at least one procedure is inputted into the patient record in a structured format; and analyzing the patient record with a domain knowledge base to determine if the patient has indications of lung cancer.
대표청구항
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1. A lung cancer screening system comprising: a database including patient population information in a structured format and for a patient population associated with lung cancer and a domain knowledge base including knowledge information about lung cancer;an individual patient record of an individua
1. A lung cancer screening system comprising: a database including patient population information in a structured format and for a patient population associated with lung cancer and a domain knowledge base including knowledge information about lung cancer;an individual patient record of an individual patient; anda processor configured, using a diagnosis module program tangibly embodied on a program storage device, to screen the individual patient record for a diagnosis of malignant lung cancer, the diagnosis screening comprising determining a current state of the individual patient from a combination of values from multiple variables of the individual patient and determining whether or not the current state of the individual patient indicates the diagnosis of the malignant lung cancer as a function of the individual patient record, the patient population information in the structured format, and the knowledge information about lung cancer from the domain knowledge base of the database, the processor configured to determine a probability less than 100 percent of the diagnosis that the patient is of the current state, the probability being a function of the individual patient record and the knowledge information about lung cancer;wherein the processor is configured to, for a first one of the values of a first one of the variables, receive different possible values from different sources for the first value of the individual patient, identify a conflict between the different sources, reconcile the conflict between the different possible values for the first value based on a knowledge base, the probability being a function of the reconciled conflict between the different possible values;wherein the processor further comprises a modeling module for extracting only patient records from the patient population information for patients with similar characteristics as the individual patient, and for analyzing the extracted patient population information of the database to determine a trend in the patients of the patient population with the similar characteristics of the individual patient as determined by the individual patient record, the modeling module predicting a progression of lung cancer in the patient based on the determined trend and predicting lung cancer risk. 2. The system as in claim 1, wherein the database is populated with the patient information collected prior to any association with lung cancer. 3. The system as in claim 1, wherein the diagnosis module analyzes an imaging study to detect when a nodule is present and, when a nodule is present, registering the imaging study with previous imaging studies of the patient to determine growth of the nodule. 4. The system as in claim 3, wherein the imaging study is a computed tomography (CT) scan. 5. The system as in claim 1, wherein the processor further comprises a patient management module for determining a screening protocol for the patient. 6. The system as in claim 5, wherein the patient management module determines a time for a next testing procedure for the individual patient. 7. The system as in claim 6, wherein the next testing procedure is a computerized tomography (CT) scan. 8. The system as in claim 5, wherein the patient management module determines a testing procedure to be next performed for the individual patient and determines a time for the testing procedure for the individual patient. 9. The system as in claim 6, wherein the patient management module balances costs of potential tests to be performed against a risk of late detection of lung cancer to determine a maximum allowable time between tests for the individual patient. 10. The system as in claim 1, wherein the patient information comprises genetic markers. 11. The system as in claim 1, wherein the processor is configured to determine whether the current state of the individual patient has indications by performing a probabilistic inference based on the domain knowledge base. 12. The system as in claim 1, wherein the processor is configured to determine whether the current state of the individual patient has indications by performing volumetric serial study of several computed tomography scans associated with different times. 13. A lung cancer screening system comprising: a database including patient population information in a structured format and for a patient population and a domain knowledge base including knowledge information about lung cancer;an individual patient record of an individual patient;a processor configured, using a first program comprising a diagnosis module program tangibly embodied on a first program storage device, to determine whether or not the individual patient has indications of lung cancer as a function of the patient record and data from the database, the determination being part of screening for whether a current state of the individual patient indicates a diagnosis of malignant lung cancer, the current state determined from a combination of values from multiple variables of the individual patient; anda data miner configured, using a second program tangibly embodied on a second program storage device, to populate the database in the structured format with the patient population information representing values of variables indicative or not of malignant lung cancer by data mining patient records in both structured and unstructured formats;wherein the processor is configured to, for a first one of the values of a first one of the variables, receive different possible values from different sources for the first value of the individual patient, identify a conflict between the different sources, reconcile the conflict between the different possible values for the first value based on a knowledge base;wherein the processor further comprises a modeling module for extracting only patient records from the patient population information for patients with similar characteristics as the individual patient, and for analyzing the extracted patient population information of the database to determine a trend in the patients of the patient population with the similar characteristics of the individual patient as determined by the individual patient record, the modeling module predicting a progression of lung cancer in the patient based on the determined trend and predicting lung cancer risk, the prediction of the lung cancer risk being a function of the reconciled conflict between the different possible values. 14. A lung cancer screening system comprising: a database including patient population information in a structured format and for a patient population and a domain knowledge base including knowledge information about lung cancer;an individual patient record of an individual patient;a processor configured, using a diagnosis module program tangibly embodied on a program storage device, to determine that the individual patient has indications of a diagnosis of lung cancer as a function of a combination of multiple sources in the patient record and as a function of data from the database, the determination being part of screening for whether or not a current state of the individual patient includes malignant lung cancer; anda data miner for creating the individual patient record by mining values of variables indicative or not of malignant lung cancer from sources in both structured and unstructured formats;wherein the processor is configured to, for a first value of a first variable of the indications of the individual patient, receive different possible values from the multiple sources, identify a conflict between the multiple sources, and reconcile the conflict between the different possible values for the first value based on a knowledge base;wherein the processor further comprises a modeling module for extracting only patient records from the patient population information for patients with similar characteristics as the individual patient, and for analyzing the extracted patient population information of the database to determine a trend in the patients of the patient population with the similar characteristics of the individual patient as determined by the individual patient record, the modeling module predicting a progression of lung cancer in the patient based on the determined trend and predicting lung cancer risk, the prediction of the lung cancer risk being a function of the reconciled conflict between the different possible values.
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