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Molecular staging of stage II and III colon cancer and prognosis

A colorectal cancer, risk analysis technology, applied in biochemical equipment and methods, microbial determination/examination, instruments, etc., can solve the problem of not being able to evaluate lymph nodes

Inactive Publication Date: 2011-01-26
VERIDEX LCC
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, due to patient, surgeon, pathologist, and tumor-related variables, 63% of patients with colon cancer may not have adequate lymph node assessment

Method used

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  • Molecular staging of stage II and III colon cancer and prognosis
  • Molecular staging of stage II and III colon cancer and prognosis
  • Molecular staging of stage II and III colon cancer and prognosis

Examples

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example 1

[0033] Materials and methods

[0034] patient sample

[0035] Frozen tumor specimens were obtained from 78 coded stage II and 59 stage III colon cancer patients. Archived primary tumor samples were collected at the time of surgery. Histopathology of each specimen was assessed on hematoxylin-eosin-stained tissue sections to determine diagnosis and tumor content. Estimate the percentage tumor content by counting the nuclei of epithelial tumor cells. Patient eligibility criteria included: primary stage II and III adenocarcinoma of the colon, primary treatment only with surgery, no need for adjuvant or neoadjuvant therapy, at least 70% tumor cells in tissue samples, and a follow-up period of at least 3 years , excluding patients who had previously developed distant recurrence. Postoperative patients were monitored in accordance with the general practice of colon cancer patients, including patient-specific physical examination, blood counts, liver function tests, serum CEA,...

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Abstract

Kits and articles include reagents for conducting a seven gene assay to stage colon cancer as Stage II or Stage III colon cancer.

Description

Background technique [0001] Accurate staging of colon cancer is not only beneficial to the prognosis of the disease, but also beneficial to the clinical management and treatment selection of patients. The TNM system based on clinical and pathological features was introduced in the 1940s and gradually evolved to become widely adopted after the 1980s (Quirke et al. (2007)). In these guidelines, adequate lymph node assessment is essential for correct staging of colon cancer. However, due to patient, surgeon, pathologist, and tumor-related variables, 63% of patients with colon cancer may not have adequate lymph node assessment. (Baxter et al. (2005)). [0002] Genomic approaches have been successfully applied to identification of cancer classes and subclasses, prediction of disease progression, and prediction of treatment selection and efficacy (Bhattacharjee et al. (2001); Khan et al. (2001); Sorlie et al. (2003); Agrawal et al. ( 2002); and Wang et al. (2005)). Genetic and e...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12Q1/68G06F19/00
CPCC12Q2600/112C12Q2600/16C12Q1/6886C12Q2600/158C12Q2600/118G16C20/60G16B35/00C12Q1/6837
Inventor Y·蒋Y·张Y·王
Owner VERIDEX LCC
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