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Chenglong Liu
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JCSE01 - Perspectives for Lung Cancer Early Detection (ID 779)
- Event: WCLC 2018
- Type: Joint IASLC/CSCO/CAALC Session
- Track: Screening and Early Detection
- Presentations: 1
- Moderators:
- Coordinates: 9/23/2018, 07:30 - 11:15, Room 202 BD
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JCSE01.16 - Positive Correlation Between Whole Genomic Copy Number Variant Scoring and the Grading System in Lung Non-Mucinous Invasive Adenocarcinoma (ID 14705)
11:15 - 11:15 | Author(s): Chenglong Liu
- Abstract
Background
Grading systems of Lung adenocarcinoma have been proposed by Sica and Kadota in stage I tumors,but the predominant architectural subtypes grading system is applicable for resection samples mostly. The correlation between the histological subtypes and grading with whole genomic copy number variation(WGCNV) is unknown, and was investigated in lung non-mucinous invasive adenocarcinoma (LNMIA) at this study.The predominant histological subtype from 58 resection specimens of LNMIA and 20 para-cancerous lung tissues were collected by laser microdissection from HE staining FrameSlides PEN-Membrane slides.7 of 58 specimens,two predominant subtypes in one cancerous nodule were collected simultaneously. Whole genome amplification followed by high-throughput sequencing was used to deteted WGCNV with the para-cancerous lung tissues as normal reference set and WGCNV was scored by a particular formula.
The letters above the figure show the results of Chi-squared test, and same letters mean no significant difference.WGCNV median scores of 5 histological subtypes of LNMIA with three tiered architectural grades are shown in Table1. The WGCNV scores have a positive correlation with either histological subtypes and architectural grading system (Figure1 A and B). The differences of WGCNV scores are detected betweem two predominant subtypes in one cancerous nodule.
GWCNV scores display a positive correlation with three tiered architectural grading system and may has a potential value to predict prognosis in LNMIA. a9ded1e5ce5d75814730bb4caaf49419
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P1.09 - Pathology (Not CME Accredited Session) (ID 941)
- Event: WCLC 2018
- Type: Poster Viewing in the Exhibit Hall
- Track:
- Presentations: 1
- Moderators:
- Coordinates: 9/24/2018, 16:45 - 18:00, Exhibit Hall
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P1.09-19 - Positive Correlation Between Whole Genomic Copy Number Variant Scoring and the Grading System in Lung Non-Mucinous Invasive Adenocarcinoma (ID 12047)
16:45 - 18:00 | Author(s): Chenglong Liu
- Abstract
Background
Grading systems of Lung adenocarcinoma have been proposed by Sica and Kadota in stage I tumors,but the predominant architectural subtypes grading system is applicable for resection samples mostly. The correlation between the histological subtypes and grading with whole genomic copy number variation(WGCNV) is unknown, and was investigated in lung non-mucinous invasive adenocarcinoma (LNMIA) at this study.
a9ded1e5ce5d75814730bb4caaf49419 Method
The predominant histological subtype from 58 resection specimens of LNMIA and 20 para-cancerous lung tissues were collected by laser microdissection from HE staining FrameSlides PEN-Membrane slides.7 of 58 specimens,two predominant subtypes in one cancerous nodule were collected simultaneously. Whole genome amplification followed by high-throughput sequencing was used to deteted WGCNV with the para-cancerous lung tissues as normal reference set and WGCNV was scored by a particular formula.
4c3880bb027f159e801041b1021e88e8 Result
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WGCNV median scores of 5 histological subtypes of LNMIA with three tiered architectural grades are shown in Table1. The WGCNV scores have a positive correlation with either histological subtypes and architectural grading system (Figure1 A and B). The differences of WGCNV scores are detected betweem two predominant subtypes in one cancerous nodule.
8eea62084ca7e541d918e823422bd82e Conclusion
GWCNV scores display a positive correlation with three tiered architectural grading system and may has a potential value to predict prognosis in LNMIA.
6f8b794f3246b0c1e1780bb4d4d5dc53