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Li Lin
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P2.02 - Biology/Pathology (ID 616)
- Event: WCLC 2017
- Type: Poster Session with Presenters Present
- Track: Biology/Pathology
- Presentations: 1
- Moderators:
- Coordinates: 10/17/2017, 09:30 - 16:00, Exhibit Hall (Hall B + C)
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P2.02-004 - Gene Mutational Feature in Lung Enteric Adenocarcinoma by the Next Generation Sequencing (ID 8243)
09:30 - 09:30 | Author(s): Li Lin
- Abstract
Background:
Primary lung enteric adenocarcinoma is a rare type of invasive lung carcinoma. Its morphology and immunohistochemistry is close to colorectal carcinoma, but there is no associated primary colorectal carcinoma. The purpose of this study is to assess the gene mutational feature in lung enteric adenocarcinoma by the next generation sequencing.
Method:
From Feb. 2013 to Dec. 2016, 11 lung enteric adenocarcinoma patients (5 males and 6 females) received treatment from three medical centers: including Beijing, Zhejiang and Fujian. All the patients were diagnosed by pathology. Analysis was used by the next generation sequencing.
Result:
ALK/ROS1 primary point mutations were confirmed in 5 patients (71.42%, 5/7). MSH2/MSH6 point mutations were confirmed in 3 patient (42.86%, 3/7). There was no case with drive genes changed, such as EGFR mutation, ALK rearrangement, ROS1 rearrangement, RET rearrangement, MET amplification or 14 exon skipping mutation. The median overall survival (OS) of 11 lung enteric adenocarcinoma patients was 9.0 months, Subgroup analysis the median OS of ALK/ROS1 primary point mutation patients was 6.5 months, the median OS of MSH2/MSH6 primary point mutation patients was 26.0 months.
Conclusion:
ALK/ROS1 primary point mutations or MSH2/MSH6 point mutations are the most frequent feature of heterozygous mutation in our study. The MSH2/MSH6 subgroup of the median OS is longer. Further investigations will be required to validate our findings.
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P3.03 - Chemotherapy/Targeted Therapy (ID 719)
- Event: WCLC 2017
- Type: Poster Session with Presenters Present
- Track: Chemotherapy/Targeted Therapy
- Presentations: 1
- Moderators:
- Coordinates: 10/18/2017, 09:30 - 16:00, Exhibit Hall (Hall B + C)
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P3.03-005 - Diagnosis and Treatment Analysis of Lung Enteric Adenocarcinoma: 6 Case Report and Review of the Literature (ID 8284)
09:30 - 09:30 | Presenting Author(s): Li Lin
- Abstract
Background:
Primary lung enteric adenocarcinoma is a rare type of invasive lung carcinoma. This study mainly discusses the clinicopathological characteristics, diagnosis and treatment of primary lung enteric adenocarcinoma.
Method:
Retrospectively analysed clinical records of 6 cases admitted in hospital from Feb. 2013 to May 2016, and reviewed the literature of primary lung enteric adenocarcinoma.
Result:
Two patients were male and four patients were female with the age ranged from 25 to 78 years. Their symptoms consisted mainly of cough chest stuffy with 4 patients, neck mass with 1 case, dizziness nausea vomiting with 1 case; imagining scan showed mass of lung and or mediastinal, pathology form and the immunochemistry showed all positive for intestinal immune phenotypes and some positive for lung cancer immunophenotypic. But no tumor was found by gastrointestinal endoscopes; 1 case recurrence and metastasis after radical operation; 1 patient underdone palliative surgery, 1 patient with brain solitary metastasis onset received Cyber Knife and without system treatment, and 5 patients underwent chemotherapy. At the end of follow-up, 4 patients died, over survival time as long as 32 months.
Conclusion:
The primary lung enteric adenocarcinoma is easily confused with pulmonary metastases from colorectal cancer, confirmed diagnosis need to rule out intestinal lesion, the main early treatment is surgery, and systematic treatment programs need to be further studied.
