{"title":"Unusual Synchronous Multiple Primary Early-Stage Lung Adenocarcinoma with Concomitant MET Exon 14 Skipping, PIK3CA and KRAS Mutations: A Case Report.","authors":"Yongjing Zhang, Qiqi Gao","doi":"10.1159/000540355","DOIUrl":null,"url":null,"abstract":"<p><strong>Instruction: </strong>Synchronous multiple primary lung cancer (sMPLC) constitutes a distinct subtype of NSCLC, where accurate diagnosis and prognostic evaluation remain challenging.</p><p><strong>Case presentation: </strong>The case involves a 70-year-old male patient admitted to the hospital due to bilateral pulmonary nodules. The patient underwent staged resection. Molecular pathological examination revealed that tumor A harbored concurrent mutations in MET exon 14 skipping and PIK3CA (p.E545K), while tumor B exhibited a KRAS exon 2 (p.G12S/D) mutation. Postoperatively, the patient demonstrated a favorable recovery, with no evidence of recurrence for 1 year.</p><p><strong>Conclusion: </strong>This study presents a case of sMPLC in early-stage lung cancer, illustrating the genetic heterogeneity in early-stage lung adenocarcinoma and underscoring the significance of precise evaluation of sMPLC and intrapulmonary metastases.</p>","PeriodicalId":9625,"journal":{"name":"Case Reports in Oncology","volume":"17 1","pages":"874-881"},"PeriodicalIF":0.7000,"publicationDate":"2024-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11324270/pdf/","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Case Reports in Oncology","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1159/000540355","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2024/1/1 0:00:00","PubModel":"eCollection","JCR":"Q4","JCRName":"ONCOLOGY","Score":null,"Total":0}
引用次数: 0
Abstract
Instruction: Synchronous multiple primary lung cancer (sMPLC) constitutes a distinct subtype of NSCLC, where accurate diagnosis and prognostic evaluation remain challenging.
Case presentation: The case involves a 70-year-old male patient admitted to the hospital due to bilateral pulmonary nodules. The patient underwent staged resection. Molecular pathological examination revealed that tumor A harbored concurrent mutations in MET exon 14 skipping and PIK3CA (p.E545K), while tumor B exhibited a KRAS exon 2 (p.G12S/D) mutation. Postoperatively, the patient demonstrated a favorable recovery, with no evidence of recurrence for 1 year.
Conclusion: This study presents a case of sMPLC in early-stage lung cancer, illustrating the genetic heterogeneity in early-stage lung adenocarcinoma and underscoring the significance of precise evaluation of sMPLC and intrapulmonary metastases.
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