Case Report: Transforming small cell lung cancer: two cases report and literature review

Transformation of non-small cell lung cancer (NSCLC) to small cell lung cancer (SCLC) is a relatively rare event with an incidence of about 3%-14%. Due to the poor treatment outcomes and prognosis associated with this transformation, understanding its underlying mechanisms is crucial for improving t...

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Main Authors: Jinlong Liu, Jing Ai, Lize Zhao, Yimeng Qian, Qingxin Zhao, Chunling Ma, Yu Zhao, Jing Zhao
Format: Article
Language:English
Published: Frontiers Media S.A. 2025-04-01
Series:Frontiers in Oncology
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Online Access:https://www.frontiersin.org/articles/10.3389/fonc.2025.1573624/full
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author Jinlong Liu
Jinlong Liu
Jing Ai
Jing Ai
Lize Zhao
Yimeng Qian
Yimeng Qian
Qingxin Zhao
Qingxin Zhao
Chunling Ma
Yu Zhao
Jing Zhao
author_facet Jinlong Liu
Jinlong Liu
Jing Ai
Jing Ai
Lize Zhao
Yimeng Qian
Yimeng Qian
Qingxin Zhao
Qingxin Zhao
Chunling Ma
Yu Zhao
Jing Zhao
author_sort Jinlong Liu
collection DOAJ
description Transformation of non-small cell lung cancer (NSCLC) to small cell lung cancer (SCLC) is a relatively rare event with an incidence of about 3%-14%. Due to the poor treatment outcomes and prognosis associated with this transformation, understanding its underlying mechanisms is crucial for improving the diagnosis, management, and prognosis of transformed small cell lung cancer (T-SCLC). In this paper, we present two cases of T-SCLC and review the molecular mechanisms, clinical features, and treatment strategies post-transformation. We emphasize the importance of considering pathological transformation in cases of resistance to NSCLC treatment, monitoring changes in tumor markers, and conducting a re-biopsy. Finally, we propose effective treatment measures for managing T-SCLC.
format Article
id doaj-art-322b76e88e3c4f56afc8bb0cd1c27858
institution OA Journals
issn 2234-943X
language English
publishDate 2025-04-01
publisher Frontiers Media S.A.
record_format Article
series Frontiers in Oncology
spelling doaj-art-322b76e88e3c4f56afc8bb0cd1c278582025-08-20T01:55:11ZengFrontiers Media S.A.Frontiers in Oncology2234-943X2025-04-011510.3389/fonc.2025.15736241573624Case Report: Transforming small cell lung cancer: two cases report and literature reviewJinlong Liu0Jinlong Liu1Jing Ai2Jing Ai3Lize Zhao4Yimeng Qian5Yimeng Qian6Qingxin Zhao7Qingxin Zhao8Chunling Ma9Yu Zhao10Jing Zhao11Department of Oncology, Hebei General Hospital, Shijiazhuang, ChinaGraduate School, Hebei North University, Zhangjiakou, ChinaDepartment of Oncology, Hebei General Hospital, Shijiazhuang, ChinaGraduate School, North China University of Science and Technology, Tangshan, ChinaDepartment of Vascular Surgery, Hebei General Hospital, Shijiazhuang, ChinaDepartment of Oncology, Hebei General Hospital, Shijiazhuang, ChinaGraduate School, Hebei North University, Zhangjiakou, ChinaDepartment of Oncology, Hebei General Hospital, Shijiazhuang, ChinaGraduate School, Hebei North University, Zhangjiakou, ChinaDepartment of Oncology, Hebei General Hospital, Shijiazhuang, ChinaDepartment of Oncology, Hebei General Hospital, Shijiazhuang, ChinaDepartment of Oncology, Hebei General Hospital, Shijiazhuang, ChinaTransformation of non-small cell lung cancer (NSCLC) to small cell lung cancer (SCLC) is a relatively rare event with an incidence of about 3%-14%. Due to the poor treatment outcomes and prognosis associated with this transformation, understanding its underlying mechanisms is crucial for improving the diagnosis, management, and prognosis of transformed small cell lung cancer (T-SCLC). In this paper, we present two cases of T-SCLC and review the molecular mechanisms, clinical features, and treatment strategies post-transformation. We emphasize the importance of considering pathological transformation in cases of resistance to NSCLC treatment, monitoring changes in tumor markers, and conducting a re-biopsy. Finally, we propose effective treatment measures for managing T-SCLC.https://www.frontiersin.org/articles/10.3389/fonc.2025.1573624/fulltransformed small cell lung cancertumor markersre-biopsypathological transformationdrug resistance
spellingShingle Jinlong Liu
Jinlong Liu
Jing Ai
Jing Ai
Lize Zhao
Yimeng Qian
Yimeng Qian
Qingxin Zhao
Qingxin Zhao
Chunling Ma
Yu Zhao
Jing Zhao
Case Report: Transforming small cell lung cancer: two cases report and literature review
Frontiers in Oncology
transformed small cell lung cancer
tumor markers
re-biopsy
pathological transformation
drug resistance
title Case Report: Transforming small cell lung cancer: two cases report and literature review
title_full Case Report: Transforming small cell lung cancer: two cases report and literature review
title_fullStr Case Report: Transforming small cell lung cancer: two cases report and literature review
title_full_unstemmed Case Report: Transforming small cell lung cancer: two cases report and literature review
title_short Case Report: Transforming small cell lung cancer: two cases report and literature review
title_sort case report transforming small cell lung cancer two cases report and literature review
topic transformed small cell lung cancer
tumor markers
re-biopsy
pathological transformation
drug resistance
url https://www.frontiersin.org/articles/10.3389/fonc.2025.1573624/full
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