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Updated: Jun 1, 2026
11:17
Thoracoscopic Extended Right Middle Plus Lower Sleeve Lobectomy for Non-Small-Cell Lung Cancer
Published on: February 27, 2026
Small cell lung carcinoma with marked bronchial epithelial involvement
1Department of Pathology, Winthrop University Hospital, Mineola, NY 11501, USA. yrosen@optonline.net
International Journal of Surgical Pathology
|June 3, 2011
Summary
Researchers observed malignant neuroendocrine cells in bronchial epithelium alongside small cell lung carcinoma (SCLC). This finding may represent a novel SCLC precursor, warranting further investigation into bronchial mucosal abnormalities.
Area of Science:
- Pulmonology
- Oncology
- Pathology
Background:
- Small cell lung carcinoma (SCLC) is an aggressive form of lung cancer.
- The origins and precursors of SCLC are not fully understood.
- Neuroendocrine cells play a role in lung cancer development.
Observation:
- Malignant cells with a neuroendocrine immunophenotype were found within the bronchial epithelium.
- These cells were identified in a pulmonary lobectomy specimen containing combined SCLC.
- The presence of these intraepithelial cells is unusual and warrants further study.
Findings:
- The study identified a potential precursor lesion for SCLC within the bronchial epithelium.
- This intraepithelial neoplastic lesion exhibits a neuroendocrine immunophenotype.
- The findings suggest a possible new pathway for SCLC development.
Implications:
- This discovery could lead to earlier detection and diagnosis of SCLC.
- Understanding SCLC precursors may open new avenues for targeted therapies.
- Further research is needed to confirm the precursor role and explore its clinical significance.
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