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Next-generation sequencing revealed synchronous double primary lung squamous carcinoma: a case report
De-Song Yang1, Kai Huang2, Min Su1
1Department of Thoracic Surgery II, The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University/Hunan Cancer Hospital, Changsha, Hunan, China.
The Journal of International Medical Research
|May 26, 2021
Summary
Synchronous double primary lung squamous cell carcinoma is rare and challenging to diagnose. Genetic profiling identified a novel TP53 mutation, underscoring the importance of molecular testing for accurate lung cancer diagnosis.
Area of Science:
- Oncology
- Genetics
- Pathology
Background:
- Synchronous double primary lung squamous cell carcinoma (sDPLSCC) presents diagnostic challenges, often mimicking metastatic disease.
- Multiple primary lung cancers (MPLC) require precise therapeutic strategies due to tumor heterogeneity.
Observation:
- A rare case of sDPLSCC in a 61-year-old male is presented.
- Diagnosis was confirmed through integrated histology and comprehensive genetic profiling.
Findings:
- LSCC-related driver mutations were identified in the patient's tumors.
- A novel TP53 c.475G>C mutation was discovered in lung squamous carcinoma, previously reported in breast and liver cancers.
Implications:
- This case highlights the diagnostic utility of genetic testing in distinguishing primary lung cancers.
- The identification of a novel mutation expands the known mutational landscape of lung squamous cell carcinoma.
- Findings support routine genetic profiling for accurate diagnosis and personalized treatment of lung cancer patients.
Keywords:
Bilateral primary tumorTP53 c.475G>Cgenomic profilingheterogeneitylung squamous carcinomanext-generation sequencing (NGS)
