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Updated: May 12, 2026

Therapy Testing in a Spheroid-based 3D Cell Culture Model for Head and Neck Squamous Cell Carcinoma
Published on: April 20, 2018
Risk factors for multiple malignancies in the head and neck
Alberto Deganello1, Gianni Gitti, Giuditta Mannelli
1First Clinic of Otolaryngology and Head-Neck Surgery, University of Florence, Italy. adeganello@hotmail.com
Genetic factors like microsatellite instability and chromosome fragility increase the risk of developing multiple malignancies (MM) in head and neck cancer (HNC) patients. Smoking also elevates this risk.
Area of Science:
- Oncology
- Genetics
- Epidemiology
Background:
- Head and neck cancer (HNC) patients face a significant risk of developing subsequent primary malignancies.
- Identifying prognostic factors for multiple malignancies (MM) is crucial for risk stratification and personalized management in HNC survivors.
Purpose of the Study:
- To investigate the prognostic significance of epidemiological, clinical, and biological factors in predicting the development of MM among HNC patients.
Main Methods:
- A historical cohort study involving 96 HNC patients treated with curative radiotherapy between 1987 and 1991.
- Analysis of p53 gene status, microsatellite instability (MSI), and inherited chromosome fragility (CF) in relation to MM development.
- Correlation of these factors, along with post-treatment smoking, with the risk of MM.
Main Results:
- The incidence of MM was 28.9% in the studied cohort.
- Microsatellite instability (MSI) (P=0.05), chromosome fragility (CF) (P<0.01), and post-treatment smoking (P=0.02) were significantly associated with an increased risk of MM.
- These findings highlight specific biomarkers and behavioral factors influencing MM risk.
Conclusions:
- Genetic susceptibility, indicated by MSI and CF, appears to play a pivotal role in the development of MM in HNC patients.
- The study underscores the importance of genetic profiling and lifestyle counseling for HNC survivors to mitigate MM risk.
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