Tumour cords in 52 human bronchial and cervical squamous cell carcinomas: Inferences for their cellular kinetics and radiobiology
1985

Tumour Cords in Human Carcinomas

Sample size: 52 publication Evidence: moderate

Author Information

Author(s): J.V. Moore, P.S. Hasleton, C.H. Buckley

Primary Institution: Paterson Laboratories, Christie Hospital and Holt Radium Institute

Hypothesis

What are the cellular kinetics and radiobiology of tumour cords in human bronchial and cervical squamous cell carcinomas?

Conclusion

The study found that tumour cords in cervical SCC had a higher proportion of dead cells compared to bronchial SCC, indicating differences in cellular kinetics and oxygenation.

Supporting Evidence

  • Only 14% of cervical SCC cases contained tumour cords.
  • Mean cord radius for cervical SCC was 104 microns.
  • Mitotic Index was 2.1% for cells adjacent to blood vessels in cords.

Takeaway

The study looked at how cancer cells grow in clusters near blood vessels and found that some of these cells might not get enough oxygen, making them harder to treat with radiation.

Methodology

Tumour samples were taken from patients, fixed, and processed for histology, with measurements of tumour cords and indices calculated from sections.

Limitations

The study only included patients who had not received prior radiotherapy or chemotherapy, which may limit the generalizability of the findings.

Participant Demographics

Cervical SCC patients had a mean age of 42 years, while bronchial SCC patients had a mean age of 64 years, with a higher proportion of males.

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