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A novel tool for the objective measurement of neck fibrosis: validation in clinical practice
Christopher J Chin1, Jason H Franklin, Benjamin Turner
1Department of Otolaryngology–Head and Neck Surgery, Western University, London, ON.
Background:
Radiotherapy is commonly used to treat neoplasms of the head and neck, and fibrosis is a known side effect. The Cutometer is a device that quantifies properties of the skin. The goal of the study was to validate the Cutometer in normal neck tissues and then quantify fibrosis in radiated necks.
Methods:
We performed a prospective study of 251 patients. The elasticity and stiffness parameters were recorded. Control patients were compared to determine the correlation between their left and right sides. Next, the treatment groups were compared using a nonparametric test (Kruskal-Wallis).
Results:
We found a significant correlation between the left and right sides of the control patients' necks, supporting the view that the Cutometer provides reproducible measurements in the normal neck. Furthermore, the Cutometer demonstrated reduced elasticity in necks treated with radiation, surgery-radiation, and chemoradiation. No significant difference in stiffness was seen.
Conclusion:
The Cutometer may serve as a valuable and valid tool for the measurement of neck skin elasticity. Radiated patients have a quantifiable decrease in their skin elasticity.
