Measurement of mouse head and neck tumors by automated analysis of CBCT images.

Measurement of mouse head and neck tumors by automated analysis of CBCT images.
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DOI:
10.1038/s41598-023-39159-6
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发表时间:
2023-07-25
期刊:
影响因子:
4.6
通讯作者:
Karam, Sana D.
Karam, Sana D.
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Van Court, Benjamin;Neupert, Brooke;Nguyen, Diemmy;Ross, Richard;Knitz, Michael W.;Karam, Sana D.

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Animal experiments are often used to determine effects of drugs and other biological conditions on cancer progression, but poor accuracy and reproducibility of established tumor measurement methods make results unreliable. In orthotopic mouse models of head and neck cancer, tumor volumes approximated from caliper measurements are conventionally used to compare groups, but geometrical challenges make the procedure imprecise. To address this, we developed software to better measure these tumors by automated analysis of cone-beam computed tomography (CBCT) scans. This allows for analyses of tumor shape and growth dynamics that would otherwise be too inaccurate to provide biological insight. Monitoring tumor growth by calipers and imaging in parallel, we find that caliper measurements of small tumors are weakly correlated with actual tumor volume and highly susceptible to experimenter bias. The method presented provides a unique window to sources of error in a foundational aspect of preclinical head and neck cancer research and a valuable tool to mitigate them.
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