4.6 Review

Research progress on the application of optical coherence tomography in the field of oncology

Journal

FRONTIERS IN ONCOLOGY
Volume 12, Issue -, Pages -

Publisher

FRONTIERS MEDIA SA
DOI: 10.3389/fonc.2022.953934

Keywords

optical coherence tomography; cancer imaging; oncological diseases; imaging technique; tumor diagnoses

Categories

Funding

  1. Guangdong Basic and Applied Basic Research Foundation [2021A1515011654]
  2. Fundamental Research Funds for the Central Universities of China [20720210117]
  3. Joint Funds for the Innovation of Science and Technology of Fujian province [2019Y9128]
  4. Xiamen Key Laboratory of Endocrine-Related Cancer Precision Medicine [XKLEC2021KF03, XKLEC2020KF05]
  5. Key Laboratory of OptoElectronic Science and Technology for Medicine of Ministry of Education, Fujian Provincial Key Laboratory of Photonics Technology [JYG2105]
  6. XMU Undergraduate Innovation and Entrepreneurship Training Programs [202210384051, S202210384404, 2021X1119, 2021Y1119, S202110384391]
  7. Shenzhen Bay Laboratory [SZBL2019062801005]
  8. Key Laboratory of Nanomedical Technology (Education Department of Fujian Province), School of Pharmacy, Nano Medical Technology Research Institute, Fujian Medical University [2022KLNT201]
  9. Science and Technology Project of Xiamen municipal Bureau of Science and Technology [3502Z20194044]

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Optical coherence tomography (OCT) is a non-invasive imaging technique that has become the gold standard for diagnosis in ophthalmology. It can rapidly detect diseased tissues and identify optical characteristics in the early stage of disease, which is significant for early diagnosis of tumor diseases.
Optical coherence tomography (OCT) is a non-invasive imaging technique which has become the gold standard for diagnosis in the field of ophthalmology. However, in contrast to the eye, nontransparent tissues exhibit a high degree of optical scattering and absorption, resulting in a limited OCT imaging depth. And the progress made in the past decade in OCT technology have made it possible to image nontransparent tissues with high spatial resolution at large (up to 2mm) imaging depth. On the one hand, OCT can be used in a rapid, noninvasive way to detect diseased tissues, organs, blood vessels or glands. On the other hand, it can also identify the optical characteristics of suspicious parts in the early stage of the disease, which is of great significance for the early diagnosis of tumor diseases. Furthermore, OCT imaging has been explored for imaging tumor cells and their dynamics, and for the monitoring of tumor responses to treatments. This review summarizes the recent advances in the OCT area, which application in oncological diagnosis and treatment in different types: (1) superficial tumors:OCT could detect microscopic information on the skin's surface at high resolution and has been demonstrated to help diagnose common skin cancers; (2) gastrointestinal tumors: OCT can be integrated into small probes and catheters to image the structure of the stomach wall, enabling the diagnosis and differentiation of gastrointestinal tumors and inflammation; (3) deep tumors: with the rapid development of OCT imaging technology, it has shown great potential in the diagnosis of deep tumors such in brain tumors, breast cancer, bladder cancer, and lung cancer.

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