Feng

Introduction

Cancer screening is the procedure that aims to detect cancer before any signs or symptoms of cancer arise; it is potentially useful for medical diagnosis because early detection of cancer greatly increases the chances for successful treatment [1]. For the case of oral cancer, screening is particularly important as survival does correlate with stage, making early diagnosis and treatment optimal for this disease [2]. Unfortunately, the diagnosis constantly rely on physical examination followed by biopsy confirmation, which could result in delay in diagnosis [3]. As such, more and more research are being conducted to develop easy-to-use, cost effective oral cancer screening devices to encourage and improve this important procedure.

Background

Currently, there is a number of hand held devices available on the market for oral cancer screening purpose. Some examples are Velscope, ViziLite and Identafi.

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References

[1] https://www.who.int/cancer/detection/en/

[2] Ries LAG, Kosary CL, Hankey BF, et al. SEER Cancer Statistics Review, 1973-1995. Bethesda, MD, NCI.2. American Cancer Society, Facts and Figures, 2000.

[3] https://oralcancerfoundation.org/discovery-diagnosis/cancer-screening-protocols/

[4] Mascitti, M. et al. "An Overview on Current Non-invasive Diagnostic Devices in Oral Oncology" Front. Physiol. 9, 1510 (2018)