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Author: search.filters.author.Qiu, ZhenSubject: search.filters.subject.OCT

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    MEMS-Based Medical Endomicroscopes
    (2015-07-01)
    Qiu, Zhen
    ;
    Piyawattanametha, Wibool
    Progress toward early diagnosis of cancer would have significant clinical benefits in reducing mortality or prolonging life in cancer patients; thus, there is an important unmet clinical need to image cellular features of cancer in vivo and in real time to correlate pathological symptoms and underlying cells responsible for such symptoms. In this paper, we describe a review of microelectromechanical systems scanners-based endoscopic optical coherence tomography, confocal, two-photon, and photoacoustic microscopy imaging. These advanced optical imaging modalities can provide subcellular (micron-scale) resolution and deep tissue penetration to reveal both cells and molecular features for early cancer diagnosis, cancer staging, and surgical guidance.
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    MEMS based fiber optical microendoscopes
    (2015-01-01)
    Qiu, Zhen
    ;
    Piyawattanametha, Wibool
    Fiber-optical microendoscopy has recently been an essential medical diagnostic tool for patients in investigating tissues in vivo due to affordable cost, high quality imaging performance, compact size, high-speed imaging, and flexible movement. Microelectromechanical systems (MEMS) scanner technology has been playing a key role in shaping the miniaturization and enabling high-speed imaging of fiber-optical microendoscopy for over 20 years. In this article, both review of MEMS based fiber-optical microendoscopy for optical coherence tomography, confocal, and two-photon imaging will be discussed. These advanced optical endoscopic imaging modalities provide cellular and molecular features with deep tissue penetration enabling guided resections and early cancer assessment.