1. Stephen Lam

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    1. Mentioned In 27 Articles

    2. Bronchial thermoplasty in asthma: 2-year follow-up using optical coherence tomography

      Bronchial thermoplasty in asthma: 2-year follow-up using optical coherence tomography
      Bronchial thermoplasty (BT) is a novel, nonpharmacological procedure for treatment of severe asthma. Recently, the Asthma Intervention Research 2 clinical trial demonstrated asthmatics had fewer hospitalisations following BT, which persisted 5 years after therapy [1]. However, it is well recognised that asthma is a heterogeneous disease with distinct asthma phenotypes and, not surprisingly, not all asthmatics in that trial benefited from BT [2].
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    3. Passive endoscopic polarization sensitive optical coherence tomography with completely fiber based optical components

      Passive endoscopic polarization sensitive optical coherence tomography with completely fiber based optical components
      ... Lane Samson Ng Endoscopic Microscopy X; and Optical Techniques in Pulmonary Medicine II Melissa J. Suter; Stephen Lam; Matthew Brenner; Guillermo J. Tearney; Thomas D. Wang San Francisco, California, United States |...
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    4. A high-efficiency fiber-based imaging system for co-registered autofluorescence and optical coherence tomography

      A high-efficiency fiber-based imaging system for co-registered autofluorescence and optical coherence tomography
      We present a power-efficient fiber-based imaging system capable of co-registered autofluorescence imaging and optical coherence tomography (AF/OCT). The system employs a custom fiber optic rotary joint (FORJ) with an embedded dichroic mirror to efficiently combine the OCT and AF pathways. This three-port wavelength multiplexing FORJ setup has a throughput of more than 83% for collected AF emission, significantly more efficient compared to previously reported fiber-based methods. A custom 900 ...
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    5. High speed, wide velocity dynamic range Doppler optical coherence tomography (Part IV): split spectrum processing in rotary catheter probes

      High speed, wide velocity dynamic range Doppler optical coherence tomography (Part IV): split spectrum processing in rotary catheter probes
      ...ctor X.D. Yang »View Author Affiliations Barry Vuong,^1 Anthony M.D. Lee,^2 Timothy W.H. Luk,^1 Cuiru Sun,^1 Stephen Lam,^2 Pierre Lane,^2 and Victor X.D. Yang^1,^3,^4,^* ^1Biophotonics and Bioengineering Laboratory, ...
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    6. Automated segmentation of porcine airway wall layers using optical coherence tomography: comparison with manual segmentation and histology

      Automated segmentation of porcine airway wall layers using optical coherence tomography: comparison with manual segmentation and histology
      ...segmentation and histology Miranda Kirby ; Anthony M. D. Lee ; Tara Candido ; Calum MacAulay ; Pierre Lane ; Stephen Lam ; Harvey O. Coxson; Automated segmentation of porcine airway wall layers using optical coherence t...
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    7. Multimodal tissue imaging: using coregistered optical tomography data to estimate tissue autofluorescence intensity change due to scattering and absorption by neoplastic epithelial cells

      Multimodal tissue imaging: using coregistered optical tomography data to estimate tissue autofluorescence intensity change due to scattering and absorption by neoplastic epithelial cells
      Autofluorescence (AF) imaging provides valuable information about the structural and chemical states of tissue that can be used for early cancer detection. Optical scattering and absorption of excitation and emission light by the epithelium can significantly affect observed tissue AF intensity. Determining the effect of epithelial attenuation on the AF intensity could lead to a more accurate interpretation of AF intensity. We propose to use optical coherence tomography coregistered with ...
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    8. In vivo lung microvasculature visualized in three dimensions using fiber-optic color Doppler optical coherence tomography

      In vivo lung microvasculature visualized in three dimensions using fiber-optic color Doppler optical coherence tomography
      For the first time, the use of fiber-optic color Doppler optical coherence tomography (CDOCT) to map in vivo the three-dimensional (3-D) vascular network of airway segments in human lungs is demonstrated. Visualizing the 3-D vascular network in the lungs may provide new opportunities for detecting and monitoring lung diseases such as asthma, chronic obstructive pulmonary disease, and lung cancer. Our CDOCT instrument employs a rotary fiber-optic probe that provides simultaneous ...
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    9. Interventions in Pulmonary Medicine (Book)

      Interventions in Pulmonary Medicine (Book)
      Optical coherence tomography (OCT) is a promising technique for clinical diagnosis of various types of tissue, because high-resolution tomography is easily obtained by its compact imaging optics. The fundamental principles of OCT evolved from optical one-dimensional low-coherence reflectometry, which uses a Michelson interferometer and a broadband light source. Due to the additional transverse scanning (B-scan), two-dimensional imaging was obtained, and this technique was named OCT by Fujimoto and rapidly expanded ...
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    10. 1-15 of 27 1 2 »
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  2. About Stephen Lam

    Stephen Lam

    Stephen Lam is with the Cancer Imaging Department at the  British Columbia Cancer Agency in Canada.