5 edition of Optical Tomography and Spectroscopy of Tissue III found in the catalog.
July 1999 by Society of Photo Optical .
Written in English
|Contributions||Britton Chance (Editor), Robert R. Alfano (Editor), Bruce J. Tromberg (Editor)|
|The Physical Object|
Scheel, J. These researchers stated that appropriately designed prospective comparative studies are needed, given the paucity of data comparing OCT with dermoscopy and other similar diagnostic aids such as reflectance confocal microscopy. By leveraging the complementary information acquired by the intra-operative PS-OCT system, healthy fibro-adipose tissue, healthy stroma, and IDC could be differentiated with an accuracy of These image-guided procedures are frequently limited by spatial resolution when using ultrasound imaging, or by temporal resolution rapid real-time feedback capabilities when using x-ray CT.
Ren, B. Ntziachristos, A. Through time-of-flight measurements, photon path-length may be directly observed by dividing resolved time by the speed of light. Beuthan and A. Nguyen et al noted that during breast-conserving surgeries, axillary lymph nodes draining from the primary tumor site are removed for disease staging. Percentage areas of low DOPU in the choroidal interstitial stroma of the sunset group were significantly lower than those of other groups and showed no overlap with other groups.
It is yet unclear whether fluorescence imaging can detect positive surgical margins. Kohl, eds. Gunther, M. PubMed was searched for English articles on intraoperative imaging during NSS of renal cell carcinoma published afterand a reference search of retrieved articles was performed. PDF file L.
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Yamashiro, Jessica J. These researchers included 5 studies with cutaneous lesions malignant lesions providing 9 datasets for OCT, 2 for visual inspection alone, and 2 for visual inspection plus dermoscopy. Fluorescence polarization delineated lateral breast cancer margins with contrast superior to that provided by OCT.
Klose, A. For example, this device has the potential to be used in a doctor's office, a global health situation, a natural environment, and it could be used as a health tracker. In the future, wireless fNIRS could allow neurophotonics to become portable.
The authors concluded that the heterogeneity map simplified the contrast between tumor and normal stroma in breast tissue, facilitating the rapid identification of possible areas of malignancy, which is an important step towards intra-operative margin assessment using OCE.
Optical coherence microelastography OCME is a 3-D, high-resolution imaging technique that is sensitive to micro-scale variations of the mechanical properties of tissue. Xu, W. Graber, R. The results of our pilot clinical studies showed pronounced opto-acoustic contrast of approx.
Catarious Jr. The se researchers stated that this study demonstrated the potential of using PS-OCT as a complementary adjunct imaging modality to OCT for enhanced breast cancer detection in the operation room. PS-OCT is used to discriminate healthy from diseased chords, as the latter must be excised and replaced in clinical conventional interventions.
Hielscher, " Methods in photon migration tomography," Proc. Barbour, "Performance characteristics of a silicon-photodiode-based instrument for fast functional optical tomography," in Optical Tomography and Spectroscopy of Tissue IV, B.
Prostatectomy Yoon and colleagues noted that preservation of prostatic nerves is critical to recovery of a man's sexual potency after radical prostatectomy. The authors concluded that these results demonstrated the feasibility of using PS-OCT to supplement structural OCT as a possible method for intra-operative tumor margin evaluation.
Vurek, eds. They assessed the sensitivity and specificity of double-blinded trained readers who analyzed intra-operative OCT LN images for presence of metastatic disease, using co-registered post-operative histopathology as the gold standard. PDF file L.Part three describes diagnostic laser methods, for example optical coherence tomography, spectroscopy, optical biopsy, and time-resolved fluorescence polarization spectroscopy.
Those methods help doctors to refine the scope of involvement of the particular body part or. First clinical prototype laser optoacoustic imaging system (LOIS) for breast cancer detection was designed and fabricated using a compact Nd:YAG laser, fiberoptic light delivery system, a linear array of 12 wide-band acoustic transducers, and a data acquisition card operated by computer with original signal processing and image reconstruction atlasbowling.com by: Clinical applications of near-infrared diffuse correlation spectroscopy and tomography for tissue blood flow monitoring and imaging View the table of contents for this issue, or go to the journal homepage for more (NIRS) or diffuse optical spectroscopy (DOS), takes advantage of the low absorption spectrum of biological tissues in the NIR.
/ Opto-acoustic imaging of oral cancer: feasibility studies in hamster model of squamous cell carcinoma.
Proceedings of SPIE - The International Society for Optical Engineering. Vol. Society of Photo-Optical Instrumentation Engineers, pp. Cited by: Optical coherence tomography (OCT) is the optical analog of ultrasound imaging and is a powerful imaging technique that enables non-invasive, in vivo, high resolution, cross-sectional imaging in biological tissue.
Between 30 to 40 Million OCT imaging procedures are performed per year in ophthalmology.
Optical tomography using independent component analysis to detect absorptive, scattering, or fluorescent inhomogeneities in turbid media. In Optical Tomography and Spectroscopy of Tissue VII, volume of Proceedings of SPIE, pagesJan.San Jose, California, USA, M.
Xu and R. R. Alfano. Light depolarization in turbid media.