• Laser Doppler imaging by holography provides high-contrast visualization of local blood flow in choroidal vessels in humans, with a spatial resolution comparable to state-of-the-art indocyanine green angiography. (wikipedia.org)
  • Fluorescein angiography and indocyanine green angiography: This test examines the condition of the eye's blood vessels using a contrast dye. (inof.es)
  • Trans-scleral choroidal illumination produces detailed, non-invasive, views of the choroid, comparable to those of ICG (indocyanine green) angiography. (eyecarecentermd.com)
  • Indocyanine green angiography (ICGA) is useful for the study of occult CNV (OCNV), and particularly in identifying the characteristic patterns of idiopathic polypoidal choroidal vasculopathy (IPCV) and retinal angiomatous proliferation (RAP). (amdbook.org)
  • The eyes of 23 patients were included and tested for visual acuity, contrast sensitivity, microperimetry, optical coherence tomography (OCT) and fluorescein and indocyanine green angiography. (uk.com)
  • Several modalities have been used to aid parathyroid gland identification, including Raman spectroscopy, indocyanine green angiography, and NIRAF. (academic-accelerator.com)
  • Lurie Children's surgeons are continuously finding new ways to use the contrast dye used in fluorescence-guided surgery to improve outcomes for babies through young adults. (luriechildrens.org)
  • The researchers have concluded that these results demonstrate the ability to 3D print material that is spectrally equivalent to the most used contrast dye in fluorescence guided surgery (indocyanine green). (3dprinting.com)
  • Methods: This system was designed to detect the fluorescence of near-infrared contrast agents and, in particular, indocyanine green (ICG). (illinois.edu)
  • Indocyanine green (ICG) based near-infrared (NIR) fluorescence imaging and cone beam CT (CBCT) have advantages for intraoperative use. (biomedcentral.com)
  • selleck chemical By filtering light wavelengths below near-infrared, NIRF imaging causes the WL of the endoscopes to illuminate green while allowing simultaneous vision of the surrounding tissues. (flt-3inhibitors.com)
  • BackgroundIntrinsic near-infrared (NIR) autofluorescence of the parathyroid gland may improve intraoperative gland identification without the need for contrast agent injection. (academic-accelerator.com)
  • One example is near-infrared intraoperative fluorescence imaging with the contrast agent indocyanine green (ICG), which Cleveland Clinic surgeons have integrated into a number of robotic thoracic surgery procedures. (clevelandclinic.org)
  • Using indocyanine green (ICG), and illuminating the tissue with near-infrared light, the excited ICG can be detected by a camera with an optical filter. (dp.ua)
  • Multimodal contrast agents with high biocompatibility and biodegradability, as well as low material complexity, are in great demand for clinical diagnostics at different scales of resolution and/or for translating preclinical diagnosis into intraoperative imaging. (elsevierpure.com)
  • The study, which was led by Activ Surgical CMSO and founder, Dr. Peter Kim, used our ActivSight™ Intelligent Light Visualization System to determine if laser speckle contrast imaging (LSCI) mitigates limitations inherent in the use and interpretation of indocyanine green (ICG) fluorescence during real-time intraoperative tissue blood flow and perfusion in operating room scenarios. (activsurgical.com)
  • This contrasts with choroidal melanoma, which is generally more hyperfluorescent. (entokey.com)
  • We conducted a series of experiments on rats, using indocyanine green (ICG) and ICG-camera to determine the sentinel lymph node, followed by determination of its distribution in the body and surrounding tissues. (dp.ua)
  • After the contrast agent was injected directly into the prostate for an average of 31.4 minutes, it began to spread to the first lymph node, for 36.6 minutes the lymph vessels were contrasted and the accumulation was maximal, at 34 minutes the second lymph node was visualized, and the maximum accumulation occurred at 51 minute. (dp.ua)
  • in the canine surgical specimens, the contrast was sufficient to permit identification of neoplasia on the marginal surface of the specimen. (illinois.edu)
  • Thus, an image is obtained in which there is contrast between vessel and surrounding tissue. (wikipedia.org)
  • This paper describes the system calibration and demodulation procedures used in an investigation of the scatter-specific tissue contrast that can be obtained by high spatial frequency (HSF) domain imaging and cross- polarization (CP) imaging using an inexpensive color imaging system. (spie.org)
  • However, cancer NIR fluorescent sensors are very challenging to develop because they are required to exhibit good specificity and low toxicity as an eligible contrast agent. (dovepress.com)
  • As an alternative to an injected contrast agent, hemoglobin-based OE-RF measurements, which measures changes in tumor oxygenation, are also sensitive to treatment. (ithera-medical.com)
  • The contrast agent helps the surgeon identify which part of the lung is not perfused, allowing more precise targeting of the area that has been devascularized for resection. (clevelandclinic.org)
  • First, in vitro studies demonstrate longer detectability and greater emission intensity for [GdO] + [ICG] − IOH-NP suspensions than for ICG solutions, as well as a reduced toxicity compared to that of Gd-DTPA, a standard MRI contrast agent. (elsevierpure.com)
  • Taken together, [GdO] + [ICG] − represents a new compound and nanomaterial that can be highly interesting as a multimodal contrast agent. (elsevierpure.com)
  • Aim: This study aimed to determine the feasibility and first efficacy of indocyanine green (ICG)-assisted antimicrobial photodynamictherapy (aPDT) as activated using LED light to the dental plaque. (mdpi.com)
  • Dynamic contrast enhanced (DCE) MSOT utilizes injectable contrast such as indocyanine green (ICG) to identify regions with differential perfusion of contrast. (ithera-medical.com)
  • The presence of ICG (in green) serves to confirm that vascular perfusion of the conduit is adequate for reconstruction. (clevelandclinic.org)
  • Here, we describe the synthesis of a new heptamethine indocyanine dye (NIR-27) modified with a glycine at the end of each N-alkyl side chain, and its biological characterization for in vivo cancer-targeted NIR imaging. (dovepress.com)
  • Thanks to its high spatial resolution and its ability to detect contrast agents at depth, MSOT can be used to track iRFP expression and tumor development in vivo. (ithera-medical.com)
  • Recently we demonstrated multi-channel diffuse speckle contrast analysis (DSCA) to monitor in-vivo relative blood flow in deep tissues noninvasively. (spie.org)
  • A range of new radiotracers and non-radioactive contrast agents is likely to lead to a growth in hybrid molecular imaging applications that will allow better characterisation of disease processes. (rcpjournals.org)
  • Comparison of oxygen enhanced (OE) and dynamic contrast enhanced (DCE) MSOT and DCE-MSOT in mice bearing tumors from a prostrate cell line. (ithera-medical.com)
  • Orthotopic mammary tumors implanted in mice, with single-wavelength contrast in greyscale and iRFP signal in jet. (ithera-medical.com)
  • Indocyanine green (ICG) is a water soluble, tricarbocyanine dye that has Food and Drug Administration (FDA) approval for intravenous injection in many clinical situations [ 7 ]. (biomedcentral.com)
  • Contrast-enhanced computed tomography scan showed a portal vein passing between the duodenum and pancreas, hence called PPPV. (springeropen.com)
  • Contrast-enhanced computed tomography (CT) showed a 40-mm tumor in segment 8 (S8) of the liver, which was enhanced in the early phase and washed out in the delayed phase, suggesting hepatocellular carcinoma (HCC) (Fig. 1 ). (springeropen.com)
  • Contrast-enhanced computed tomography findings (focused on tumor). (springeropen.com)
  • In contrast to laparoscopic systems, robotic platforms provide steady visualization with a magnified 3-dimensional view and tremor-free instrumental movement with wider range of angulation. (ijgii.org)
  • Results: In both settings, an intravenous ICG infusion provided tumor contrast. (illinois.edu)
  • A microangiographic image is the result of injection of a contrast medium into either the blood or the lymphatic system and, then, enlargement of the resulting radiograph. (wikipedia.org)
  • In addition to its high specificity, NIR-27 also shows lower cytotoxicity than indocyanine green, a nonspecific NIR probe widely used in clinic. (dovepress.com)
  • The mortality rate of cupric sulfate is relatively high in contrast to that of other heavy metals. (sdlifesciences.com)
  • En face OCT reflectance images which accompany OCTA studies offer a glimpse of the macrophage-like cellular activity above the retinal surface which responds to systemically instigated vascular events below. (stanford.edu)
  • While the scope of literature regarding ICG use for management of head and neck cancer is small in comparison to other anatomic locations, one theme in initial studies is to investigate hybrid approaches in which ICG is combined with other contrast mechanisms such as 99 Tc [ 8 , 9 , 10 , 11 , 12 ]. (biomedcentral.com)
  • However, interpretation of the ICGA images is complex, and in some cases requires contrasting with the data obtained by means of other techniques such as FA or OCT, and with correct biomicroscopic assessment of the macula. (amdbook.org)
  • It is different from other types of microangiography in that a fluorescent marker or contrast medium is used instead of something else. (wikipedia.org)
  • Multi-image computer processing can synthesize additional information, such as oxyhemoglobin/deoxyhemoglobin based contrast, not visible in the source images. (eyecarecentermd.com)
  • MSOT was used to track the distribution of black phosphorous (BP) nanoparticles, selected for their theranostic potential of providing both MSOT contrast and photothermal therapeutic action. (ithera-medical.com)