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MICROENDOSCOPIC SPECTRAL IMAGING AS A TOOL FOR SMALL DUCTUAL DIAGNOSTICS:PRELIMINARY EXPERIENCE

Journal of Innovative Optical Health Sciences 2012年第3期5卷 64-70页

作者： A.DOUPLIK W.L.LEONG A.M.EASSON S.DONE B.C.WILSON A.SHAHMOON Z.ZALEVSKY Department of Physics Ryerson University 350 Victoria StreetToronto M5B 2K3Canada School of Advanced Optical Technologies(SAOT)Friedrich-Alexander Erlangen-Nuremberg University ErlangenGermany Ontario Cancer Institute University Health Network TorontoCanada Xillix Ltd TorontoCanada Medical Photonics Engineering Group(MPEG)Chair of Photonics Technologies Friedrich-Alexander Erlangen-Nuremberg University ErlangenGermany Department of surgical Oncology Princess Margaret Hospital University Health Network TorontoCanada Department of Medical Biophysics University of Toronto TorontoCanada Faculty of Engineering Bar-Ilan University Ramat GanIsrael

A technical feasibility of autofluorescence ductoscopy in breast milk ducts as blood vessels phantoms has been assessed as *** tumor can be clearly identified through the milk *** also present the operation principle as well as the preliminary experimental results of a new type of microsize multicorefiber that enables imaging through blood vessel *** of a manipulated microwire through a drilled phantom is presented.

关键词： Cancer margin delineation endoscopy microendoscopy autofluorescence imaging surgical guidance multicorefibers

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Feasibility and utility of intraoperative optical coherence tomography during vitreoretinal surgery:A 4-year report in Chinese population

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Journal of Innovative Optical Health Sciences 2021年第1期4卷 46-55页

作者： Jiwei Tao Huan Chen Jiafeng Yu Dan Cheng Yiqi Chen Jianbo Mao Jia Fang Lijun Shen Department of Retina Center Affiliated Eye Hospital of Wenzhou Medical University HangzhouZhejiang ProvinceP.R.China

The objective is to introduce the application of intraoperative optical coherence tomography(iOCT)in pars plana vitrectomy(PPV)for various vitreoretinal diseases,and to report the 4-year assessment of feasibility and utility in Chinese *** reported a retrospective case series of patients who underwent PPV and iOCT scan at Eye Hospital of Wenzhou Medical University from January 2016 to January *** characteristics were documented before operation,and we intraoperatively recorded the time and results of iOCT scanning,specific surgical maneuvers performed,the consistency with the planned strategies before surgery,the type of OCT images obtained,and adverse events(AEs).The surgeon feedback was collected to evaluate the utility of iOCT during *** total 339 eyes successfully completed iOCT scan,with an average scanning time of 3.54±2.3 min,including 59 cases of idiopathic macular hole(iMH),134 cases of idiopathic epiretinal membrane(iERM),33 cases of lamellar macular hole(LMH),40 cases of high myopic maculopathy,13 cases of vitreous macular traction(VMT),60 cases of dense vitreous hemorrhage(VH).The iOCT findings were not consistent with exami-nation under the operating microscope in 49 cases(14.5%),including 29 cases(8.6%)which changed the operation strategies during *** Hole-door phenomenon arose in 20 cases(33.9%)of iMH and 3 cases(25%)of high myopic MH after ILMs ***,the residue ERM was observed in nine cases(6.7%)of iERM and two cases(14.3%)in high myopic ERM after ILMs *** new surgical methods could also be confirmed using *** ap-plication of iOCT has a significant clinical functionality in vitreoretinal surgery,providing the surgeon with a new surgical understanding,guiding the selection of a more reasonable operative procedure during surgery,predicting postoperative recovery and improving postoperative outcomes.

关键词： Intraoperative optical coherence tomography vitreoretinal diseases pars plana vit-rectomy surgical guidance

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LIMITATIONS OF CANCER MARGIN DELINEATION BY MEANS OF AUTOFLUORESCENCE IMAGING UNDER CONDITIONS OF LASER SURGERY

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Journal of Innovative Optical Health Sciences 2010年第1期3卷 45-51页

作者： ALEXANDRE DOUPLIK AZHAR ZAM RALPH HOHENSTEIN ANGELOS KALITZEOS EMEKA NKENKE FLORIAN STELZLE SAOT—Erlangen Graduate School in Advanced Optical Technologies Friedrich-Alexander University Erlangen NurembergGermany Department of Photonic Technologies Friedrich-Alexander University Erlangen NurembergGermany Department of Oral and Maxillofacial Surgery Friedrich-Alexander University Erlangen NurembergGermany

Limitations of cancer margin delineation and surgical guidance by means of autofluorescence imaging under conditions of laser ablation were investigated and preliminary results are ***^(TM)(Novadaq Technologies Inc.,Canada)was used to capture digital images and Er:YAG laser(2.94μm,Glissando,WaveLight^(TM),Germany)was exploited to cause laser ablation on both normal and cancer sites of the *** was shown that changes of the autofluorescence image after ablation extend beyond the actual sizes of the ablation *** tumor tissue after the laser ablation starts to emit fluorescent light within the green wavelength band(490-550nm)similar to normal tissue stating that the current technology of in-process tissue classification ***,when the autofluorescence was collected in the red range(600-750nm),then the abnormal/normal contrast was reduced,but still present even after the laser *** present study highlights the importance of finding a proper technology for surgical navigation of cancer removal under conditions of high power effects in biological tissues.

关键词： Cancer margin delineation surgical guidance surgical navigation autofluorescence imaging laser surgery laser ablation

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Imaging for thinned perforator flap harvest:current status and future perspectives

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Burns & Trauma 2021年第1期9卷 36-46页

作者： Yi Min Khoong Xin Huang Shuchen Gu Tao Zan Department of Plastic and Reconstructive Surgery Shanghai Ninth People’s HospitalShanghai Jiao Tong University School of MedicineShanghai200011China

With advances in anatomical knowledge and technology,increased interest has been directed towards reconstruction with enhanced aesthetic and functional outcomes.A myriad of thinned perforator flap harvest approaches have been developed for this purpose;however,concerns about jeopardizing their vascularity *** ensure optimum reconstructive outcome without hampering the flap’s microcirculation,it is important to make good use of the existing advanced imaging modalities that can provide clear visualization of perforator branches,particularly in the adipose layer,and an accurate assessment of flap ***,this review will highlight the imaging modalities that have been utilized for harvesting a thinned perforator flap from these two perspectives,along with future insights into creating both functionally and aesthetically satisfying,yet simultaneously safe,thinned perforator flaps for the best reconstructive outcomes for patients.

关键词： Perforator flap Imaging surgical guidance Preoperative imaging Intraoperative guidance Flap perfusion Flap thinning Thinned flap

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