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SUMMARY:Optical Coherence Tomography as a diagnostic tool (Biophysics)
DTSTART;VALUE=DATE-TIME:20110714T063000Z
DTEND;VALUE=DATE-TIME:20110714T064500Z
DTSTAMP;VALUE=DATE-TIME:20260911T112859Z
UID:indico-contribution-5213@events.saip.org.za
DESCRIPTION:Speakers: Ann Singh (CSIR\,National Laser Centre)\nOptical Coh
 erence tomography (OCT) is a non-invasive imaging technique that is known 
 to be used to monitor changes and differences in different types of materi
 als. In the field of Biophysics/Biophotonics OCT can be used to non-invasi
 vely detect changes occurring in tissue.  This study will look at using OC
 T to detect skin cancer.  Similar work has been done by other groups\, how
 ever the influence of skin tone for such detection has not been evaluated 
 to a great extent.  The effect of skin tone on detection of skin cancer wi
 ll form a core part of the investigations as well as determining the effic
 acy of the system for early cancer detection. Preliminary work will be don
 e using phantoms that simulate the different skin tones.  Melanin is the c
 omponent found in the skin\, largely responsible for the different skin to
 nes and will incorporated into our phantoms as carbon black\, black ink or
  synthetic melanin.  The optical properties of such phantoms can be determ
 ined on the Integrating Sphere (IS) and OCT systems.  A correlation will t
 hen be drawn between the optical properties and the OCT signals obtained. 
  Once the preliminary tests are done to optimise the method for image anal
 ysis\, further studies will be done on patients and compared against conve
 ntional histology results.  This talk will thus look at some OCT applicati
 ons\, some of the preliminary work done using our OCT system and the steps
  to determining the effect of skin tone on cancer detection.\n\nhttps://ev
 ents.saip.org.za/event/7/contributions/5213/
LOCATION: Acro3
URL:https://events.saip.org.za/event/7/contributions/5213/
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