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Related Experiment Video

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Quantification metrics for telangiectasia using optical coherence tomography.

Jillian L Cardinell1, Joel M Ramjist2, Chaoliang Chen2,3

  • 1Deparment of Electrical, Computer, and Biomedical Engineering, Ryerson University, Toronto, ON, Canada. jillian.cardinell@ryerson.ca.

Scientific Reports
|February 3, 2022
PubMed
Summary
This summary is machine-generated.

Optical coherence tomography (OCT) offers a new, objective method to track changes in skin lesions associated with Hereditary Hemorrhagic Telangiectasia (HHT). This non-invasive imaging technique provides quantitative metrics for assessing treatment efficacy.

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Area of Science:

  • Medical Imaging
  • Vascular Biology
  • Dermatology

Background:

  • Hereditary Hemorrhagic Telangiectasia (HHT) is a genetic disorder causing abnormal blood vessels.
  • HHT lesions in skin and mucosa often rupture, leading to bleeding and anemia.
  • Developing effective HHT treatments necessitates objective methods to measure therapeutic outcomes.

Purpose of the Study:

  • To introduce a novel pipeline using Optical Coherence Tomography (OCT) for quantitative characterization of dermal HHT lesions.
  • To detect detailed morphological changes in HHT lesions over time and during treatment.
  • To establish objective metrics for analyzing HHT lesion dynamics and treatment efficacy.

Main Methods:

  • Utilizing high-resolution, non-invasive Optical Coherence Tomography (OCT) for imaging.
  • Developing a novel imaging pipeline tailored for HHT lesions.
  • Analyzing lesion morphology and behavior over multiple imaging sessions from a pilot study.

Main Results:

  • Preliminary results demonstrate the feasibility of using OCT to characterize dermal HHT lesions.
  • Refined quantitative metrics for HHT lesions were developed and applied.
  • Representative OCT images showcasing lesion morphology are presented.

Conclusions:

  • OCT provides a new, objective, minimally invasive, and cost-effective method for analyzing HHT lesions.
  • This approach enables quantitative assessment of lesion morphology and blood flow.
  • The developed metrics can aid in understanding disease progression and evaluating HHT treatments.