1. Articles from Hyemin Pomerantz

    1-3 of 3
    1. Analysis of port-wine birthmark vascular characteristics by location: Utility of optical coherence tomography mapping

      Analysis of port-wine birthmark vascular characteristics by location: Utility of optical coherence tomography mapping

      Introduction: Port-wine birthmarks (PWBs) are congenital capillary malformations that can be located on any area of the body. Vascular features include vessel size, depth, and density, which can greatly differ between patients, individual lesions, and even sites within the same lesion. Previous studies have determined that the location of PWB lesions has impacted their clinical response to laser treatment. Objective: We utilized dynamic optical coherence tomography (D-OCT) to measure in vivo vessel diameter, density, and superficial plexus depth in patients of all ages with PWB on various sites of the body. We hypothesized that these vascular characteristics would differ according ...

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    2. Vascular characteristics of port wine birthmarks as measured by dynamic optical coherence tomography

      Vascular characteristics of port wine birthmarks as measured by dynamic optical coherence tomography

      Background: Port wine birthmarks (PWB) are congenital capillary malformations. Vessel characteristics, such as diameter and depth, may impact presentation and outcomes. They can be imaged using dynamic optical coherence tomography (D-OCT), a high-resolution, non-invasive imaging method. Purpose: We conducted a cross-sectional observational study to measure in-vivo vascular characteristics as a function of PWB color. Methods: Patients undergoing treatment for PWB were recruited from three sites. PWB were classified by color, and D-OCT images with calculations were obtained. Results: 108 patients were enrolled. Mean age correlated with PWB color, with younger patients having lighter and older patients having darker birthmarks (p ...

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    3. Dynamic Optical Coherence Tomography of Cutaneous Blood Vessels in Melasma and Vessel Response to Oral Tranexamic Acid

      Dynamic Optical Coherence Tomography of Cutaneous Blood Vessels in Melasma and Vessel Response to Oral Tranexamic Acid

      Background and objectives: Melasma may be related to aberrant blood vessels, but there has been no report on the utility of dynamic optical coherence tomography (D-OCT) in studying vessel characteristics in melasma. We studied the characteristics of cutaneous blood vessels in melasma and the effects of oral tranexamic acid (TXA) with D-OCT. Study design/materials and methods: Six patients with moderate to severe melasma had a D-OCT scanning of the areas on the face affected by melasma and not affected by it. Three of them had scans within 3 months after starting oral TXA and at a follow-up visit. Blood ...

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    1-3 of 3
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  2. Topics in the News

    1. (2 articles) UC Irvine
    2. (2 articles) University of Miami
    3. (2 articles) Michelson Diagnostics
    4. (1 articles) University of Connecticut
    5. (1 articles) University of Tokyo
    6. (1 articles) University College London
    7. (1 articles) University of Queensland
    8. (1 articles) University of Miami
    9. (1 articles) Topcon Medical Systems
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