Evidence map›Paper›PMID 27623742›Full record

ArticleJournal of biophotonics2017

Laser thermal therapy monitoring using complex differential variance in optical coherence tomography.

William C Y Lo, Néstor Uribe-Patarroyo, Ahhyun S Nam, Martin Villiger, Benjamin J Vakoc, Brett E Bouma

Abstract read
In one paragraph

Article in Journal of biophotonics, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.

0numbers the graph read from it
0cells of the map it votes in
11citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

11 citing papers in PubMed.

  1. Article
  2. Image-Based Monitoring of Thermal Ablation.Bioengineering (Basel, Switzerland) · 2025
    Review
  3. Article
  4. Review
  5. Article
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  7. Article
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors.

William C Y LoWellman Center for Photomedicine and Department of Dermatology, Massachusetts General Hospital and Harvard Medical School, 40 Blossom Street, Boston, Massachusetts, 02114, USA.
Néstor Uribe-PatarroyoWellman Center for Photomedicine and Department of Dermatology, Massachusetts General Hospital and Harvard Medical School, 40 Blossom Street, Boston, Massachusetts, 02114, USA.
Ahhyun S NamWellman Center for Photomedicine and Department of Dermatology, Massachusetts General Hospital and Harvard Medical School, 40 Blossom Street, Boston, Massachusetts, 02114, USA.
Martin VilligerWellman Center for Photomedicine and Department of Dermatology, Massachusetts General Hospital and Harvard Medical School, 40 Blossom Street, Boston, Massachusetts, 02114, USA.
Benjamin J VakocWellman Center for Photomedicine and Department of Dermatology, Massachusetts General Hospital and Harvard Medical School, 40 Blossom Street, Boston, Massachusetts, 02114, USA.
Brett E BoumaWellman Center for Photomedicine and Department of Dermatology, Massachusetts General Hospital and Harvard Medical School, 40 Blossom Street, Boston, Massachusetts, 02114, USA.

Funding

TRD3: Percutaneous and Interstitial ImagingP41EB015903 · NIBIB · MASSACHUSETTS GENERAL HOSPITAL · PI Brett E Bouma · 2012 to 2026
$22.4M
CIHRNIBIB NIH HHS P41 EB015903
6 · The paper itself

Abstract

Conventional thermal therapy monitoring techniques based on temperature are often invasive, limited by point sampling, and are indirect measures of tissue injury, while techniques such as magnetic resonance and ultrasound thermometry are limited by their spatial resolution.  The visualization of the thermal coagulation zone at high spatial resolution is particularly critical to the precise delivery of thermal energy to epithelial lesions. In this work, an integrated thulium laser thermal therapy monitoring system was developed based on complex differential variance (CDV), which enables the 2D visualization of the dynamics of the thermal coagulation process at high spatial and temporal resolution with an optical frequency domain imaging system. With proper calibration to correct for noise, the CDV-based technique was shown to accurately delineate the thermal coagulation zone, which is marked by the transition from high CDV upon heating to a significantly reduced CDV once the tissue is coagulated, in 3 different tissue types ex vivo: skin, retina, and esophagus. The ability to delineate thermal lesions in multiple tissue types at high resolution opens up the possibility of performing microscopic image-guided procedures in a vast array of epithelial applications ranging from dermatology, ophthalmology, to gastroenterology and beyond.

Indexed as

Laser TherapyTomography, Optical CoherenceAnimalsCattleEsophagusLasersRetinaSkinSwineesophaguslaser thermal therapyoptical coherence tomographyretinaskin

Identifiers

PMID27623742
PMCPMC5243231

What OpenQuestion holds

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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.