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Diagnostic Value and Application of Infrared Thermography in the Analysis of Circumanal Gland Tumors

In dogs, circumanal tumors are the third most common skin neoplasm. Circumanal gland adenomas (CAGAs) have a good prognosis. Contrastingly, circumanal gland adenocarcinomas (CAGAC) have high relapse rates and may be metastatic. This study aimed to investigate the utility of thermal imaging as an anc...

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Autores principales: Zanuto, Erika B. M., Melo, Samanta R., Januário, Eric V., Fernandes, Gustavo A. A. L., Matera, Julia M.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Frontiers Media S.A. 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8354560/
https://www.ncbi.nlm.nih.gov/pubmed/34386537
http://dx.doi.org/10.3389/fvets.2021.692221
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author Zanuto, Erika B. M.
Melo, Samanta R.
Januário, Eric V.
Fernandes, Gustavo A. A. L.
Matera, Julia M.
author_facet Zanuto, Erika B. M.
Melo, Samanta R.
Januário, Eric V.
Fernandes, Gustavo A. A. L.
Matera, Julia M.
author_sort Zanuto, Erika B. M.
collection PubMed
description In dogs, circumanal tumors are the third most common skin neoplasm. Circumanal gland adenomas (CAGAs) have a good prognosis. Contrastingly, circumanal gland adenocarcinomas (CAGAC) have high relapse rates and may be metastatic. This study aimed to investigate the utility of thermal imaging as an ancillary modality for the diagnosis of canine CAGA and CAGAC. We analyzed the following parameters: SpT, temperature measured at the tumor center; SpNT, temperature measured at a healthy sphincter skin spot distant from the tumor; TA, temperature measured at a tumor-encompassing ellipse-shaped area; and NTA, temperature measured at an ellipse-shaped area of the healthy sphincter skin distant from the tumor. In CAGAs, the mean SpT and SpNT temperature values differed by −1.45°C (p < 0.01) while the mean TA and NTA temperature values differed by −0.96°C (p < 0.05). In CAGACs, mean SpT and SpNT temperatures differed by −1.71°C (p < 0.01) while the mean TA and NTA temperatures differed by −1.69°C (p < 0.01). The mean SpT and TA temperature values measured in CAGAs and CAGACs differed by −0.10°C (p = 0.87) and 0.52°C (p = 0.38), respectively. Both tumors were colder than healthy sphincter skin. However, a substantial number of CAGACs were colder than CAGAs. Temperature differences ≥ 1°C between tumors and healthy sphincter skin increased the probability of CAGAC diagnosis by 17.45%. Thermal imaging allowed discrimination between healthy and tumoral tissues; therefore, it could be a good ancillary diagnostic modality.
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spelling pubmed-83545602021-08-11 Diagnostic Value and Application of Infrared Thermography in the Analysis of Circumanal Gland Tumors Zanuto, Erika B. M. Melo, Samanta R. Januário, Eric V. Fernandes, Gustavo A. A. L. Matera, Julia M. Front Vet Sci Veterinary Science In dogs, circumanal tumors are the third most common skin neoplasm. Circumanal gland adenomas (CAGAs) have a good prognosis. Contrastingly, circumanal gland adenocarcinomas (CAGAC) have high relapse rates and may be metastatic. This study aimed to investigate the utility of thermal imaging as an ancillary modality for the diagnosis of canine CAGA and CAGAC. We analyzed the following parameters: SpT, temperature measured at the tumor center; SpNT, temperature measured at a healthy sphincter skin spot distant from the tumor; TA, temperature measured at a tumor-encompassing ellipse-shaped area; and NTA, temperature measured at an ellipse-shaped area of the healthy sphincter skin distant from the tumor. In CAGAs, the mean SpT and SpNT temperature values differed by −1.45°C (p < 0.01) while the mean TA and NTA temperature values differed by −0.96°C (p < 0.05). In CAGACs, mean SpT and SpNT temperatures differed by −1.71°C (p < 0.01) while the mean TA and NTA temperatures differed by −1.69°C (p < 0.01). The mean SpT and TA temperature values measured in CAGAs and CAGACs differed by −0.10°C (p = 0.87) and 0.52°C (p = 0.38), respectively. Both tumors were colder than healthy sphincter skin. However, a substantial number of CAGACs were colder than CAGAs. Temperature differences ≥ 1°C between tumors and healthy sphincter skin increased the probability of CAGAC diagnosis by 17.45%. Thermal imaging allowed discrimination between healthy and tumoral tissues; therefore, it could be a good ancillary diagnostic modality. Frontiers Media S.A. 2021-07-27 /pmc/articles/PMC8354560/ /pubmed/34386537 http://dx.doi.org/10.3389/fvets.2021.692221 Text en Copyright © 2021 Zanuto, Melo, Januário, Fernandes and Matera. https://creativecommons.org/licenses/by/4.0/This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
spellingShingle Veterinary Science
Zanuto, Erika B. M.
Melo, Samanta R.
Januário, Eric V.
Fernandes, Gustavo A. A. L.
Matera, Julia M.
Diagnostic Value and Application of Infrared Thermography in the Analysis of Circumanal Gland Tumors
title Diagnostic Value and Application of Infrared Thermography in the Analysis of Circumanal Gland Tumors
title_full Diagnostic Value and Application of Infrared Thermography in the Analysis of Circumanal Gland Tumors
title_fullStr Diagnostic Value and Application of Infrared Thermography in the Analysis of Circumanal Gland Tumors
title_full_unstemmed Diagnostic Value and Application of Infrared Thermography in the Analysis of Circumanal Gland Tumors
title_short Diagnostic Value and Application of Infrared Thermography in the Analysis of Circumanal Gland Tumors
title_sort diagnostic value and application of infrared thermography in the analysis of circumanal gland tumors
topic Veterinary Science
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8354560/
https://www.ncbi.nlm.nih.gov/pubmed/34386537
http://dx.doi.org/10.3389/fvets.2021.692221
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