Design of constant temperature cooling device for melanoma screening by dynamic thermography

Gomboc, Timi; Iljaž, Jurij; Wrobel, L.C.; Hriberšek, Matjaž; Marn, Jure

doi:10.1016/j.enganabound.2021.01.009

Cited by 12 publications

(5 citation statements)

References 54 publications

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“…Magalhaes et al [97] used an aluminum medallion with a diameter and height of 50 mm and 20 mm, respectively, for thermal provocation of 1 min; the temperature of the cold provocation is not mentioned. Gomboc et al [111] modeled and designed a constant temperature cooling device for melanoma screening. The device is based on an active cooling device that uses a Peltier module and a metal disk to achieve a constant cooling temperature by conduction and to induce deep cooling.…”

Section: Skin Excitationmentioning

confidence: 99%

Skin Cancer Detection Using Infrared Thermography: Measurement Setup, Procedure and Equipment

Verstockt

Verspeek

Thiessen

et al. 2022

Sensors

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Infrared thermography technology has improved dramatically in recent years and is gaining renewed interest in the medical community for applications in skin tissue identification applications. However, there is still a need for an optimized measurement setup and protocol to obtain the most appropriate images for decision making and further processing. Nowadays, various cooling methods, measurement setups and cameras are used, but a general optimized cooling and measurement protocol has not been defined yet. In this literature review, an overview of different measurement setups, thermal excitation techniques and infrared camera equipment is given. It is possible to improve thermal images of skin lesions by choosing an appropriate cooling method, infrared camera and optimized measurement setup.

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Section: Skin Excitationmentioning

confidence: 99%

Skin Cancer Detection Using Infrared Thermography: Measurement Setup, Procedure and Equipment

Verstockt

Verspeek

Thiessen

et al. 2022

Sensors

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“…Magalhaes et al [48] used an aluminum medallion with a diameter and height of 50 mm and 20 mm, respectively, for thermal provocation of 1 min; the temperature of the cold provocation is not mentioned. Gomboc et al [49] modeled and designed a constant temperature cooling device for melanoma screening. The device is based on an active cooling device that uses a Peltier module and a metal disk to achieve a constant cooling temperature by conduction and to induce deep cooling.…”

Section: Previous Research On Skin-cooling Techniques For Dynamic Inf...mentioning

confidence: 99%

Comparative Analysis of Cooling Methods for Dynamic Infrared Thermography (DIRT)-Based Skin Cancer Diagnosis

Verstockt,

Thiessen,

Hoorens

et al. 2023

Applied Sciences

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Skin cancer is a significant global health issue, placing a growing burden on individuals and society. Conventional diagnostic methods like visual examination and biopsy have limitations in invasiveness and accuracy. As a result, alternative tools such as infrared thermography have gained attention in skin cancer diagnosis. Tissue-mimicking phantoms have been instrumental in facilitating research in this field, offering controlled environments. While they do not fully replicate human skin complexity, physical skin models provide stability, ease of fabrication, and control over properties. Agarose phantoms are employed in this study. This research focused on testing and comparing cooling techniques for human skin in the context of skin cancer diagnosis using dynamic infrared thermography. Six cooling methods were investigated: a cool pack, an aluminum medal, ice, alcohol, a vortex cooler and a Zimmer Cryo 6 cooler. The experimental setup involved an infrared camera (Optris Xi400) with microscope optics positioned above an agar phantom mimicking flat skin and an ulcerating skin lesion. Based on experiments conducted on the skin phantom, it was observed that convective cooling methods offered more consistent and uniform cooling. Conversely, conductive methods proved effective for flat objects but posed challenges in achieving uniform cooling for bulging skin or ulcerated lesions. Ice or alcohol were deemed unsuitable due to artifacts influencing the infrared radiation and thermal camera view. A decision matrix assessed cooling techniques based on criteria such as uniformity, repeatability, view obstruction, efficiency, workload, patient comfort, clinical suitability, noise exposure, consumables, additional equipment, and price. The Zimmer Cryo 6 cooler emerged as the most suitable cooling method after evaluating various factors.

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confidence: 93%

“…Iljaž et al (2019a) performed a boundary element analysis with temperature-dependent blood perfusion rate to model the thermography of skin with a cancerous lesion. In two other numerical studies, Gomboc et al (2021) and Iljaž et al (2019b) investigated a numerical model for an inverse study to clarify the size and material properties of skin lesion according to the surface temperature of the skin. In both studies, all the physical properties of skin layers were assumed to be constant.…”

Section: Introductionmentioning

confidence: 99%

Developing computational methods of heat flow using bioheat equation enhancing skin thermal modeling efficiency

Ostadhossein,

Hoseinzadeh

2023

HFF

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Purpose The main objective of this paper is to investigate the response of human skin to an intense temperature drop at the surface. In addition, this paper aims to evaluate the efficiency of finite difference and finite volume methods in solving the highly nonlinear form of Pennes’ bioheat equation. Design/methodology/approach One-dimensional linear and nonlinear forms of Pennes’ bioheat equation with uniform grids were used to study the behavior of human skin. The specific heat capacity, thermal conductivity and blood perfusion rate were assumed to be linear functions of temperature. The nonlinear form of the bioheat equation was solved using the Newton linearization method for the finite difference method and the Picard linearization method for the finite volume method. The algorithms were validated by comparing the results from both methods. Findings The study demonstrated the capacity of both finite difference and finite volume methods to solve the one-dimensional and highly nonlinear form of the bioheat equation. The investigation of human skin’s thermal behavior indicated that thermal conductivity and blood perfusion rate are the most effective properties in mitigating a surface temperature drop, while specific heat capacity has a lesser impact and can be considered constant. Originality/value This paper modeled the transient heat distribution within human skin in a one-dimensional manner, using temperate-dependent physical properties. The nonlinear equation was solved with two numerical methods to ensure the validity of the results, despite the complexity of the formulation. The findings of this study can help in understanding the behavior of human skin under extreme temperature conditions, which can be beneficial in various fields, including medical and engineering.

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Design of constant temperature cooling device for melanoma screening by dynamic thermography

Cited by 12 publications

References 54 publications

Skin Cancer Detection Using Infrared Thermography: Measurement Setup, Procedure and Equipment

Skin Cancer Detection Using Infrared Thermography: Measurement Setup, Procedure and Equipment

Comparative Analysis of Cooling Methods for Dynamic Infrared Thermography (DIRT)-Based Skin Cancer Diagnosis

Developing computational methods of heat flow using bioheat equation enhancing skin thermal modeling efficiency

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