Lasers in Medical Science

, Volume 34, Issue 7, pp 1421–1431 | Cite as

Theoretical and experimental modeling of interstitial laser hyperthermia with surface cooling device using Nd3+-doped nanoparticles

  • D. V. PominovaEmail author
  • I. D. Romanishkin
  • P. V. Grachev
  • A. V. Borodkin
  • A. S. Vanetsev
  • E. O. Orlovskaya
  • Yu. V. Orlovskii
  • I. Sildos
  • V. B. Loschenov
  • A. V. Ryabova
Original Article


To improve methods of laser hyperthermia for the treatment of bulk malignant neoplasms, an urgent task is the development of techniques and devices that automatically control heating at a given tissue depth and ensure its uniformity. The article proposes the concept of a system for performing hyperthermia with real-time spectroscopic temperature control and surface cooling, which allows to record spectra of diffusely scattered radiation and fluorescent signal from various depths of biological tissues by the means of the variation of the angle and distance between the fiber source of laser radiation and the receiving fiber. Theoretical and experimental modeling of the spatial distribution of diffusely scattered radiation and temperature inside the tissue with a fiber optic device providing surface cooling of the irradiated tissue, and recording spectral information from a given depth in real time, is presented. Simulation of radiation propagation in biological tissues, depending on the distance between the source and the receiver and the angle of their tilt, was carried out using the Monte Carlo method. Modeling of the temperature distribution inside the tissues was carried out by means of a numerical solution of the heat conduction equation. Experimental modeling was carried out on phantoms of biological tissues simulating their scattering properties as well as accumulation of the investigated nanoparticles doped with Nd3+ ions. It was shown that inorganic nanoparticles doped with rare-earth Nd3+ ions can be used as temperature labels for feedback to the therapeutic laser. According to the results of the theoretical simulation, optimal configurations of the relative arrangement of the fibers were chosen, as well as the optimum surface cooling temperatures for the given power densities. The heating of the phantom of the neoplasm containing the investigated nanoparticles doped with Nd3+ ions by laser radiation with an 805-nm wavelength and power density of 1 W/cm2 up to 42 °C at a depth of 1 cm while maintaining the surface temperature within the limits of the norm was demonstrated.


Nd3+-doped nanoparticles Laser interstitial thermal therapy Near-infrared Deep biotissue thermal monitoring 



This researched received financial support from the Russian Science Foundation (project N 17-72-20186).

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

Ethical approval

The experiments presented in the manuscript do not contain studies with human participants or live animals performed by any of the authors. The studies were performed on biological tissue phantoms.

Informed consent

It does not apply, since the study was developed on biological tissue phantoms.

Supplementary material

10103_2019_2742_MOESM1_ESM.docx (32 kb)
ESM 1 (DOCX 31 kb)


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Copyright information

© Springer-Verlag London Ltd., part of Springer Nature 2019

Authors and Affiliations

  • D. V. Pominova
    • 1
    Email author
  • I. D. Romanishkin
    • 1
  • P. V. Grachev
    • 1
  • A. V. Borodkin
    • 1
  • A. S. Vanetsev
    • 2
  • E. O. Orlovskaya
    • 1
  • Yu. V. Orlovskii
    • 1
  • I. Sildos
    • 2
  • V. B. Loschenov
    • 1
  • A. V. Ryabova
    • 1
  1. 1.Prokhorov General Physics Institute of the Russian Academy of SciencesMoscowRussia
  2. 2.Institute of PhysicsUniversity of TartuTartuEstonia

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