The influence of a malignant nodule on resonance frequencies of the thyroid gland

Author

Gavriloaia, Gheorghe ; Ghemigean, Adina-Mariana ; Gavriloaia, Mariuca-Roxana

Author_Institution

Electron. & Comput. Dept., Univ. of Pitesti, Pitesti, Romania

fYear

2010

fDate

26-28 April 2010

Firstpage

553

Lastpage

558

Abstract

The thyroid is investigated as a resonant cavity. A number of 16 eigenfrequencies and eigenmodes are evaluated for a thyroid geometric model excited by ultrasounds. The malignant tissue was modelled by spheres with different diameters. The spatial distributions of the acoustic eigenmodes are in accordance with blood supplier positions. Blood supplier efficiency and local temperature will decrease as a result of nodules or cysts. The acoustic field eigenfrequency for the same propagation mode is bigger when thyroid has a malignant nodule. Efficiency of ultrasound diagnosis and thyroid treatment will be increased by knowing these modes and frequencies.

Keywords

biomedical ultrasonics; diseases; haemodynamics; haemorheology; patient treatment; tumours; acoustic eigenmodes; acoustic field eigenfrequency; blood supplier efficiency; blood supplier positions; cysts; eigenmodes; malignant nodule; malignant tissue; resonant cavity; spatial distributions; thyroid gland resonance frequency; thyroid treatment; ultrasound diagnosis; Cancer; Cardiac disease; Cardiovascular diseases; Computational modeling; Glands; Medical diagnostic imaging; Resonance; Resonant frequency; Solid modeling; Ultrasonic imaging;

fLanguage

English

Publisher

ieee

Conference_Titel

MELECON 2010 - 2010 15th IEEE Mediterranean Electrotechnical Conference

Conference_Location

Valletta

Print_ISBN

978-1-4244-5793-9

Type

conf

DOI

10.1109/MELCON.2010.5476030

Filename

5476030