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Telfor Journal
2015, vol. 7, br. 2, str. 103-107
jezik rada: engleski
vrsta rada: neklasifikovan
doi:10.5937/telfor1502103D


A Matlab tool for tumor localization in parathyroid sestamibi scintigraphy
(naslov ne postoji na srpskom)
aUniverzitet u Beogradu, Elektrotehnički fakultet
bUniverzitet u Beogradu, Medicinski fakultet, Institut za onkologiju i radiologiju Srbije

e-adresa: marko_djurovic@rocketmail.com, piperski@etf.rs, md

Projekat

Efekti asistivnih sistema u neurorehabilitaciji: oporavak senzorno-motornih funkcija (MPNTR - 175016)

Sažetak

(ne postoji na srpskom)
Submarine method for localization of parathyroid tumors (PT) has proved to be effective in case of typical pitfalls of conventional scintigraphic methods (combined subtraction and double phase methods). It uses images obtained by standard dynamic parathyroid sestamibi scintigraphy suggested by European Association of Nuclear Medicine. This paper presents: 1) the developed Matlab interface that enables the implementation and evaluation of algorithms for the automatic application of Submarine method; 2) the algorithm for automatic extraction of the entire thyroid region from the background radioactivity using operations from mathematical morphology applied on dynamic scintigrams; 3) the results obtained by algorithm for localization and visualization of PTs based on estimation of exponential decreasing trend of time-activity curves. The algorithm was tested on a group of 20 patients with histopathologically proven PTs using developed Matlab interface.

Ključne reči

image segmentation; Matlab; parathyroid scintigraphy; Submarine method

Reference

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