2D/3D registration of freehand SPECT and planar scintigraphy for clinical evaluation of 3D thyroid scintigraphy

被引：0

作者：

Feng, X. ^{[1
]}

Szajkowska, K. ^{[1
,3
]}

Lasser, T. ^{[1
,2
]}

Ziegler, S. I. ^{[2
]}

Navab, N. ^{[1
]}

Wendler, T. ^{[1
,2
]}

机构：

[1] Tech Univ Munich, CAMP, Munich, Germany

[2] Tech Univ Munich, Dept Nuclear Med, Klinikum rechts Isar, Munich, Germany

[3] Wroclaw Univ Technol, Fac Fundamental Prob Technol, Wroclaw, Poland

来源：

WORLD CONGRESS ON MEDICAL PHYSICS AND BIOMEDICAL ENGINEERING, VOL 25, PT 2 - DIAGNOSTIC IMAGING | 2009年 / 25卷

关键词：

Thyroid scintigraphy; gamma probe; intraoperative imaging; image reconstruction; 2D/3D registration;

D O I：

暂无

中图分类号：

R318 [生物医学工程];

学科分类号：

0831 ;

摘要：

Thyroid planar scintigraphy is a standard technique in Nuclear Medicine. The clear information it provides it has allowed it to live for decades. Freehand SPECT has been introduced lately as a 3D imaging modality for small anatomies []. In this work, the freehand SPECT technology is applied for the first time for 3D thyroid scintigraphy. A first trial in 10 thyroid patients (40-78y, mean 61) was performed for the purposes of testing and evaluation of this technology in a pilot study setup. For validation a 2D/3D registration method was designed and implemented in order to compared conventional 2D thyroid scintigraphy with the new 3D freehand SPECT images. Further the accuracy of the 2D/3D registration application was evaluated with a synthetic 3D thyroid shape and known rigid transformation. The 2D/3D registration for the synthetic data were bold and the ones of the patient data sets reveal that the freehand SPECT is a promising approach that may open new doors in Nuclear Medicine.

引用

页码：737 / 740

页数：4

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