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World J Nucl Med. 2019 Jan-Mar;18(1):13-17. doi: 10.4103/1450-1147.250325.

The role of Technetium-99m-Ethambutol scintigraphy in the management of spinal tuberculosis.

Author information

1
Departement of Nuclear Medicine and Molecular Imaging, Faculty of Medicine, Dr. Hasan Sadikin Hospital, Padjadjaran University, Bandung, Indonesia.

Abstract

Spines is a common site of extrapulmonary Mycobacterium tuberculosis infection (MTI). Spine destruction due to MTI can mimic other etiologies. Treatment of choice for spinal tuberculosis (STB) is anti-TB drugs while surgery could be needed in other causes. The gold standard for STB diagnosis is histopathology examination from biopsy tissue. Technetium-99m-ethambutol (99mTc-EMB) scintigraphy can be used to detect and localize of TB. The aim of this study was to evaluate the role of 99mTc-EMB scintigraphy in STB management. Retrospective study was carried out from 2006 to 2014. Subject STB were patient STB with suspected of STB and underwent 99mTc-EMB scintigraphy. The histopathologic result was used as gold standard. Whole body planar acquisition was taken at 1 and 3 h postinjection of 370 MBq. Single-photon emission computed tomography/computed tomography acquisition was performed on suspected area. 99mTc-EMB image were analyzed by two nuclear medicine specialis. The 93 subject STB were included in this study. Histopathologic data were available in 40/93 subject STB. Positive and negative 99mTc-EMB scintigraphy were 32 and 8 subject STB. 99mTc-EMB scintigraphy result STB was concordance with the histopathologic finding in 37 subject STB. Sensitivity, specivicity, positive- and negative-predictive value, and accuracy of 99mTc-EMB scintigraphy 90.91%, 71.43%, 93.75%, 62.5%, and 87.5%, respectively. This study showed that patient STB with suspected 99mTc-EMB scintigraphy result could be directly treated with anti-TB. 99mTc-EMB scintigraphy has significant role in the management of STB.

KEYWORDS:

Imaging; spinal tuberculosis; technetium-99m-ethambutol

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