Discordant Findings Between Krypton-81 m Gas and Tc-99m Labeled Ultrafine Aerosol Lung Ventilation SPECT in Two Patients With Idiopathic Pulmonary Fibrosis

N Watanabe, T Inoue, S Tomioka… - Clinical nuclear …, 1995 - journals.lww.com
Technegas, a newly developed ultra-fine dry dispersion of Tc-99m labeled carbon with a
particle size of approximately 5 nm to 20 nm, possesses the properties for lung ventilation …

Intrapulmonary distribution of 99mtechnetium labelled ultrafine carbon aerosol (Technegas) in severe airflow obstruction

AB Crawford, A Davison, TC Amis… - European respiratory …, 1990 - Eur Respiratory Soc
Technegas (TG), an ultrafine dispersion of carbon aggregates labelled with 99mTechnetium
(99mTc), has been recently introduced for clinical imaging of lung ventilation. In 12 selected …

Intrapulmonary distribution of sup 99m technetium labelled ultrafine carbon aerosol (Technegas) in severe airflow obstruction

ABH Crawford, A Davison, TC Amis… - European Respiratory …, 1990 - osti.gov
Technegas (TG), an ultrafine dispersion of carbon aggregates labelled with {sup 99m}
Technetium ({sup 99m} Tc), has been recently introduced for clinical imaging of lung …

99TcmTechnegas and krypton-81m ventilation scintigraphy: a comparison in known respiratory disease

JM James, JJ Lloyd, BC Leahy, S Church… - The British Journal of …, 1992 - academic.oup.com
Krypton-81m gas, by virtue of its imaging characteristics, is often considered the “gold
standard” for ventilation scintigraphy but its use is restricted by its high cost and limited …

Technical and analytical advances in pulmonary ventilation SPECT with xenon-133 gas and Tc-99m-Technegas

K Suga - Annals of nuclear medicine, 2002 - Springer
This paper describes the recent advances in technical and analytical methods in pulmonary
ventilation SPECT studies, including a respiratory-gated image acquisition of Technetium …

Lung ventilation scanning with a new carbon particle radioaerosol (technegas): preliminary patient studies

DS RIMKUS, WL ASHBURN - Clinical nuclear medicine, 1990 - journals.lww.com
A new Tc-99m labeled carbon particle aerosol (“Technegas”) has been developed for lung
ventilation scanning. This is the first reported clinical study of this agent in the United States …

Comparison of99mTc-Technegas SPECT with133Xe dynamic SPECT in pulmonary emphysema

K Satoh, K Takahashi, M Sasaki, T Kobayashi… - Annals of nuclear …, 1997 - Springer
This study was undertaken to compare axial images of 99m Tc-Technegas SPECT
(Technegas) with those of 133 Xe gas dynamic SPECT in patients with pulmonary …

Initial experience with Technegas—A new ventilation agent

RM FAWDRY, ASM GRUENEWALD - Australasian Radiology, 1988 - Wiley Online Library
Technegas is an ultra‐fine dry dispersion of 99mTc‐labelled carbon with particle size of ap
proximately 0.005 μn. Because of this small size, penetration characteristics are gas‐like …

[PDF][PDF] Technegas lung ventilation

GM Currie - Journal of Nuclear Medicine Technology, 2021 - Soc Nuclear Med
Technegas (Cyclomedica Asia Pacific) is a versatile yet straightforward system for producing
high-quality 99mTc-based ventilation studies using a carbon-based nanoparticle. Because …

Technegas-a new ventilation agent for lung scanning

WM BURCH, PJ Sullivan… - Nuclear medicine …, 1986 - journals.lww.com
A simple process using technetium-99m generator eluate in a graphite crucible at 2500
[degrees] C, produces a structured ultra-fine dispersion of labelled carbon. Particle sizes are …