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Updated: Oct 20, 2025

Use of Electromagnetic Navigational Transthoracic Needle Aspiration E-TTNA for Sampling of Lung Nodules
Published on: May 23, 2015
Incidental Finding of Pulmonary Embolism at Workup Before SIRT
Stine Jentoft Kramer1, Nerijus Amanavicius2, Peter Frøhlich Staanum1
1From the Department of Nuclear Medicine and PET-Centre.
Abstract:
Selective internal radiation therapy (SIRT) is a catheter-guided treatment offered to selected patients with primary and secondary liver malignancies. SIRT is preceded by a workup procedure, where 99mTc-MAA (macroaggregated albumin) is injected in the tumor supplying artery/arteries followed by MAA scintigraphy. SIRT is frequently offered to patients with hepatocellular carcinoma (HCC), but large HCCs are known to be associated with a high risk of liver-to-lung shunting. We present a HCC patient case where a large lung-shunt enabled diagnosis of pulmonary embolism.
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