Sternal Uptake of 99mTc-MAA in Thoracic Outlet Syndrome

ABSTRACTTc-macroaggregated albumin (MAA) uptake in the vertebrae has been reported in central vein occlusion, although its sternal uptake is rarely seen. We present a case in which Tc-MAA SPECT/CT showed spotty uptake in the sternum. Contrast-enhanced CT revealed marked narrowing of the left subclav...

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Bibliographic Details
Published in:Clinical nuclear medicine 2015-12, Vol.40 (12), p.971-972
Main Authors: Matsusaka, Yohji, Nakahara, Tadaki, Iwabuchi, Yu, Kameyama, Masashi, Murakami, Koji
Format: Article
Language:English
Subjects:
Aged
Humans
Male
Multimodal Imaging
Radiopharmaceuticals
Sternum - diagnostic imaging
Technetium Tc 99m Aggregated Albumin
Thoracic Outlet Syndrome - diagnostic imaging
Tomography, Emission-Computed, Single-Photon
Tomography, X-Ray Computed
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Summary:ABSTRACTTc-macroaggregated albumin (MAA) uptake in the vertebrae has been reported in central vein occlusion, although its sternal uptake is rarely seen. We present a case in which Tc-MAA SPECT/CT showed spotty uptake in the sternum. Contrast-enhanced CT revealed marked narrowing of the left subclavian vein at the thoracic outlet with a developed collateral vein running, in the left anterior chest subcutaneous tissue, between the sternum and left axilla. In this case, IV injection of Tc-MAA from the left forearm probably led to bone marrow uptake in the sternum due to retrograde venous flow through the collateral vein.
ISSN:0363-9762
1536-0229
DOI:10.1097/RLU.0000000000000979