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Updated: Dec 20, 2025

Transaxillary First Rib Resection for Treatment of the Thoracic Outlet Syndrome
Published on: September 13, 2020
Manubrial pseudolesion: a secondary sign of thoracic outlet syndrome
Michael R Shroads1, Elizabeth Weihe1, Edward Smitaman1
1Department of Radiology, University of California San Diego, 408 Dickinson Street, Mail code 8226, San Diego, CA 92103, USA.
Abstract:
Marrow enhancement mimicking sclerotic osseous disease, or the so-called transient "pseudolesion," has frequently been described in vertebral bodies supplied by collateral basivertebral venous flow in the setting of central venous obstruction. Pseudolesions involving the sternum are much rarer and have only been described in the setting of malignant central venous obstruction. We report a case of an incidental manubrial pseudolesion on contrast-enhanced CT prompting further investigation for thoracic outlet syndrome.
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