Floating fat is a sign of acute bone injury at the knee following trauma. The goal of this article is to review the etiology, patterns, and mimickers of extra-capsular and intra-capsular floating fat, with the major emphasis on knee trauma in the acute setting. We will discuss the spectrum of multimodal imaging findings for rare presentations of extra-capsular floating fat, and contrast these with common and atypical forms of intra-capsular lipohemarthrosis, as an aid to the assessment of acute bone trauma at the knee.
Solitary fibrous tumor of the pleura (SFTP) is a rare intrathoracic neoplasm, often giant in size and highly vascular, which can make surgical resection very challenging. Preoperative percutaneous embolization before surgical removal can significantly reduce the risk of uncontrollable intraoperative hemorrhage. However, a rare potential life threatening complication could result from embolization of SFTP and must be taken into consideration. This report describes a 69-year-old female with a large right thoracic SFTP, who underwent preoperative angiography and embolization and developed diffuse embolic brain infarcts immediately after the administration of polyvinyl alcohol particles.
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