File:Aneurysmal bone cyst - sacrum (Radiopaedia 65190-74196 Axial T2 fat sat 2).jpg

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Description	Radiopaedia case ID: 65190 Image ID: 44991612 Image stack position: 2/20 Plane projection: Axial Aux modality: T2 fat sat Study findings: The MRI study better depicts the cystic nature of the sacral lesion. The lesion is bubbly-looking with multiple septations and fluid-fluid levels. It is arising from the posterior element of the sacral spine extending from S1 to S5 with mild extension to the body of S2 and S3 through the bilateral pedicles. There is significant narrowing at the distal sacral spinal canal, however, there is no compromise on the neural foramina. Minimal septal enhancement is seen in the post contrast images. The MRI features are highly suggestive of aneurysmal bone cyst. Modality: MRI System: Paediatrics Findings: There is lytic lesion in the sacrum causing asymmetry of the sacral foramina. An overlapping fecal filled bowel loops degrade the image quality. The differential diagnosis of a midline sacral lesion in pediatric age group would include sacrococcygeal teratoma, chordoma, Ewing sarcoma or aneurysmal bone cyst. Further assessment with cross sectional imaging is needed to narrow the list.
Date	Published: 28th Dec 2018
Source	https://radiopaedia.org/cases/aneurysmal-bone-cyst-sacrum-1
Author	Yasser Asiri
Permission (Permission-reusing-text)	http://creativecommons.org/licenses/by-nc-sa/3.0/

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current	10:02, 4 May 2021		512 × 394 (37 KB)	Fæ (talk \| contribs)	Radiopaedia project rID:65190 (batch #1846-82 D2)

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