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  Indian J Med Microbiol
 

Figure 5: Aneurysmal bone cyst: Sagittal T2 (a), T1 (b) and coronal T2FS (white arrow in c) magnetic resonance images showing a lesion in left sacral ala appearing heterointense with both hypo and hyperintense areas within. On axial T2 images, the lesion shows internal fluid-fluid levels suggesting recurrent haemorrhage (white star in d), with heterogenous predominantly peripheral post-contrast enhancement (black star in e)

Figure 5: Aneurysmal bone cyst: Sagittal T2 (a), T1 (b) and coronal T2FS (white arrow in c) magnetic resonance images showing a lesion in left sacral ala appearing heterointense with both hypo and hyperintense areas within. On axial T2 images, the lesion shows internal fluid-fluid levels suggesting recurrent haemorrhage (white star in d), with heterogenous predominantly peripheral post-contrast enhancement (black star in e)