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J Neurosurg Pediatr. 2013 Feb;11(2):178-80. doi: 10.3171/2012.10.PEDS1242. Epub 2012 Nov 16.

Postshunting corpus callosum swelling with depiction on tractography.

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Department of Radiology, Massachusetts General Hospital, Boston, Massachusetts 02114, USA.


Alterations in the appearance of the corpus callosum occasionally occur following successful ventricular decompression in patients with chronic hydrocephalus. There are certain features on imaging that suggest the diagnosis of what the authors propose be termed "postshunting corpus callosum swelling," including diffuse high T2 signal predominantly affecting the body of the corpus callosum, with transverse orientation along the crossing white matter tracts and scalloping along the posterior margin of the structure. In this report, the authors demonstrate preservation of the corpus callosum white matter fiber tracts by using diffusion tensor imaging with tractography.

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