Postshunting corpus callosum swelling with depiction on tractography

Case report

Daniel T. Ginat M.D., M.S. 1 , Sanjay P. Prabhu M.B.B.S., F.R.C.R. 2 , and Joseph R. Madsen M.D. 3
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  • 1 Department of Radiology, Massachusetts General Hospital; and
  • 2 Departments of Radiology and
  • 3 Neurosurgery, Boston Children's Hospital, Boston, Massachusetts
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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.

Abbreviations used in this paper:ADC = apparent diffusion coefficient; DT = diffusion tensor; FA = fractional anisotropy.

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Contributor Notes

Address correspondence to: Daniel T. Ginat, M.D., Department of Radiology, Massachusetts General Hospital, 55 Fruit Street, Boston, Massachusetts 02114. email: ginatd01@gmail.com.

Please include this information when citing this paper: published online November 16, 2012; DOI: 10.3171/2012.10.PEDS1242.

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