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Cranial MR Imaging of Sequelae of Prefrontal Lobotomy

Akira UchinoGo,a, Akira Katoa, Takefumi Yuzurihaa, Yuki Takashimaa and Sho Kudoa

a From the Department of Radiology (A.U., A.K., S.K.), Saga Medical School, and the Departments of Psychiatry (T.Y.) and Neurology (Y.T.), National Hizen Hospital, Saga, Japan.



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  		FIG 1. Images of patient 4.

A, Axial FLAIR image shows a large bilateral cavitary lesion containing CSF-like fluid with a thick wall in the frontal white matter. The cortical sulci of bifrontal lobes are dilated mildly. The cavum septum pellucidum is also observed.

B, Midsagittal T1-weighted image shows markedly atrophic genu of the corpus callosum.



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  		FIG 2. Axial FLAIR image of patient 5 shows a small cavity with a thick wall in the bifrontal white matter. The bifrontal cortical sulci are dilated mildly. Moderately atrophic genu of the corpus callosum was observed on the midsagittal T1-weighted image (not shown)



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  		FIG 3. Images of patient 7.

A and B, Two contiguous axial FLAIR image shows a small bilateral cavitary lesion in the medial frontal white matter. The cortical sulci of bifrontal lobes are dilated mildly. Markedly atrophic genu of the corpus callosum was observed on the midsagittal T1-weighted image (not shown).





Copyright © 2008 by the American Society of Neuroradiology. Print ISSN: 0195-6108 Online ISSN: 1936-959X