Colloid cyst of velum interpositum: a rare finding

Case report

Tom C. Morris M.B.B.S. and Stephen Santoreneos M.B.B.S.
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  • Department of Neurosurgery, Division of Paediatric Surgery, Women's and Children's Hospital, Adelaide, Australia
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The authors present the case of a child with a colloid cyst of the velum interpositum. To the best of the authors' knowledge, this is the first reported case in the pediatric literature and only the second reported case to date. The patient was of an 11-year-old boy in whom this lesion was found after a minor head injury. He had a 6-month history of memory deficits. A lesion consistent with a colloid cyst was seen in the region of the velum interpositum, in the roof of the third ventricle. This lesion was excised successfully via a transcallosal interfornical approach. There were no new postoperative deficits and the child made a full recovery of time.

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Contributor Notes

Address correspondence to: Tom C. Morris, M.B.B.S., Department of Neurosurgery, Women's and Children's Hospital, 72 King William Road North, Adelaide, South Australia 5006, Australia. email: tom.morris@health.sa.gov.au.

Please include this information when citing this paper: DOI: 10.3171/2011.11.PEDS11262.

  • 1

    Apuzzo ML, , Chikovani OK, , Gott PS, , Teng EL, , Zee CS, & Giannotta SL, et al. : Transcallosal, interfornicial approaches for lesions affecting the third ventricle: surgical considerations and consequences. Neurosurgery 10:547554, 1982

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  • 2

    Hingwala DR, , Sanghvi DA, , Shenoy AS, , Dange NN, & Goel AH: Colloid cyst of the velum interpositum: a common lesion at an uncommon site. Surg Neurol 72:182184, 2009

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  • 3

    Kumar V, , Behari S, , Kumar Singh R, , Jain M, , Jaiswal AK, & Jain VK: Pediatric colloid cysts of the third ventricle: management considerations. Acta Neurochir (Wien) 152:451461, 2010

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  • 4

    Rhoton AL Jr: The lateral and third ventricles. Neurosurgery 51:4 Suppl S207S271, 2002

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