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Bilateral occlusion of the foramina of Monro after endoscopic third ventriculostomy for aqueductal stenosis—a case report

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Abstract

Case report

Bilateral occlusion of the foramina of Monro is an extremely rare clinical condition. We present the case of a 10-year-old girl who complained of frequent headaches.

Methods

Magnetic resonance imaging showed triventricular hydrocephalus due to aqueductal stenosis, so endoscopic third ventriculostomy was performed successfully. The headaches subsequently disappeared, but the patient presented with exacerbation of headaches 32 months postoperatively. Magnetic resonance imaging demonstrated bilateral hydrocephalus of the lateral ventricles, implying bilateral occlusion of the foramina of Monro. We again performed endoscopic surgery, confirming bilateral occlusion of the foramina of Monro.

Results

The foramina of Monro were apparently obstructed by normal ependyma, and no tumor masses or other structures were detected around the foramina, so we diagnosed the occlusion of the foramina as secondary after endoscopic third ventriculostomy. We fenestrated the septum pellucidum using a monopolar micro endoscopic electrode, and a ventriculoperitoneal shunt was placed for the management of hydrocephalus. The postoperative course was uneventful, and the headaches were completely resolved.

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Authors and Affiliations

  1. Department of Neurosurgery, Nagoya University, 65 Tsurumai-cho, Showa-ku, Nagoya, Aichi, 466-8550, Japan

    Yuichi Nagata, Kazuhito Takeuchi, Yusuke Sato & Toshihiko Wakabayashi

  2. Department of Neurosurgery, Japanese Red Cross Nagoya Daini Hospital, 2-9 Myoken-cho, Showa-ku, Nagoya, Aichi, 466-8650, Japan

    Tetsuya Nagatani, Tadashi Watanabe & Masao Tambara

Authors
  1. Yuichi Nagata
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  2. Kazuhito Takeuchi
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  3. Tetsuya Nagatani
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  4. Tadashi Watanabe
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  5. Yusuke Sato
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  6. Masao Tambara
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  7. Toshihiko Wakabayashi
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Corresponding author

Correspondence to Yuichi Nagata.

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No sources of financial or material support were gained for conducting this study.

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Informed consent was obtained from the participant included in this case report.

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This work has not been previously presented or published anywhere in any language.

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Nagata, Y., Takeuchi, K., Nagatani, T. et al. Bilateral occlusion of the foramina of Monro after endoscopic third ventriculostomy for aqueductal stenosis—a case report. Childs Nerv Syst 32, 739–743 (2016). https://doi.org/10.1007/s00381-015-2913-1

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  • DOI: https://doi.org/10.1007/s00381-015-2913-1

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