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Review
. 2012 Aug 13:2012:bcr0120125566.
doi: 10.1136/bcr.01.2012.5566.

Supratentorial neurenteric cyst associated with a intraparenchymal subependymoma

Francesco Natrella  1 , Aldo Mariottini, Raffaele Rocchi, Clelia Miracco
Affiliations
Review

Supratentorial neurenteric cyst associated with a intraparenchymal subependymoma

Francesco Natrella et al. BMJ Case Rep. .

Abstract

Neurenteric cyst is a rare developmental lesion that very infrequently is localised supratentorially. Intraparenchymal subependymoma is an even more rare benign tumour. The authors report the case of a 45-year-old gentleman with a background of drug resistant epilepsy. An MRI was performed which showed a left frontal cystic lesion with a solid component. Histopathology confirmed a type C neurenteric cyst associated with an intraparenchymal subependymoma. Following enlargement of the lesion and worsening of symptoms he was referred to our institution for further management. A frontotemporal craniotomy was performed for excision of the lesion but recurrence occurred within 1 year. The lesion was further excised and 19 months post re-excision the patient is seizure free with no evidence of recurrence on MRI.

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Conflict of interest statement

Competing interests: None.

Figures

Figure 1
Figure 1
MRI showing the cyst before the first surgical procedure, after a stereotactic attempt of biopsy and drainage of cyst content. The cyst was 3.1×3.6×3.7 cm (width × rostro-caudal × anterior-posterior). A and B: coronal and sagittal T1-weghted images. C: axial T1-weighted image after contrast enhancement.
Figure 2
Figure 2
Histological section showing the pluristratified ciliated epithelium that lined the cys (H&E, x400).
Figure 3
Figure 3
Clustered nuclei and fibrillary stroma reminding a subependymoma (H&E, x400).
Figure 4
Figure 4
MRI at time of recurrence: T1-weighted images after gadolium administration. The cyst was slightly enlarged to 3×3.9×4 cm (width × rostro-caudal × anterior-posterior).
See this image and copyright information in PMC

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