Long-term outcomes of endoscopic third ventriculostomy for Blake’s pouch cyst in adults

Takeshige, Nobuyuki; Uchikado, Hisaaki; Yoshitake, Hidenobu; Negoto, Tetsuya; Yoshitomi, Munetake; Sakata, Kiyohiko; Morioka, Motohiro

doi:10.1016/j.clineuro.2020.106357

Cited by 1 publication

(2 citation statements)

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“…[ 11 , 13 ] However, most cases of BPC occur in children,[ 2 , 6 , 10 ] there have been some adult cases. [ 3 , 5 , 6 , 9 ] In pediatric cases, the onset of symptoms mainly begins with progressive hydrocephalus, such as cranial enlargement and sunset phenomenon, and the patient’s intelligence is maintained in the normal range when hydrocephalus is controlled with proper treatment. In contrast, only 11 adult cases have been reported including our case [ Table 1 ].…”

Section: Discussionmentioning

confidence: 99%

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Endoscopic third ventriculostomy for patients with Blake’s pouch cyst with adult-onset hydrocephalus: Importance of improved cerebrospinal fluid flow in the prepontine cistern – A case report

Hori

Akai

Shiraishi

et al. 2023

Surgical Neurology International

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Background: Blake’s pouch cyst (BPC) is a posterior fossa cystic malformation that commonly occurs in children with rare adult onset. Herein, we report a case of adult onsets BPC. Case Description: A 61-year-old man presented with gait and cognitive disturbance. Preoperative magnetic resonance imaging (MRI) revealed scarring in the prepontine cistern, and cine phase-contrast MRI revealed no pulsation. Endoscopic third ventriculostomy (ETV) was performed with opening the scarring in the prepontine cistern. Postoperative cine phase-contrast MRI revealed that cerebrospinal fluid (CSF) flow in the prepontine cistern improved, resolving the patient’s symptoms. Conclusion: We report a case of adult-onset BPC. The mechanism by which is becomes symptomatic is still unclear. We opened the scar in prepontine cistern in addition to ETV with good results. In this report, we discussed the importance of the improvement in CSF dynamics in the prepontine cistern.

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Section: Discussionmentioning

confidence: 99%

“…Takeshige et al . [ 9 ] reported seven adult cases wherein ETV was performed and follow-up period was over 5 years. Of the seven cases, two cases had failed ETVs due to the unsuccessful opening of the scarring in prepontine cistern.…”

Section: Discussionmentioning

confidence: 99%