scholarly journals Aqueductal stenosis

2021 ◽  
Author(s):  
Ammar Haouimi
Keyword(s):  
Aqueductal Stenosis

Uncus Herniation Presenting as Immediate Onset Postoperative Hemichorea

2019 ◽  
Vol 18 (02) ◽  
pp. 123-125
Author(s):  
Vinay Agarwal ◽  
Namit Singhal
Keyword(s):  
Central Nervous System ◽  
Nervous System ◽  
Postoperative Period ◽  
Aqueductal Stenosis ◽  
Spontaneous Movements ◽  
The Central Nervous System

AbstractChorea is defined as a state of excessive spontaneous movements, irregularly timed, nonrepetitive, randomly distributed, and abrupt in character. Thalamic and subthalamic lesions are commonly known to cause hemichorea. Here, we describe a patient with hydrocephalus due to aqueductal stenosis that caused hemichorea in the immediate postoperative period due to subthalamic infarct of uncus herniation. Considering that hydrocephalus symmetrically affects the central nervous system, the asymmetric presentation of chorea in the immediate postoperative period after wakening up from anesthesia could be confusing if a possibility of uncus herniation is not considered.

Long-Term Outcomes of Patients with Hydrocephalus Secondary to Tectal Plate Glioma versus Idiopathic Aqueductal Stenosis: Results from a Single Center

2021 ◽  
pp. 1-11
Author(s):  
Hamid Reza Niknejad ◽  
Melissa Frederickx ◽  
Emiel Salaets ◽  
Jurgen Lemiere ◽  
Lieven Lagae ◽  
...  
Keyword(s):  
Aqueductal Stenosis ◽  
Maximum Diameter ◽  
Benign Tumors ◽  
Term Outcome ◽  
Adequate Treatment ◽  
Long Term Outcome ◽  
Tectal Plate ◽  
The Mean

<b><i>Introduction:</i></b> Tectal plate gliomas (TPG) constitute a distinct entity of benign tumors of the brain stem which show an indolent clinical course. Adequate treatment of secondary hydrocephalus is undoubtedly a major factor in the outcome. However, little is known about to what degree the tumor itself determines the long-term outcome of these patients. <b><i>Methods:</i></b> We retrospectively analyzed and compared the clinical and radiological data of 16 pediatric TPG patients with data of 12 pediatric idiopathic aqueductal stenosis (IAS) patients treated in our center from 1988 to 2018. For both groups, we assessed the long-term outcome in terms of hydrocephalus management, and for the TPG group, we assessed tumor growth during follow-up. In a separate prospective part of the study, we performed a neuropsychological evaluation in a subgroup of patients using a standardized testing battery, covering intelligence, learning, memory, executive functions, and an inventory on depression. <b><i>Results:</i></b> In the TPG group, the mean clinical and radiological follow-up was 84 and 70 months, respectively. On average, the maximum diameter of the tumor increased by 11% (<i>p</i> = 0.031) and the estimated tumor volume with 35% (<i>p</i> = 0.026) on radiological follow-up. The fronto-occipital horn ratio (FOHR) decreased by 23% on average after treatment. In the IAS group, the mean clinical and radiological follow-up was 117 and 85 months, respectively. In this group, the FOHR decreased by 21% on average. Neurocognitive testing revealed significant higher scores in the TPG group on global intelligence (TPG = 109, IAS = 85.5, <i>U</i> = 3, <i>p</i> &#x3c; 0.01, <i>z</i> = −2.71), performance (TPG= 100, IAS = 85, <i>U</i> = 7, <i>p</i> = 0.03, <i>z</i> = −2.2), and verbal intelligence (TPG = 122, IAS = 91.5, <i>U</i> = 2, <i>p</i> &#x3c; 0.00, <i>z</i> = −2.87) as well as working memory (TPG = 109.5, IAS = 77, <i>U</i> = 0.5, <i>p</i> = 0.01, <i>z</i> = −2.46). <b><i>Conclusion:</i></b> Our results suggest that the long-term outcome in TPG patients is acceptable and that cognition is substantially better preserved than in patients with IAS. This puts the idea of a significant contribution of the tumoral mass to disease outcome on the long term in question. Adequate and prompt management of hydrocephalus is the most important factor in long-term cognitive outcome.

scholarly journals Hydrocephalus presenting as idiopathic aqueductal stenosis with subsequent development of obstructive tumor: report of 2 cases demonstrating the importance of serial imaging

2017 ◽  
Vol 20 (4) ◽  
pp. 329-333 ◽  
Author(s):  
Jarod L. Roland ◽  
Richard L. Price ◽  
Ashwin A. Kamath ◽  
S. Hassan Akbari ◽  
Eric C. Leuthardt ◽  
...  
Keyword(s):  
Late Onset ◽  
Diagnostic Testing ◽  
Subsequent Development ◽  
Mass Effect ◽  
Aqueductal Stenosis ◽  
Pineal Region ◽  
Serial Imaging ◽  
Cerebrospinal Fluid Diversion ◽  
First Case

The authors describe 2 cases of triventricular hydrocephalus initially presenting as aqueductal stenosis that subsequently developed tumors of the pineal and tectal region. The first case resembled late-onset idiopathic aqueductal stenosis on serial imaging. Subsequent imaging revealed a new tumor in the pineal region causing mass effect on the midbrain. The second case presented in a more typical pattern of aqueductal stenosis during infancy. On delayed follow-up imaging, an enlarging tectal mass was discovered. In both cases hydrocephalus was successfully treated by cerebrospinal fluid diversion prior to tumor presentation. The differential diagnoses, diagnostic testing, and treatment course for these unusual cases are discussed. The importance of follow-up MRI in cases of idiopathic aqueductal stenosis is emphasized by these exemplar cases.

Direct communication between the lateral ventricle and the frontal sinus as the cause of CSF rhinorrhea in aqueductal stenosis

1981 ◽  
Vol 57 (1-2) ◽  
pp. 95-98 ◽  
Author(s):  
J. M. Cabezudo ◽  
J. Vaquero ◽  
R. García-de-Sola ◽  
E. Areitio ◽  
R. Martinez
Keyword(s):  
Frontal Sinus ◽  
Lateral Ventricle ◽  
Aqueductal Stenosis ◽  
Csf Rhinorrhea ◽  
Direct Communication

Obliteration of the choroid plexus after endoscopic coagulation

2014 ◽  
Vol 14 (3) ◽  
pp. 230-233 ◽  
Author(s):  
Hideki Ogiwara ◽  
Kodai Uematsu ◽  
Nobuhito Morota
Keyword(s):  
Choroid Plexus ◽  
Demographic Data ◽  
Aqueductal Stenosis ◽  
Third Ventriculostomy ◽  
Infantile Hydrocephalus ◽  
Foramen Of Monro ◽  
Initial Surgery ◽  
Endoscopic Observation ◽  
The Mean

Object Endoscopic choroid plexus coagulation (CPC) with or without endoscopic third ventriculostomy (ETV) has been shown to be effective for selected patients with hydrocephalus. However, whether the effect of the coagulation is temporary and the choroid plexus regenerates or can be obliterated has remained largely unknown. The authors evaluate the effectiveness of CPC and report 3 cases of obliteration demonstrated by direct endoscopic observation. Methods The authors retrospectively analyzed the surgical results of patients with hydrocephalus primarily treated by CPC with or without ETV. Charts were reviewed for demographic data, clinical presentations, surgical therapies, and clinical outcomes. Results Eighteen patients with hydrocephalus were surgically treated using endoscopic CPC between July 2002 and July 2012. In 12 patients, ETV was concurrently performed. The etiology of hydrocephalus was posthemorrhagic in 5 patients, myelomeningocele in 3, postmeningitis in 2, congenital aqueductal stenosis in 1, hydranencephaly in 1, porencephaly in 1, and idiopathic in 5. The mean age at surgery was 8 months (range 0.3–24 months). The mean follow-up was 64 months. In 9 cases (50%), control of hydrocephalus was successful and the patients did not require further surgeries. In 9 patients (50%), treatment failed. Of these, 3 patients underwent repeat ETV 2, 3, and 38 months after the initial surgery. Endoscopic observation of the previous coagulation site revealed no regeneration of the choroid plexus in 2 patients, who underwent repeat ETV 2 and 3 months after CPC. In 1 patient who underwent repeat ETV 38 months after CPC, no regeneration of the choroid plexus, except for that in the proximity of the foramen of Monro, was observed. Conclusions Endoscopic CPC with or without ETV can be a safe and effective treatment alternative to shunt placement in infantile hydrocephalus. Obliteration of the choroid plexus can persist in the relatively long term following CPC, which may contribute to the long-term control of hydrocephalus in successful cases.

Endoscopic Third Ventriculostomy in Infants Less than One Year of Age: A Short Series of 14 Cases

2021 ◽  
Vol 56 (2) ◽  
pp. 105-109
Author(s):  
Sarita Chowdhary ◽  
Shyamendra Pratap Sharma ◽  
Pranaya Panigrahi ◽  
Manoj Kumar Yadav ◽  
Shiv Prasad Sharma
Keyword(s):  
Endoscopic Third Ventriculostomy ◽  
Obstructive Hydrocephalus ◽  
Aqueductal Stenosis ◽  
Csf Shunt ◽  
Third Ventriculostomy ◽  
Occipital Encephalocele ◽  
Shunt Implantation ◽  
Permanent Morbidity ◽  
One Year

<b><i>Background:</i></b> Endoscopic third ventriculostomy (ETV) is currently considered as an alternative to cerebrospinal fluid (CSF) shunt systems in the treatment of obstructive hydrocephalus. This procedure allows the CSF to drain in the basal cisterns and reabsorbed by arachnoid granulations, and avoiding implantation of exogenous material. <b><i>Aims and Objectives:</i></b> The purpose of this study was to assess the success rate of ETV in infants less than 1 year of age with congenital noncommunicating hydrocephalus. <b><i>Material and Methods:</i></b> This study was a 2-year prospective study from August 2017 to July 2019. ETVs were performed in 14 patients younger than 1 year with diagnosis of noncommunicating hydrocephalous. A failure was defined as the need for shunt implantation after ETV. Phase-contrast MRI of the brain was done after 6 months to see patency of ETV fenestration and CSF flow through ventriculostomy. <b><i>Results:</i></b> ETV was tried in 18 patients and successfully performed in 14 patients. Out of the 14 patients, shunt implantation after ETV was performed in 3 patients (failed ETV). In the successful cases, etiology was idiopathic aqueductal stenosis in 8, shunt complications in 2, and 1 case was a follow-up case of occipital encephalocele; the mean age was 7.7 months (range 3–12). In the 3 failed cases, etiology was aqueductal stenosis, mean age was 7.6 months (range 3–11). In all ETVs, failed patients MPVP shunting was done. Follow-up of nonshunted patients was done from 6 to 24 months (mean 15 months). There was no mortality or permanent morbidity noted following ETV. <b><i>Conclusion:</i></b> ETV is a good surgical procedure for less than 1-year-old children.

Aqueductal Stenosis and Hydrocephalus

2018 ◽  
pp. 1-30
Author(s):  
Pietro Spennato ◽  
Giuseppe Cinalli ◽  
Emilio Cianciulli ◽  
Maria d’Armiento
Keyword(s):  
Aqueductal Stenosis

scholarly journals X-Linked Hydrocephalus

1986 ◽  
Vol 13 (4) ◽  
pp. 344-346 ◽  
Author(s):  
Ruben I. Kuzniecky ◽  
Gordon V. Watters ◽  
Lise Watters ◽  
Kathleen Meagher-Villemure
Keyword(s):  
Aqueductal Stenosis ◽  
French Canadian ◽  
Secondary Compression ◽  
Two Generations ◽  
Adducted Thumbs ◽  
Recessive Transmission

ABSTRACT:Two French-Canadian families with seven cases of hydrocephalus in two generations are presented. The pattern of inheritance is consistent with an X-linked recessive transmission. The clinical and pathologic characteristics of this entity are reviewed. The anomaly of adducted thumbs was present in one patient and its cause is considered. The hypothesis of primary hydrocephalus and secondary compression of the aqueduct as the mechanism for aqueductal stenosis is discussed.

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