Skull defect – Frontotemporal dementia sagging brain syndrome

Abstract Objective Frontotemporal dementia (FTD) sagging brain syndrome is a disabling condition. An underlying spinal Cerebrospinal fluid leak can be identified in only a minority of patients and the success rate of non‐directed treatments is low. Some of these patients have a remote history of cra...

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Main Authors: Wouter I. Schievink, Marcel M. Maya, Robin Babadjouni, Angelique Sao‐Mai S. Tay, Rachelle B. Taché
Format: Article
Language:English
Published: Wiley 2025-01-01
Series:Annals of Clinical and Translational Neurology
Online Access:https://doi.org/10.1002/acn3.52277
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author Wouter I. Schievink
Marcel M. Maya
Robin Babadjouni
Angelique Sao‐Mai S. Tay
Rachelle B. Taché
author_facet Wouter I. Schievink
Marcel M. Maya
Robin Babadjouni
Angelique Sao‐Mai S. Tay
Rachelle B. Taché
author_sort Wouter I. Schievink
collection DOAJ
description Abstract Objective Frontotemporal dementia (FTD) sagging brain syndrome is a disabling condition. An underlying spinal Cerebrospinal fluid leak can be identified in only a minority of patients and the success rate of non‐directed treatments is low. Some of these patients have a remote history of craniectomy/cranioplasty and we report a positive response to custom implant cranioplasty revision many years after their initial cranioplasty. Methods We reviewed medical records and imaging studies of 61 consecutive patients with FTD sagging brain syndrome. A SIH Disability Assessment Score (SIHDAS) questionnaire was completed to assess the severity of the symptoms before and after custom implant cranioplasty. Pre‐ and post‐operative brain MRI was obtained to assess degree of brain sagging. Results Eight (13.1%) of the 61 patients had a history of craniectomy/cranioplasty 1.5–13.5 years prior to onset of symptoms of FTD sagging brain syndrome. The mean age of the one woman and seven men at the time of presentation to our medical center was 50 years (range, 26–68 years). None had sinking scalp flap syndrome. Prior treatments included epidural blood patching and dural reduction surgery. Custom cranial implant surgery was performed in four patients and resulted in prompt and remarkable improvement of symptoms in three patients (SIHDAS: very severe disability to no or mild disability) and mild improvement in one patient. Brain MRI showed improvement of brain sagging. Interpretation A disproportionate number of patients with FTD sagging brain syndrome have a remote history of supratentorial craniectomy/cranioplasty and revision cranioplasty should be considered.
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spelling doaj-art-d05e37eba9314d6587d33e3da3ead10c2025-01-21T05:41:42ZengWileyAnnals of Clinical and Translational Neurology2328-95032025-01-0112122623410.1002/acn3.52277Skull defect – Frontotemporal dementia sagging brain syndromeWouter I. Schievink0Marcel M. Maya1Robin Babadjouni2Angelique Sao‐Mai S. Tay3Rachelle B. Taché4Department of Neurosurgery Cedars‐Sinai Medical Center Los Angeles California USADepartment of Imaging Cedars‐Sinai Medical Center Los Angeles California USADepartment of Neurosurgery Cedars‐Sinai Medical Center Los Angeles California USADepartment of Neurosurgery Cedars‐Sinai Medical Center Los Angeles California USADepartment of Neurosurgery Cedars‐Sinai Medical Center Los Angeles California USAAbstract Objective Frontotemporal dementia (FTD) sagging brain syndrome is a disabling condition. An underlying spinal Cerebrospinal fluid leak can be identified in only a minority of patients and the success rate of non‐directed treatments is low. Some of these patients have a remote history of craniectomy/cranioplasty and we report a positive response to custom implant cranioplasty revision many years after their initial cranioplasty. Methods We reviewed medical records and imaging studies of 61 consecutive patients with FTD sagging brain syndrome. A SIH Disability Assessment Score (SIHDAS) questionnaire was completed to assess the severity of the symptoms before and after custom implant cranioplasty. Pre‐ and post‐operative brain MRI was obtained to assess degree of brain sagging. Results Eight (13.1%) of the 61 patients had a history of craniectomy/cranioplasty 1.5–13.5 years prior to onset of symptoms of FTD sagging brain syndrome. The mean age of the one woman and seven men at the time of presentation to our medical center was 50 years (range, 26–68 years). None had sinking scalp flap syndrome. Prior treatments included epidural blood patching and dural reduction surgery. Custom cranial implant surgery was performed in four patients and resulted in prompt and remarkable improvement of symptoms in three patients (SIHDAS: very severe disability to no or mild disability) and mild improvement in one patient. Brain MRI showed improvement of brain sagging. Interpretation A disproportionate number of patients with FTD sagging brain syndrome have a remote history of supratentorial craniectomy/cranioplasty and revision cranioplasty should be considered.https://doi.org/10.1002/acn3.52277
spellingShingle Wouter I. Schievink
Marcel M. Maya
Robin Babadjouni
Angelique Sao‐Mai S. Tay
Rachelle B. Taché
Skull defect – Frontotemporal dementia sagging brain syndrome
Annals of Clinical and Translational Neurology
title Skull defect – Frontotemporal dementia sagging brain syndrome
title_full Skull defect – Frontotemporal dementia sagging brain syndrome
title_fullStr Skull defect – Frontotemporal dementia sagging brain syndrome
title_full_unstemmed Skull defect – Frontotemporal dementia sagging brain syndrome
title_short Skull defect – Frontotemporal dementia sagging brain syndrome
title_sort skull defect frontotemporal dementia sagging brain syndrome
url https://doi.org/10.1002/acn3.52277
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