Document Detail

Intradural disc herniation: Radiographic findings and surgical results with a literature review.
MedLine Citation:
PMID:  25086430     Owner:  NLM     Status:  Publisher    
OBJECTIVE: To report a series of four cases of intradural disc herniation (IDH) with a review of the literature.
SUMMARY OF BACKGROUND DATA: IDH is a rare type of disc herniation. Preoperative diagnosis is difficult and IDH is only confirmed during surgery in most cases. Here, we describe four cases of IDH, including three with lumbar hernia and one with thoracic hernia.
METHODS: A retrospective chart review, surgical database query, and review of radiology reports are presented for each case, along with a literature review of IDH.
RESULTS: Two of the four patients had a history of surgery at the same spinal level. Ring enhancement in gadolinium-enhanced MRI, an air image in computed tomography, and complete block in myelography were observed in the series. Surgery was performed with a transdural approach in all patients. One patient underwent transforaminal lumbar interbody fusion after postoperative recurrence. Three patients with lumbar involvement had nerve root symptoms preoperatively, but showed symptomatic improvement in the early postoperative period. In contrast, the patient with thoracic involvement had preoperative muscle weakness due to myelopathy symptoms, and had residual symptoms after surgery.
CONCLUSIONS: IDH is a rare disease and characteristic imaging findings can be useful for diagnosis. Intraoperative findings lead to a definitive diagnosis in many cases and recognition of the pathological characteristics of IDH is important.
Kazuyoshi Kobayashi; Shiro Imagama; Yuji Matsubara; Hisatake Yoshihara; Kenichi Hirano; Zenya Ito; Kei Ando; Junichi Ukai; Akio Muramoto; Ryuichi Shinjo; Tomohiro Matsumoto; Hiroaki Nakashima; Naoki Ishiguro
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-7-11
Journal Detail:
Title:  Clinical neurology and neurosurgery     Volume:  125C     ISSN:  1872-6968     ISO Abbreviation:  Clin Neurol Neurosurg     Publication Date:  2014 Jul 
Date Detail:
Created Date:  2014-8-2     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7502039     Medline TA:  Clin Neurol Neurosurg     Country:  -    
Other Details:
Languages:  ENG     Pagination:  47-51     Citation Subset:  -    
Copyright Information:
Copyright © 2014 Elsevier B.V. All rights reserved.
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