Document Detail

Clinical characterizations and radiologic findings of pure foraminal-type cervical disc herniation: CT discography as a useful adjuvant in its precise diagnosis.
MedLine Citation:
PMID:  16227875     Owner:  NLM     Status:  MEDLINE    
STUDY DESIGN: A retrospective study of 15 cases of pure foraminal type cervical disc herniation (CDH) was performed. OBJECTIVES: The objectives were to describe the clinical characteristics and to assess the radiologic findings. SUMMARY OF BACKGROUND DATA: Although foraminal lumbar disc herniation has been reported, pure foraminal-type CDH has not been fully elucidated. It is not only a rare condition but also a difficult one to diagnose. METHODS: All patients underwent MRI, CT myelography (CTM), and CT discography (CTD). Herniated discs were removed by the posterior approach. Clinical symptoms were evaluated at preoperative and postoperative period. RESULTS: On MRI, 2 cases were positive, 6 cases were suspected, and 7 cases were negative. On CTM, 7 cases were positive and 8 cases were negative; and on CTD, all cases were positive. As to the association between the herniated disc and posterior longitudinal ligament, 12 cases were intraligamentous. The association between the herniated disc and nerve root revealed that 10 discs were at the axillary portion of the nerve root. CONCLUSIONS: Pure foraminal-type CDH may be overlooked with conventional MRI or CTM, so CTD should be performed. It provides valuable and additional information in difficult or ambiguous cases such as pure foraminal type.
Takahiko Hamasaki; Itsushi Baba; Shin Tanaka; Tadayoshi Sumida; Hideki Manabe; Nobuhiro Tanaka; Mitsuo Ochi
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Publication Detail:
Type:  Case Reports; Evaluation Studies; Journal Article    
Journal Detail:
Title:  Spine     Volume:  30     ISSN:  1528-1159     ISO Abbreviation:  Spine     Publication Date:  2005 Oct 
Date Detail:
Created Date:  2005-10-17     Completed Date:  2006-03-23     Revised Date:  2009-07-09    
Medline Journal Info:
Nlm Unique ID:  7610646     Medline TA:  Spine (Phila Pa 1976)     Country:  United States    
Other Details:
Languages:  eng     Pagination:  E591-6     Citation Subset:  IM    
Department of Orthopaedic Surgery, Graduate School of Biomedical Sciences, Hiroshima University, Hiroshima, Japan.
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MeSH Terms
Arthrography* / standards
Cervical Vertebrae / pathology,  radiography,  surgery*
Intervertebral Disk Displacement / complications,  diagnosis*,  pathology,  surgery*
Longitudinal Ligaments / pathology
Magnetic Resonance Imaging
Middle Aged
Nerve Compression Syndromes / diagnosis,  etiology
Retrospective Studies
Spinal Nerve Roots
Tomography, X-Ray Computed* / standards

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