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[Differential diagnosis of infective spondylodiscitis and erosive degenerative disk disease]
P Champsaur1, C Parlier-Cuau, V Juhan
1Service de Radiologie et Imagerie Médicale, CHU de la Timone, 254, rue Saint-Pierre, 13385 Marseille Cedex 5, France.
Purpose:
To assess the value of imaging in the differential diagnosis of erosive intervertebral osteochondrosis (EIVO) versus infectious discitis (ID).
Materials And Methods:
Twelve cases of EIVO and 30 cases of ID were reviewed to define the usefull signs for differential diagnosis on plain films, CT, and MR.
Results:
No single sign is sufficient, but the association of several signs is suggestive of EIVO: discal vacuum phenomenom, well-defined sclerosis and erosions of vertebral endplates, high signal strip surrounding low signal of vertebral endplates on T1-weighted images.
Conclusion:
Imaging is helpful in difficult differential diagnosis of EIVO versus ID.