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  Medical Imaging  ←  
Presentation


Phoenix Diagnostic Clinic


 • Pyogenic: Staphylococcus aureus, Enterococccus, E Coli, Salmonella
 • Granulomatous infection: Tuberculous sponsylitis, fungal, parasitic

 • Different treatment
The causative organisms low rates of isolation:
 • 50% for tuberculous
 • 60% - 80% for pyogenic
  24-37% unknown source

Spondylodiskitis - MR Findings


 • MR > CT
 • Destruction of vertebral body
 • Destruction of cartilage
 • Abscesses (bone, soft tissue, epidural)
 • Epidural flegmon Erosions, osteitis, diskitis
Erosions, osteitis, diskitisErosions, osteitis, diskitis
Erosions, osteitis, diskitis
Epidural phlegmon
Epidural phlegmon
Epidural abscess
Epidural abscess

Postoperative Spondylodiskitis

 • Delay in diagnostic (clinical variability, lack of specificity)
 • Pain 7-28 dy after surgery
 • 1/3 fever, 8% superficial signs of infection
 • MRI:
   – High signal intensity disk
   – Bone marrow edema                   >>>              Postoperative
   – Contrast enhancement                                    spondylodiskitis
SD Boden, Radiology, 1992
Postoperative Spondylodiskitis - MR Findings

Early postopeartive diskitisEarly postopeartive diskitis
Early postopeartive diskitis
Early postopeartive diskitis

 Tuberculous versus pyogenic spondylodiskitis
MC Chang et al, Spine 2006 – 33 TSd, 33 PSd

 • 22 MR parameters were evaluated
 • 17 MR parameter significantly differed between 2 groups

TBP
Bone destruction50%-75%<50%
DiskNormalAffected
AbscessBoneDisk
Enhancement vertebral bodyInhomogeneousHomogenous
Enhancement paraspinalWell-definedIll-defined
 

November 4, 2009


Phoenix Diagnostic Clinic, Bucharest
  

Notice:
This site is primarily intended for use by qualified medical or sport professionals.
If you are a consumer, you should evaluate the information together with your physician or other qualified healthcare professional.
The information provided here is for educational and informational purposes only and should not be considered as a medical advice.
As medical and sport science is permanently changing, we (authors and publishers) use our best efforts to provide accurate information, but we can not warrant that the information in this article and web site is accurate, complete or up-to-date.
This article reflects the opinions and judgments of it's author and may be further updated.
If you have questions regarding this article, please contact the author.
Information belongs to Phoenix Diagnostic Clinic, Bucharest

 
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