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C-1437 - Imaging principles of spondylolysis

E. Soylu Ozturk, K. OZTURK, M. Parlak; Bursa/TR Type: Educational Exhibit
Area of Interest: Musculoskeletal spine
Imaging Techniques: SPECT, CT, Digital radiography
Procedure: Diagnostic procedure
Special Focus: Connective tissue disorders
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Learning objectives: In this exhibit, review of the current concepts, pathogenesis, epidemiology, general treatment guidelines, besides an extensive discussion and review of the imaging principles for the diagnosis of spondylolysis was provided.  

Background:  Pars interarticularis is the conjunction of the pedicle, lamina and articular facet. The term spondylolysis refers to the defective appearance of pars interarticularis. Over time, the pars defect is filled with a cartilage and bone tissue. For this reason, it is inevitable that the pars defect[...]

Findings and procedure details:     PATHOGENESİS      The pathogenesis of lumbar spondylolysis is multifactorial. Genetic factors are believed to play a role in the establishment of the pars defects. It has been described that the incidence of spondylolysis among family members can reach up to 70% in some [...]

Conclusion:  In patients with predisposing conditions, lumbar spondylolysis usually develops due to microtraumas, which are not observed in radiography and CT. The stress reaction (grade 1) can transform into the incomplete stress fracture (stage 2) and the acute pars stress fracture (stage 3) by these rep[...]

Personal information:

References: 1- Rauch RA, Jinkins JR. Lumbosacral spondylolisthesis associated with spondylolysis. Neuroimaging Clin N Am. 1993; 3:543–55. 2- Rossi F. Spondylolysis, spondylolisthesis and sports. J Sports Med Phys Fit. 1988; 18:317–40.   3- Fredrickson BE, Baker D, McHolick WJ, Yuan HA, Lubicky JP. The na[...]

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