Pars interarticularis defect
Citation, DOI, disclosures and case data
Yonso M, Pars interarticularis defect. Case study, Radiopaedia.org (Accessed on 01 Apr 2023) https://doi.org/10.53347/rID-86213
At the time the case was submitted for publication Mohammad Osama Hussein Yonso had no recorded disclosures.View Mohammad Osama Hussein Yonso's current disclosures
5 Feb 2021
8 times, by 4 contributors - see full revision history and disclosures
Qatar Red Crescent
Low back pain, few hours after fall at work, landing on his back. No radiation of pain to thighs, no numbness.
Age: 35 years
From the case: Pars interarticularis defect
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Pars interarticularis defect of the 5th lumbar vertebra.
Mildly decreased disc space height with grade I spondylolisthesis at the L5-S1 level.
Meyerding classification system of spondylolisthesis is: 1
- grade I: 0-25%
- grade II: 26-50%
- grade III: 51-75%
- grade IV: 76-100%
- grade V (spondyloptosis): >100%
- 1. Koslosky E, Gendelberg D. Classification in Brief: The Meyerding Classification System of Spondylolisthesis. (2020) Clinical orthopaedics and related research. 478 (5): 1125-1130. doi:10.1097/CORR.0000000000001153 - Pubmed