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. 2020 Jul 23;56(1):9–17. doi: 10.1055/s-0040-1712490

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Sociedade Brasileira de Ortopedia e Traumatologia. This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commecial purposes, or adapted, remixed, transformed or built upon. ( https://creativecommons.org/licenses/by-nc-nd/4.0/ )

This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives License, which permits unrestricted reproduction and distribution, for non-commercial purposes only; and use and reproduction, but not distribution, of adapted material for non-commercial purposes only, provided the original work is properly cited.

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Fig. 2 — (A) Corte axial de ressonância magnética mostrando estenose de canal com espessamento do ligamento amarelo (1), artrose facetaria com sinovite (2) e protusão discal (3). (B) Corte sagital de tomografia computadorizada mostrando estenose de canal em L1-L2-L3-L4. (C) Foto da cirurgia: descompressão nos três níveis com técnica convencional de laminectomia + ressecção do recesso lateral e foraminotomia bilateral. (D) Corte sagital de ressonância magnética mostrando estenose degenerativa do canal L3-L4 e L4-L5 com espondilolistese degenerativa em L4-L5.