“…The series included patients from China, France, Italy, Korea, Taiwan, Turkey, United Kingdom and United States ( Divani et al., 2018 ; Amoretti et al., 2015 ; Clerk-Lamalice et al., 2018 ; Fu and Li, 2018 ; Xu et al., 2014 ; Yılmaz et al., 2022 ; Yun et al., 2016 ; Cianfoni et al., 2018 ; Do et al., 2020 ; Prestat et al., 2021 ; Wang et al., 2021 ). Relevant investigations included plain radiography and CT ( Fu and Li, 2018 ; Yılmaz et al., 2022 ; Cianfoni et al., 2018 ; Do et al., 2020 ; Prestat et al., 2021 ; Wang et al., 2021 ), MRI and CT SPECT ( Divani et al., 2018 ; Amoretti et al., 2015 ), CT and MRI ( Xu et al., 2014 ) and additional dynamic radiographs ( Fu and Li, 2018 ). The pathology which accompanied the diagnosis of pedicle screw loosening was proximal junctional failure (PJF) with a long construct ( Divani et al., 2018 ; Clerk-Lamalice et al., 2018 ; Yun et al., 2016 ; Do et al., 2020 ), instrumented fusion for trauma ( Amoretti et al., 2015 ; Prestat et al., 2021 ), degenerative ( Fu and Li, 2018 ; Yılmaz et al., 2022 ), tumor ( Xu et al., 2014 ) or a combination ( Cianfoni et al., 2018 ).…”