Comparison of Intravertebral Clefts between Kümmell Disease and Acute Osteoporotic Vertebral Compression Fracture: A Radiological Study

Objective The aim of this study was to compare the radiological features of intravertebral clefts (IVC) between Kümmell disease (KD) and acute osteoporotic vertebral compression fracture (OVCF). Materials and Methods This is a retrospective study. A total of 79 patients with IVC from January 2014 to...

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Main Authors: Zhenzhong Chen, Chao Lou, Weiyang Yu, Dengwei He
Format: Article
Language:English
Published: Wiley 2021-10-01
Series:Orthopaedic Surgery
Subjects:
Online Access:https://doi.org/10.1111/os.13025
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author Zhenzhong Chen
Chao Lou
Weiyang Yu
Dengwei He
author_facet Zhenzhong Chen
Chao Lou
Weiyang Yu
Dengwei He
author_sort Zhenzhong Chen
collection DOAJ
description Objective The aim of this study was to compare the radiological features of intravertebral clefts (IVC) between Kümmell disease (KD) and acute osteoporotic vertebral compression fracture (OVCF). Materials and Methods This is a retrospective study. A total of 79 patients with IVC from January 2014 to December 2018 were included in this study. There were 22 men and 57 women, with an average of 73.5 years. Based on the exact time interval from injury to treatment and the pathological examination results, the patients were divided into KD group (44 patients) and acute OVCF group (35 patients). The two groups were compared by the margin sclerosis of IVC, vertebra and pedicle ossification, stress fracture of the spinous process, paravertebral callus, the shape of IVC, cleft in the adjacent disc, and flatness of IVC's margin from plain radiographs and computed tomography (CT). The two groups were compared by the IVC content, double‐line sign, and signal of fracture vertebral from their magnetic resonance imaging (MRI). Results There were no significant differences in sex, age, and fracture distribution between the KD group and the acute OVCF group. IVC was present in both the KD group and the acute OVCF group. Six radiological features were only present in the KD group, including sclerosis of the cleft margin (95.5%, 42/44), ossification of the fractured vertebrae (100%, 44/44), ossification of the pedicle (31.8%, 14/44), double‐line sign (27.3%, 12/44), stress fracture of the spinous process (13.6%, 6/44), and even formation of paravertebral callus (18.2%, 8/44). Although there were statistical differences in the other four radiological features of content of IVC (P = 0.02), cleft sign in adjacent intervertebral disc (P < 0.01), margin of IVC (P = 0.02), and the shape of IVC (P = 0.01) between the KD group and acute OVCF group, these characteristics could be found in both groups. Conclusion IVC could present in patients with both KD and acute OVCF; however, we found that marginal cleft sclerosis, vertebral and pedicle ossification, double‐line sign, spinous process fracture, and formation of paravertebral callus are unique radiological features of KD and could be used for differentiation of KD from acute OVCF with IVC.
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spelling doaj.art-5a325630764f4148bb618d68619864ac2022-12-21T19:16:14ZengWileyOrthopaedic Surgery1757-78531757-78612021-10-011371979198610.1111/os.13025Comparison of Intravertebral Clefts between Kümmell Disease and Acute Osteoporotic Vertebral Compression Fracture: A Radiological StudyZhenzhong Chen0Chao Lou1Weiyang Yu2Dengwei He3Department of Orthopedics 5th Affiliated Hospital, Lishui Municipal Central Hospital, Wenzhou Medical College Lishui ChinaDepartment of Orthopedics 5th Affiliated Hospital, Lishui Municipal Central Hospital, Wenzhou Medical College Lishui ChinaDepartment of Orthopedics 5th Affiliated Hospital, Lishui Municipal Central Hospital, Wenzhou Medical College Lishui ChinaDepartment of Orthopedics 5th Affiliated Hospital, Lishui Municipal Central Hospital, Wenzhou Medical College Lishui ChinaObjective The aim of this study was to compare the radiological features of intravertebral clefts (IVC) between Kümmell disease (KD) and acute osteoporotic vertebral compression fracture (OVCF). Materials and Methods This is a retrospective study. A total of 79 patients with IVC from January 2014 to December 2018 were included in this study. There were 22 men and 57 women, with an average of 73.5 years. Based on the exact time interval from injury to treatment and the pathological examination results, the patients were divided into KD group (44 patients) and acute OVCF group (35 patients). The two groups were compared by the margin sclerosis of IVC, vertebra and pedicle ossification, stress fracture of the spinous process, paravertebral callus, the shape of IVC, cleft in the adjacent disc, and flatness of IVC's margin from plain radiographs and computed tomography (CT). The two groups were compared by the IVC content, double‐line sign, and signal of fracture vertebral from their magnetic resonance imaging (MRI). Results There were no significant differences in sex, age, and fracture distribution between the KD group and the acute OVCF group. IVC was present in both the KD group and the acute OVCF group. Six radiological features were only present in the KD group, including sclerosis of the cleft margin (95.5%, 42/44), ossification of the fractured vertebrae (100%, 44/44), ossification of the pedicle (31.8%, 14/44), double‐line sign (27.3%, 12/44), stress fracture of the spinous process (13.6%, 6/44), and even formation of paravertebral callus (18.2%, 8/44). Although there were statistical differences in the other four radiological features of content of IVC (P = 0.02), cleft sign in adjacent intervertebral disc (P < 0.01), margin of IVC (P = 0.02), and the shape of IVC (P = 0.01) between the KD group and acute OVCF group, these characteristics could be found in both groups. Conclusion IVC could present in patients with both KD and acute OVCF; however, we found that marginal cleft sclerosis, vertebral and pedicle ossification, double‐line sign, spinous process fracture, and formation of paravertebral callus are unique radiological features of KD and could be used for differentiation of KD from acute OVCF with IVC.https://doi.org/10.1111/os.13025Acute osteoporotic vertebral compression fractureIntravertebral cleftKümmell diseaseRadiological features
spellingShingle Zhenzhong Chen
Chao Lou
Weiyang Yu
Dengwei He
Comparison of Intravertebral Clefts between Kümmell Disease and Acute Osteoporotic Vertebral Compression Fracture: A Radiological Study
Orthopaedic Surgery
Acute osteoporotic vertebral compression fracture
Intravertebral cleft
Kümmell disease
Radiological features
title Comparison of Intravertebral Clefts between Kümmell Disease and Acute Osteoporotic Vertebral Compression Fracture: A Radiological Study
title_full Comparison of Intravertebral Clefts between Kümmell Disease and Acute Osteoporotic Vertebral Compression Fracture: A Radiological Study
title_fullStr Comparison of Intravertebral Clefts between Kümmell Disease and Acute Osteoporotic Vertebral Compression Fracture: A Radiological Study
title_full_unstemmed Comparison of Intravertebral Clefts between Kümmell Disease and Acute Osteoporotic Vertebral Compression Fracture: A Radiological Study
title_short Comparison of Intravertebral Clefts between Kümmell Disease and Acute Osteoporotic Vertebral Compression Fracture: A Radiological Study
title_sort comparison of intravertebral clefts between kummell disease and acute osteoporotic vertebral compression fracture a radiological study
topic Acute osteoporotic vertebral compression fracture
Intravertebral cleft
Kümmell disease
Radiological features
url https://doi.org/10.1111/os.13025
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