Vacuum phenomena in insufficiency fractures of the sacrum

Stäbler, Axel; Beck, R.; Bartl, Reiner; Schmidt, D; Reiser, Maximilian

doi:10.1007/bf02425944

Cited by 39 publications

(10 citation statements)

References 25 publications

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“…[6][7][8] However, VP was not found to be significantly associated with trauma or sacral insufficiency fractures. In our study, there was no patient who underwent AP CT for post-trauma evaluation.…”

Section: Discussionmentioning

confidence: 85%

Analysis of the sacroiliac joint vacuum phenomenon in paediatric patients

You

Lee

Kim

et al. 2016

BJR

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Objective: To assess the incidence of the sacroiliac joint vacuum phenomenon (SIJ VP) in paediatric patients and the relationship between the presence of VP and clinical factors such as age, sex and body mass index (BMI). Methods: We retrospectively reviewed clinical data and imaging findings of 60 patients who underwent abdominopelvic CT (AP CT) between January and June 2015. Patients were divided into VP group and non-VP group based on the presence/absence of VP, and the groups were compared. In addition, other degenerative changes in the SIJ were recorded. Results: The SIJ VP was detected in 19 (31.6%) patients. There were no significant differences in sex distribution between VP and non-VP groups (p 5 0.781). The age of the VP group was significantly higher than that of the non-VP group (p , 0.001). After adjusting the BMI for age, there was no significant association between high BMI and the presence of SIJ VP (p 5 0.326). Other degenerative changes were not noted in any of the patients. Conclusion: The SIJ VP is not an uncommon finding in paediatric patients. The prevalence of SIJ VP in paediatric patients is similar to its prevalence in adults. The SIJ VP is related to patient age, but not to sex or BMI in children and young adolescents. Advances in knowledge: AP CT can provide information about the SIJ, if it is required to assess the SIJ in paediatric patients. INTRODUCTIONThe sacroiliac joint vacuum phenomenon (SIJ VP) is not an uncommon finding in adults.1-3 When radiologists face abdominopelvic CT (AP CT), little attention is paid to the SIJ. However, AP CT can provide information about the SIJ, if we attempt to observe the SIJ.1-3 The SIJ VP has been reported in approximately 31-34% of adults. 1,4 In addition, it is observed more frequently in females and in patients older than 60 years.1 Moreover, it is considered an age-related morphological variant, and obesity is believed to affect such degenerative changes in the SIJ. 4 To our knowledge, there has been no report on the SIJ VP among only paediatric patients, and data are lacking on its prevalence and clinical significance in this group. Based on our experience of reviewing AP CT images, we recognized that the SIJ VP is not unusual among paediatric patients as well. We hypothesized that the prevalence of SIJ VP among paediatric patients is similar to that among adults. The present study aimed to investigate the radiological findings of the SIJ using AP CT images and assess the incidence of the SIJ VP among paediatric patients. Furthermore, the

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Section: Discussionmentioning

confidence: 85%

Analysis of the sacroiliac joint vacuum phenomenon in paediatric patients

You

Lee

Kim

et al. 2016

BJR

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“…The presence of gas on CT images is called the 'vacuum phenomenon'. 39 The gas was located in the ventral part of the fractures or in the adjacent sacro-iliac joints. It is an important sign for differentiating between neoplasm and fracture; the 'vacuum phenomenon' is generally not found in patients with metastatic sacral disease.…”

Section: Discussionmentioning

confidence: 99%

Sacral Insufficiency Fractures

Schindler¹,

Watura

Cobby

2007

J Orthop Surg (Hong Kong)

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“…Additional risk factors include Paget's disease, hyperparathyroidism, scurvy, osteomalacia, renal osteodystrophy, Tarlov cysts, joint arthroplasty, and lumbar sclerosis. [20][21][22] The National Osteoporosis Foundation 23 has categorized risk factors for osteoporosis into nonmodifiable and potentially modifiable risk factors. Nonmodifiable risk factors include personal history of fracture as an adult, history of fracture in a first-degree relative, Caucasian race, advanced age, female sex, dementia, and poor health/frailty.…”

Section: Discussionmentioning

confidence: 99%

Sacral Insufficiency Fractures: A Report of Two Cases and a Review of the Literature

Lin

Lachmann

Nagler

2001

Journal of Women's Health & Gender-Based Medicine

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Sacral insufficiency fractures (SIF) are a type of stress fracture that occur primarily in postmenopausal women. They were first described in 1982 by Lourie and have since been frequently overlooked as a cause of low back, buttock, or groin pain. We present two cases of SIF to demonstrate the clinical presentation, diagnosis, and treatment of patients with SIF. Both patients were elderly women with complaints of pelvic and low back pain in the absence of significant trauma. Physical examination was significant for marked sacral tenderness. Diagnostic imaging supported the diagnosis of SIF. Both patients underwent early rehabilitation, including early ambulation, and had good functional outcomes. These patients serve to illustrate how conservative treatment yields excellent clinical results in the majority of patients, with most reporting improvement within 1-2 weeks after fracture and complete resolution of symptoms after 6-12 months of treatment.

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Vacuum phenomena in insufficiency fractures of the sacrum

Cited by 39 publications

References 25 publications

Analysis of the sacroiliac joint vacuum phenomenon in paediatric patients

Analysis of the sacroiliac joint vacuum phenomenon in paediatric patients

Sacral Insufficiency Fractures

Sacral Insufficiency Fractures: A Report of Two Cases and a Review of the Literature

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