Acetabular Ossicles: Epidemiology and Correlation With Femoroacetabular Impingement

Djaja, Yoshi Pratama; Kim, Sujin; Lee, Guen Young; Ha, Yong‐Chan

doi:10.1016/j.arthro.2019.11.123

Cited by 13 publications

(16 citation statements)

References 24 publications

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“…In this study, we used MIMICS software to measure the volume of irregular calcifications for more accurate results and found average calcification size was 118.0 mm 3 (range, 19.4–609.2 mm 3 ). The Djaja study screened abdominal and pelvic CT in outpatients and found that in patients with asymptomatic calcification, the average calcification size was 44.1 ± 43.0 mm 3 17 . Thus, average calcification size of the patients in this study was significantly larger than that of the asymptomatic group.…”

Section: Discussionmentioning

confidence: 59%

“…Perets' review from 2018 of 1447 cases of hip arthroscopy over 6 years revealed 18 cases of labrum calcification, for an incidence rate of 1.2% 16 . Djaja reported three cases of labrum calcification in a review of 289 cases of hip arthroscopy surgery in 2019 and an incidence rate of 1.04%; among 11,368 abdominal CT scans examined, 219 patients had calcification of the hip labrum, with an incidence rate of 1.93% 17,18 . Hubert and Hawellek (2018) reported that the labrum calcification rate of elderly patients with hip osteoarthritis is 100% 18,19 .…”

Section: Incidence Of Labrum Calcificationmentioning

confidence: 99%

“…The specific etiology of the disease is not yet clear. Some scholars believe that transient damage or micro‐damage caused by repeated activities leads to local tissue cell damage, ischemia and hypoxia, tissue intracellular metabolic disorders, apoptosis, necrosis, and gradual calcium salt deposits 15–17 . Hip labrum calcification disease is a degenerative change of the hip joint with abnormal calcified crystalline deposition of the hip labrum or the formation of osteophytes 18,19 and is often manifested as hip pain and limited mobility or with no specific clinical manifestations, making missed diagnoses and misdiagnosis likely 15,16 .…”

Section: Introductionmentioning

confidence: 99%

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Clinical Outcomes of Hip Arthroscopy for Hip Labrum Calcification in Young and Middle‐Aged Patients

Zhang

Gao³

et al. 2021

Orthopaedic Surgery

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Objective: To investigate the methods and outcomes of hip arthroscopy for hip labrum calcification, and to discuss the clinical, imaging, and intraoperative findings of hip labrum calcification.Methods: This is a therapeutic case series study. From January 2015 to June 2018, 15 patients who met the inclusion and exclusion criteria were followed up for at least 2 years for an analysis on the outcomes of arthroscopy in the treatment of hip labrum calcification and the clinical, imaging, and intraoperative findings of the patients. There were eight males and seven females, with an average age of 38.9 ± 8.8 years (range, 23-50 years). The visual analog scale (VAS), the modified Harris hip score (mHSS), and the international hip outcome tool (iHOT-12) were used to evaluate the outcomes of surgery.Results: A total of 15 patients were followed up for at least 2 years (28.1 ± 2.9 months). The average calcified volume was 118.0 mm 3 (range, 19.4-609.2 mm 3 ) and calcified volume was related to the preoperative hip function score. Thirteen patients had pain in the groin area (86.7%). Labrum calcifications were located (according to the clock distribution) as follows: 14 patients were anterior and superior (11:00-3:00); 12 cases of femoroacetabular impingement (FAI) were observed during operation, including five cases of pincer type, two cases of cam type, and five cases of mixed type. VAS pain score means were 7.73 ± 1.28 before surgery, decreasing to 2.0 ± 0.89 and 1.73 ± 0.79 at 1 and 2 years post-surgery, respectively. mHSS scores were 57.40 ± 6.23 before surgery and 82.10 ± 4.76 and 83.18 ± 4.07, 1 and 2 years post-surgery, respectively; iHOT-12 mean score pre-surgery was 37.67 ± 4.85, increasing to 67.64 ± 5.30 and 72.18 ± 4.49, 1 and 2 years post-surgery, respectively. Compared with preoperative values, postoperative VAS, mHSS, and iHOT-12 scores were significantly improved (P < 0.01); iHOT-12 scores also significantly decreased from 1 to 2 years postoperatively (P = 0.034). No patient had complications. Conclusion:Hip arthroscopy is an effective method for the treatment of hip labrum calcification. The size of calcification influenced preoperative symptoms and function. Long-term irritation from FAI may be one important cause of labrum calcification.

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Section: Discussionmentioning

confidence: 59%

Section: Incidence Of Labrum Calcificationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Clinical Outcomes of Hip Arthroscopy for Hip Labrum Calcification in Young and Middle‐Aged Patients

Zhang

Gao³

et al. 2021

Orthopaedic Surgery

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“…Several authors have studied small labrums, and it is often a topic at hip arthroscopy meetings. 2,3 It is possible that it got overlooked because of other pathologies that affect this anterosuperior region: cam impingement creates chondrolabral damage, pincer impingement causes intrasubstance damage the labrum, os acetabulae are encountered, 4 calcium deposits are found and eradicated, 5,6 and subspine impingement is said to occur here. 7 Subspine impingement and the bone involvement of this hypoplastic variant should not be overlooked.…”

Section: See Related Article On Page 72mentioning

confidence: 99%

Editorial Commentary: The Everted Acetabular Labrum. It Is Not Just a Small Labrum

Jackson¹

2022

Arthroscopy: The Journal of Arthroscopic & Related Surgery

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Everted, hypoplastic acetabular labra represent a variant of acetabular rim development. It is important to be able to recognize this pathology on magnetic resonance imaging and at the time of hip arthroscopy. Proper intraoperative identification of this variant that does not make contact with the femoral head is critical to being able to successfully restore this contact, often through labral advancement, acetabuloplasty of the abnormal rim development, and occasionally labral augmentation. A broad awareness among hip arthroscopy surgeons of this topic will lead to improved clinical outcomes after hip arthroscopy for a challenging cohort.

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“…A pproximately 8% of patients undergoing a hip arthroscopy for femoroacetabular impingement (FAI) have an os acetabuli. 1,2 The os aceatbuli is commonly associated with large cam lesions in FAI. The terms "os acetabuli" and "acetabular rim fracture" have often been used interchangeably in the literature.…”

Section: Introductionmentioning

confidence: 99%

Arthroscopic Technique for Reduction and Fixation of an Acetabular Rim Fracture

Essilfie

Lowe

Youm

2022

Arthroscopy Techniques

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Acetabular rim fractures can accompany patients with femoroacetabular impingement. Frequently, the acetabular rim fracture is excised. However, if the osseous fragment of the acetabular rim fracture is large enough to result in instability, then the acetabular rim fracture should be reduced and secured with internal fixation. The purpose of this technical note was to describe the arthroscopic technique of internal fixation of an acetabular rim fracture.

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Acetabular Ossicles: Epidemiology and Correlation With Femoroacetabular Impingement

Cited by 13 publications

References 24 publications

Clinical Outcomes of Hip Arthroscopy for Hip Labrum Calcification in Young and Middle‐Aged Patients

Clinical Outcomes of Hip Arthroscopy for Hip Labrum Calcification in Young and Middle‐Aged Patients

Editorial Commentary: The Everted Acetabular Labrum. It Is Not Just a Small Labrum

Arthroscopic Technique for Reduction and Fixation of an Acetabular Rim Fracture

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