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Scheider P, Farr S. Outcomes and complications of surgical treatment modalities for simple bone cysts of the humerus in children and adolescents. INTERNATIONAL ORTHOPAEDICS 2024; 48:1619-1626. [PMID: 38570348 DOI: 10.1007/s00264-024-06158-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Accepted: 03/19/2024] [Indexed: 04/05/2024]
Abstract
PURPOSE The aim of this study was to evaluate and compare different surgical treatment modalities for simple bone cysts (SBC) of the humerus regarding their effectiveness and recurrence rate. METHODS In this retrospective study, patients who received surgical treatment for previously untreated primary SBCs of the humerus were analyzed. Demographic data, cyst-specific as well as treatment-specific parameters, complications, treatment failures, and recurrence rates were collected and correlated with different treatment modalities. Observed procedures were categorized as open procedure (n=20) or osteosynthesis alone (n=3). For the open procedure group, four subgroups could be defined. RESULTS Twenty-three patients were included. The mean age at diagnosis was 11.6 ± 2.5 years, and the mean postoperative follow-up was 3.9 ± 2.6 years (range 1.0-10.3). After surgical intervention, a total of five (21.7%) patients showed at least one recurrence. Fracture occurred in three (13.0%) cases. The incidence of treatment failure was significantly higher in the curettage, allograft, adjuvants group, with five (83.3%) of six cases showing recurrence, than in the other subgroups (≤ 25.0%) including the osteosynthesis alone group (p=.024). For the open procedure group, the failure-free survival rates were 80.0% after two years and 50.4% after five years. For the three cases treated by osteosynthesis alone, no failures were observed. CONCLUSION Open procedures showed similar failure rates except for the subgroup using curettage, allograft, and adjuvants which showed significantly higher treatment failure. Promising results were observed in the group which received solely osteosynthesis without cyst excision or filling, as no treatment failure was observed here.
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Affiliation(s)
- Philipp Scheider
- Department of Pediatric Orthopaedics and Foot and Ankle Surgery, Orthopaedic Hospital Speising, Speisingerstraße 109, 1130, Vienna, Austria.
| | - Sebastian Farr
- Department of Pediatric Orthopaedics and Foot and Ankle Surgery, Orthopaedic Hospital Speising, Speisingerstraße 109, 1130, Vienna, Austria
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Maximen J, Jeantet RE, Violas P. Surgical management of proximal femoral unicameral bone cyst in children. Bone Joint J 2024; 106-B:508-514. [PMID: 38688504 DOI: 10.1302/0301-620x.106b5.bjj-2023-0577.r4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/02/2024]
Abstract
Aims The aim of this study is to evaluate the surgical treatment with the best healing rate for patients with proximal femoral unicameral bone cysts (UBCs) after initial surgery, and to determine which procedure has the lowest adverse event burden during follow-up. Methods This multicentre retrospective study was conducted in 20 tertiary paediatric hospitals in France, Belgium, and Switzerland, and included patients aged < 16 years admitted for UBC treatment in the proximal femur from January 1995 to December 2017. UBCs were divided into seven groups based on the index treatment, which included elastic stable intramedullary nail (ESIN) insertion with or without percutaneous injection or grafting, percutaneous injection alone, curettage and grafting alone, and insertion of other orthopaedic hardware with or without curettage. Results A total of 201 patients were included in the study. The mean age at diagnosis was 8.7 years (SD 3.9); 77% (n = 156) were male. The mean follow-up was 9.4 years (SD 3.9). ESIN insertion without complementary procedure had a 67% UBC healing rate after the first operation (vs 30% with percutaneous injection alone (p = 0.027), 43% with curettage and grafting (p = 0.064), and 21% with insertion of other hardware combined with curettage (p < 0.001) or 36% alone (p = 0.014)). ESIN insertion with percutaneous injection presented a 79% healing rate, higher than percutaneous injection alone (p = 0.017), curettage and grafting (p = 0.028), and insertion of other hardware combined with curettage (p < 0.001) or alone (p = 0.014). Patients who underwent ESIN insertion with curettage had a 53% healing rate, higher than insertion of other hardware combined with curettage (p = 0.009). The overall rate of postoperative complications was 25% and did not differ between groups (p = 0.228). A total of 32 limb length discrepancies were identified. Conclusion ESIN insertion, either alone or combined with percutaneous injection or curettage and grafting, may offer higher healing rates than other operative procedures. Limb length discrepancy remains a major concern, and might be partly explained by the cyst's location and the consequence of surgery. Therefore, providing information about this risk is crucial.
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Affiliation(s)
- Julien Maximen
- Department of Pediatric Orthopedic Surgery, Rennes University Hospital, Rennes, France
| | | | - Philippe Violas
- Department of Pediatric Orthopedic Surgery, Rennes University Hospital, Rennes, France
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van Geloven TPG, van der Heijden L, Laitinen MK, Campanacci DA, Döring K, Dammerer D, Badr IT, Haara M, Beltrami G, Hobusch GM, Kraus T, Scheider P, Soto-Montoya C, Umer M, Saeed J, Funovics PT, Fiocco M, van de Sande MAJ, de Witte PB. As simple as it sounds? The treatment of simple bone cysts in the proximal femur in children and adolescents: Retrospective multicenter EPOS study of 74 patients. J Child Orthop 2024; 18:85-95. [PMID: 38348433 PMCID: PMC10859114 DOI: 10.1177/18632521231221553] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Accepted: 12/03/2023] [Indexed: 02/15/2024] Open
Abstract
Purpose Simple bone cysts are among the most prevalent benign cystic tumor-like lesions in children. Proximal femoral simple bone cysts may require specific treatment because of increased fracture risk. With limited literature available on this specific localization, consensus regarding optimal treatment is lacking. We present a large international multicenter retrospective cohort study on proximal femoral simple bone cysts. Methods All consecutive pediatric patients with proximal femoral simple bone cyst from 10 tertiary referral centers for musculoskeletal oncology were included (2000-2021). Demographics, primary treatment, complications, and re-operations were evaluated. Primary outcomes were time until full weight-bearing and failure-free survival. Results Overall, 74 simple bone cyst patients were included (median age 9 years (range = 2-16), 56 (76%) male). Median follow-up was 2.9 years (range = 0.5-21). Index procedure was watchful waiting (n = 6), percutaneous procedure (n = 12), open procedure (n = 50), or osteosynthesis alone (n = 6). Median time until full weight-bearing was 8 weeks (95% confidence interval = 0.1-15.9) for watchful waiting, 9.5 (95% confidence interval = 3.7-15.3) for percutaneous procedure, 11 (95% confidence interval = -0.7 to 13.7) for open procedure, and 6.5 (95% confidence interval = 5.9-16.1) for osteosynthesis alone (p = 0.58). Failure rates were 33%, 58%, 29%, and 0%, respectively (p = 0.069). Overall failure-free survival at 1, 2, and 5 years was 77.8% (95% confidence interval = 68.2-87.4), 69.5% (95% confidence interval = 58.5-80.5), and 62.0% (95% confidence interval = 47.9-76.1), respectively. Conclusion A preferred treatment for proximal femoral simple bone cysts remains unclear, with comparable failure rates and times until full weight-bearing. Watchful waiting may be successful in certain cases. If not feasible, osteosynthesis alone can be considered. Treatment goals should be cyst control, minimizing complications and swift return to normal activities. Therefore, an individualized balance should be made between undertreatment, with potentially higher complication risks versus overtreatment, resulting in possible larger interventions and accompanying complications. Level of evidence Level IV, retrospective multicentre study.
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Affiliation(s)
- Thomas PG van Geloven
- Department of Orthopedic Surgery, Leiden University Medical Center, Leiden, The Netherlands
| | - Lizz van der Heijden
- Department of Orthopedic Surgery, Leiden University Medical Center, Leiden, The Netherlands
| | - Minna K Laitinen
- Bone Tumor Unit, Orthopedics and Traumatology, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Domenico A Campanacci
- Orthopedic Oncology and Reconstructive Surgery, Azienda Ospedaliero Universitaria Careggi, Florence, Italy
| | - Kevin Döring
- Division of Orthopedics, Department of Orthopedics and Trauma Surgery, Medical University of Vienna, Vienna, Austria
| | - Dietmar Dammerer
- Department of Orthopaedics and Traumatology, University Hospital of Krems, Krems, Austria
| | - Ismail T Badr
- Orthopedic Surgery, Menoufia University, Shebin El-Kom, Egypt
| | - Mikko Haara
- Pediatric Surgery and Orthopedics, New Children’s Hospital Helsinki, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Giovanni Beltrami
- Pediatric Orthopedics, Azienda Ospedaliero Universitaria Meyer, Florence, Italy
| | - Gerhard M Hobusch
- Division of Orthopedics, Department of Orthopedics and Trauma Surgery, Medical University of Vienna, Vienna, Austria
| | - Tanja Kraus
- Pediatric Orthopedic Unit, Orthopedics and Traumatology, University of Graz, Graz, Austria
| | - Philipp Scheider
- Trauma Surgery, University Clinic of Orthopaedics and Trauma Surgery, Medical University of Vienna, Vienna, Austria
| | | | - Masood Umer
- Orthopedic Surgery, The Aga Khan University Hospital, Karachi, Pakistan
| | - Javeria Saeed
- Orthopedic Surgery, The Aga Khan University Hospital, Karachi, Pakistan
| | - Phillipp T Funovics
- Division of Orthopedics, Department of Orthopedics and Trauma Surgery, Medical University of Vienna, Vienna, Austria
| | - Marta Fiocco
- Medical Statistics Section, Department of Biomedical Data Science, Leiden University Medical Center, Leiden, The Netherlands
- Mathematical Institute, Leiden University, Leiden, The Netherlands
| | | | - Pieter Bas de Witte
- Department of Orthopedic Surgery, Leiden University Medical Center, Leiden, The Netherlands
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Ruiz-Arellanos K, Larios F, Inchaustegui ML, Gonzalez MR, Pretell-Mazzini J. Treatment and Outcomes of 4,973 Unicameral Bone Cysts: A Systematic Review and Meta-Analysis. JBJS Rev 2024; 12:01874474-202401000-00002. [PMID: 38181108 DOI: 10.2106/jbjs.rvw.23.00159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2024]
Abstract
» Unicameral bone cysts (UBCs) can increase the risk of pathologic fractures of both long and short bones. Although multiple treatments exist, data are conflicting regarding optimal management. » We sought to analyze treatment strategies for UBCs and their rates of successful treatment. » Success rates were analyzed according to treatment modality, with emphasis on filling techniques and/or decompression associated with curettage, and injection compounds. » Curettage with bone substitute and cyst decompression was identified as a highly successful technique for UBC treatment. » Decompressing the cyst wall after injection, regardless of the specific compound used, had a greater potential to enhance healing rates. » The management decision should be individually guided within the patient's context.
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Affiliation(s)
| | - Felipe Larios
- Facultad de Medicina Universidad Peruana Cayetano Heredia, Lima, Perú
| | | | - Marcos R Gonzalez
- Division of Orthopaedic Oncology, Department of Orthopaedic Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts
| | - Juan Pretell-Mazzini
- Miami Cancer Institute, Division of Orthopedic Oncology, Baptist Health System South Florida, Plantation, Florida
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Unicameral Bone Cysts: Review of Etiopathogenesis and Current Concepts in Diagnosis and Management. Indian J Orthop 2022; 56:741-751. [PMID: 35547341 PMCID: PMC9043174 DOI: 10.1007/s43465-022-00607-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Accepted: 01/26/2022] [Indexed: 02/04/2023]
Abstract
Objective This article aims to review the epidemiology, etio-pathogenesis and updates in clinical diagnostics and management of unicameral bone cysts (UBC). Methods A computerized literature search using Cochrane database of systematic reviews, EMBASE and PubMed was performed. MeSH (Medical Subject Headings) terms used in searches included the following sub-headings: "unicameral bone cyst", "epidemiology", "etiology", "pathogenesis", "diagnosis", "management" and "surgery". Studies were analyzed based on clinical relevance for the practicing orthopedic surgeon. Results UBC accounts for 3% of all bone tumors and is asymptomatic in most cases. Nearly 85% of cases occur in children and adolescents, with more than 90% involving the proximal humerus and proximal femur. Despite multiple theories proposed, the exact etiology is still unclear. Diagnosis is straightforward, with radiographs and MRI aiding in it. While non-surgical treatment is recommended in most cases, in those warranting surgery, combined minimal-invasive techniques involving decompression of cyst and stabilization have gained importance in recent times. Conclusion There is variation in the diagnosis and treatment of UBCs among surgeons. Due to the vast heterogeneity of reported studies, no one method is the ideal standard of care. As most UBCs tend to resolve by skeletal maturity, clinicians need to balance the likelihood of successful treatment with morbidity associated with procedures and the risks of developing a pathological fracture. Study Design Review Article.
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Deventer N, Deventer N, Gosheger G, de Vaal M, Budny T, Luebben T, Frommer A, Vogt B. Evaluation of different treatment modalities for fractured and non-fractured simple bone cyst: A single-center review of 68 patients. Medicine (Baltimore) 2021; 100:e26703. [PMID: 34397806 PMCID: PMC8341315 DOI: 10.1097/md.0000000000026703] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Accepted: 07/07/2021] [Indexed: 12/04/2022] Open
Abstract
Simple bone cysts (SBCs) occur most frequently in the proximal aspect of the humerus and femur in growing age and are associated with intercurrent pathological fractures in up to 87%. Therapeutic management of SBCs remains controversial. The aim of this study was to examine the outcome of conservative and various surgical treatment modalities considering the specific anatomic location and integrity of the SBC.In this retrospective study, we analyzed 68 cases of SBCs who underwent a conservative or surgical treatment between 2009 and 2020 with a mean follow-up of 30.1 months. The epidemiological characteristics, complications, clinical, and radiographic outcome after conservative or surgical treatment were assessed.The study includes 50 male (73.5%) and 18 female (26.5%) patients with a mean age of 9.1 years. The most common locations were the proximal humerus (69.2%, n = 47) and femur (16.2%, n = 11). In 43 cases (63.2%; upper limb n = 40, lower limb n = 3) a pathological fracture occurred. Fifty patients (73.5%; upper limb n = 40, lower limb n = 10) underwent a conservative treatment. In 11 cases (16.2.1%; upper limb n = 4, lower limb n = 7) an intralesional curettage and defect reconstruction with bone substitute without stabilization were performed. Five patients (7.3%; upper limb n = 4, lower limb n = 1) received an osteosynthesis, in two cases (2.9%; upper limb 1; lower limb 1) combined with an intralesional curettage and defect reconstruction with bone substitute. All 32 pathological fractures treated conservatively (upper limb n = 31, lower limb n = 1) healed within 6 weeks; 17/43 patients (39.5%) suffered at least one second fracture. After intralesional curettage and defect reconstruction with bone substitute local recurrence was observed in 5/13 cases (38.5%). Spontaneous consolidation, at least partially, was observed in three cases (4.4%) following conservative treatment after fracture. No relevant secondary angular or torsional deformity was observed after treatment.The majority of SBCs can be treated conservatively, especially in the upper extremity. However, if a fracture is completely dislocated, joint affecting, unstable or open, surgical treatment is necessary. Load-dependent pain or the inability to mobilize timely after fracture can necessitate surgical treatment in SBCs affecting the lower extremity. Spontaneous resolution, especially after fracture, can be seen in rare cases.
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Affiliation(s)
- Niklas Deventer
- Department of Orthopaedics and Tumor Orthopaedics, University Hospital Muenster, Muenster, Germany
| | - Nils Deventer
- Department of Orthopaedics and Tumor Orthopaedics, University Hospital Muenster, Muenster, Germany
| | - Georg Gosheger
- Department of Orthopaedics and Tumor Orthopaedics, University Hospital Muenster, Muenster, Germany
| | - Marieke de Vaal
- Department of Orthopaedics and Tumor Orthopaedics, University Hospital Muenster, Muenster, Germany
| | - Tymoteusz Budny
- Department of Orthopaedics and Tumor Orthopaedics, University Hospital Muenster, Muenster, Germany
| | - Timo Luebben
- Department of Orthopaedics and Tumor Orthopaedics, University Hospital Muenster, Muenster, Germany
| | - Adrien Frommer
- Department of Pediatric Orthopaedics, Deformity Reconstruction and Foot Surgery, University Hospital Muenster, Muenster, Germany
| | - Bjoern Vogt
- Department of Pediatric Orthopaedics, Deformity Reconstruction and Foot Surgery, University Hospital Muenster, Muenster, Germany
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Deventer N, Deventer N, Gosheger G, de Vaal M, Vogt B, Budny T. Current strategies for the treatment of solitary and aneurysmal bone cysts: A review of the literature. J Bone Oncol 2021; 30:100384. [PMID: 34367902 PMCID: PMC8326748 DOI: 10.1016/j.jbo.2021.100384] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2021] [Revised: 07/05/2021] [Accepted: 07/12/2021] [Indexed: 02/09/2023] Open
Abstract
SBCs can mostly be treated conservatively. In ABCs a biopsy is compulsory. ABCs can be treated by polidocanol instillations adequately.
This review of the literature aims to compare the etiology, the pathogenesis, the clinical diagnostics and the relevant treatment options of two different types of cystic bone lesions: the solitary bone cyst (SBC) and the aneurysmal bone cyst (ABC). Whereas the clinical symptoms and the radiographic appearance can be similar, the diagnostic pathway and the treatment options are clearly different. The solitary bone cyst (SBC) represents a tumor-like bone lesion, occurring most frequently in the humerus and femur in children and adolescents. Pain caused by intercurrent pathological fractures is often the first symptom, and up to 87% of the cysts are associated with pathological fractures. In the majority of cases SBCs can be treated conservatively, especially in the upper extremity. However, if a fracture is completely dislocated, joint affecting, unstable or open, surgical treatment is necessary. Pain under weight bearing or regaining the ability to mobilize after fracture timely can necessitate surgical treatment in SBCs affecting the lower extremity. Spontaneous resolution can be seen in rare cases. The aneurysmal bone cyst (ABC) is a benign, locally aggressive tumor that occurs in childhood and early adulthood. It usually affects the metaphysis of long bones but can also occur in the spine or the pelvis. ABC can be primary but also secondary to other bone pathologies. The diagnosis has to be confirmed by biopsy and histopathological examinations. With cytogenetic studies and the detection of specific translocations of the ubiquitin-specific protease (USP) 6 gene primary ABCs can be differentiated from secondary ABCs and other bone lesions. Among various modalities of treatment i.e. en bloc resection, intralesional curettage with adjuvants, embolization or the systemic application of denosumab, intralesional sclerotherapy using polidocanol is an effective and minimally invasive treatment of primary ABCs.
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Affiliation(s)
- Niklas Deventer
- Department of Orthopedics and Tumororthopedics, University Hospital Munster, Albert-Schweitzer-Campus 1, 48149 Muenster, Germany
| | - Nils Deventer
- Department of Orthopedics and Tumororthopedics, University Hospital Munster, Albert-Schweitzer-Campus 1, 48149 Muenster, Germany
| | - Georg Gosheger
- Department of Orthopedics and Tumororthopedics, University Hospital Munster, Albert-Schweitzer-Campus 1, 48149 Muenster, Germany
| | - Marieke de Vaal
- Department of Orthopedics and Tumororthopedics, University Hospital Munster, Albert-Schweitzer-Campus 1, 48149 Muenster, Germany
| | - Bjoern Vogt
- Department of Pediatric Orthopaedics, Deformity Reconstruction and Foot Surgery, University Hospital Muenster, Albert-Schweitzer-Campus 1, 48149 Muenster, Germany
| | - Tymoteusz Budny
- Department of Orthopedics and Tumororthopedics, University Hospital Munster, Albert-Schweitzer-Campus 1, 48149 Muenster, Germany
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D'Amato RD, Memeo A, Fusini F, Panuccio E, Peretti G. Treatment of simple bone cyst with bone marrow concentrate and equine-derived demineralized bone matrix injection versus methylprednisolone acetate injections: A retrospective comparative study. ACTA ORTHOPAEDICA ET TRAUMATOLOGICA TURCICA 2020; 54:49-58. [PMID: 32175897 DOI: 10.5152/j.aott.2020.01.371] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
OBJECTIVE The aim of this study was to compare the outcome of intra-lesional autologous bone marrow concentrate (BMC) and equine derived demineralized bone matrix (EDDBM) injections with methylprednisolone acetate injections in patients with simple bone cyst. METHODS Clinical records and radiographs of 53 consecutive patients (37 females,and 16 males; mean age: 10.6±1.53 years) treated between 2006 and 2016 were retrospectively reviewed. Healing was assessed by an independent radiologist according to Neer scoring system. Functional outcome was assessed with the Activity Scale for Kids (ASK). Thirty-four cysts were in the humerus, 13 in the femur and 6 in other locations. Twenty-nine patients were included in Steroid Group and treated with 3 cycles of injections of methylprednisolone acetate, while 24 patients were treated with injection of autologous bone marrow concentrate and equine derived demineralized bone matrix (BMC+ EDDBM Group). The two groups were homogenous for the mean age, sex distribution, cysts location and their clinical presentation. RESULTS At a minimum follow-up of 24 months, success rate (Neer/Cole score 3 and 4) was higher in EDDBM+BMC group (83.3% vs 58.6%; p=0.047). Female patients had higher healing rates in both groups (p=0.002). No association was found between healing and age (p=0.839), cyst activity (p=0.599), cyst localization (p=0.099) and clinical presentation (p=0.207). BMC+EDDBM group showed higher ASK score (p=0.0007). CONCLUSION Treatment with BMC+EDDBM injections may provide better results with a single procedure than 3 methylprednisolone acetate injections and represent an interesting alternative for the treatment of unicameral bone cysts. LEVEL OF EVIDENCE Level III, Therapeutic Study.
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Affiliation(s)
- Raffaele Dario D'Amato
- Department of Paediatric Orthopaedics and Traumatology, Centro Specialistico Ortopedico Traumatologico Gaetano Pini-CTO, Milano, Italy
| | - Antonio Memeo
- Department of Paediatric Orthopaedics and Traumatology, Centro Specialistico Ortopedico Traumatologico Gaetano Pini-CTO, Milano, Italy
| | - Federico Fusini
- Department of Orthopaedics and Traumatology, Azienda Ospedaliero Universitaria Città della Salute e della Scienza, Torino, Italy
| | - Elena Panuccio
- Department of Paediatric Orthopaedics and Traumatology, Centro Specialistico Ortopedico Traumatologico Gaetano Pini-CTO, Milano, Italy
| | - Giuseppe Peretti
- Department of Biomedical Sciences for Health, IRCCS Istituto Ortopedico Galeazzi, Milano, Italy
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Abstract
AIMS Our study aims to review the outcomes of conservative and interventional management of simple bone cysts (SBC) in the humerus. METHODS We retrospectively reviewed our center's prospectively collected database. All patients with a diagnosis of a humeral SBC and a minimum of 1-year follow-up or complete healing and discharge within the first year were included. Cyst radiographic measurements were collected for all patients with available radiographs. A successful outcome included fully or partially healed cysts with persistent and recurrent cysts marked as unsuccessful. RESULTS In total, 91 patients were included in the study. Within the observational group, 44 patients (95.7%) achieved a successful outcome versus 38 patients (84.4%) in the interventional group. The 15/61 (25%) patients who were treated with observation at presentation required intervention at a later stage. The 9/30 (30%) of patients who had intervention at presentation required further additional intervention. Seven patients (11%) presenting with a fracture through a SBC went on to complete consolidation of the cystic lesion following the injury at a mean of 92.9 days (maximum, 176 d). CONCLUSIONS We observed similar outcomes with conservative and interventional management in our retrospective series. We recommend observational management when a radiologic diagnosis is possible with intervention reserved for cases of diagnostic uncertainty and intrusive symptoms. LEVEL OF EVIDENCE Level III-a retrospective case comparison study.
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Zhang K, Wang Z, Zhang Z. Comparison of curettage and bone grafting combined with elastic intramedullary nailing vs curettage and bone grafting in the treatment of long bone cysts in children. Medicine (Baltimore) 2019; 98:e16152. [PMID: 31232970 PMCID: PMC6636955 DOI: 10.1097/md.0000000000016152] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
Abstract
To compare the efficacy of curettage and bone grafting combined with elastic intramedullary nailing (EIN) vs curettage and bone grafting in the treatment of long bone cysts in children and to clarify the necessity of using EIN in the treatment of bone cysts.Sixty-two patients were involved in this study from Jan. 2009 to Sept. 2017 (43 males, 19 females; 27 humeri, 35 femurs); the patients were assigned to an EIN group, comprising 30 patients who underwent curettage and bone grafting combined with EIN, or to a non-elastic intramedullary nailing (NEIN) group, comprising 32 patients who underwent curettage and bone grafting alone. The prognosis of the 2 groups was assessed with reference to the standard of Capanna.No statistically significant differences in sex, age, location, activity, pathological fracture, cyst volume, operative time and intraoperative blood loss were found between the 2 groups (P > .05). The effective rate was 90.0% in the EIN group and 68.8% in the NEIN group, and the difference was statistically significant (P < .05).Compared to simple curettage and bone grafting, curettage and bone grafting combined with EIN treatment can significantly improve the prognosis of children with bone cysts. It is recommended that EIN be added to bone cyst curettage and bone grafting.
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Affiliation(s)
- Ke Zhang
- Department of Orthopedics, Children's Hospital of Chongqing Medical University
- Ministry of Education Key Laboratory of child Development and Critical Disorders
- China International Science and Technology Cooperation base of Child development and Critical Disorders
- Chongqing Key Laboratory of Pediatrics, Chongqing Medical University Affiliated Children's Hospital, China
| | - ZhongLiang Wang
- Department of Orthopedics, Children's Hospital of Chongqing Medical University
- Ministry of Education Key Laboratory of child Development and Critical Disorders
- China International Science and Technology Cooperation base of Child development and Critical Disorders
- Chongqing Key Laboratory of Pediatrics, Chongqing Medical University Affiliated Children's Hospital, China
| | - Zheng Zhang
- Department of Orthopedics, Children's Hospital of Chongqing Medical University
- Ministry of Education Key Laboratory of child Development and Critical Disorders
- China International Science and Technology Cooperation base of Child development and Critical Disorders
- Chongqing Key Laboratory of Pediatrics, Chongqing Medical University Affiliated Children's Hospital, China
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Percutaneous injection of calcium phosphate composite in pediatric unicameral bone cysts: a minimum 5-year follow-up study. SPORT SCIENCES FOR HEALTH 2019. [DOI: 10.1007/s11332-018-0513-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Abstract
Bone cysts in the pediatric population are often found incidentally on radiographs or after a cyst has created cortical weakness leading to a pathologic fracture. Most bone cysts are benign, are pain free, and resolve spontaneously. The most common bone cyst is unicameral 1-chamber bone cyst, also known as simple bone cyst. General practice pediatricians may be the first to encounter these lesions, and this article aims to help elucidate their incidence, etiology, clinical findings, radiologic findings, and modern treatment approaches. The other differential diagnoses that should be considered, specifically, aneurysmal bone cyst, are also explored. This summary is not all inclusive, and it is recommended that all patients be referred to a pediatric orthopedist.
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Affiliation(s)
| | - Adrienne Koder
- St Christopher's Hospital for Children, Philadelphia, PA
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Abstract
Treatment of unicameral bone cysts (UBC) in the humerus with drainage screws is scarcely reported in the literature. The aim of this retrospective study was to compare drainage screws and alternative treatment methods with respect to the number of required surgical procedures to achieve sufficient UBC healing, postoperative fractures/recurrences/complications, and radiological outcome. Medical archives of two tertiary orthopedic referral centers were screened for all patients who were treated surgically for humeral UBC in the period 1991-2015 with a histologically/cytologically confirmed diagnosis. Sex, age, all surgical procedures, fractures, complications, recurrences, and the final radiological outcome were compared between patients treated with drainage screws, elastic intramedullary nails, or curettage with optional grafting. The study included 106 operated patients with a mean age of 10.3 years, with a mean follow-up of 5.7 years. The average number of UBC-related surgical procedures in sex-matched and age-matched treatment groups was 2.7 with drainage screws, 2.8 with intramedullary nails, and 3.5 with curettage/grafting (P=0.54). Intramedullary nails (odds ratio 0.20) and older age (odds ratio for each year 0.83) predicted a lower risk of postoperative UBC recurrence. Patients with drainage screws had the highest UBC recurrence rates and the lowest rates of changed initial treatment method. There was no difference between the treatment groups in the postoperative fracture rate, complications, or the final radiological outcome. UBC treatment in the humerus therefore requires approximately three surgical procedures, irrespective of the treatment modality chosen. Adding an elastic intramedullary nail to a humeral UBC cyst may reduce recurrence risk and prevent further fractures. Level of Evidence: Level III - therapeutic retrospective comparative study.
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Rosario MS, Yamamoto N, Hayashi K, Takeuchi A, Kimura H, Miwa S, Higuchi T, Inatani H, Abe K, Taniguchi Y, Aiba H, Tsuchiya H. An unusual case of proximal humeral simple bone cyst in an adult from secondary cystic change. World J Surg Oncol 2017; 15:102. [PMID: 28506249 PMCID: PMC5433014 DOI: 10.1186/s12957-017-1166-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2017] [Accepted: 04/23/2017] [Indexed: 01/30/2023] Open
Abstract
Background Simple bone cysts (SBC) have been documented to occur in adults with closed physeal plates, most commonly affecting the calcaneus in this patient subset. Although most authors theorize an association to trauma, etiology of simple bone cysts remains an enigma up to now. Case presentation A 26-year-old kickboxing coach sought consult for a painful right shoulder which on radiographs and magnetic resonance (MR) imaging showed a proximal humeral lesion with signs of ossification. The patient was lost to follow-up but again sought consult after 3 years for the recurring complaint. On repeat radiographs, computed tomography (CT) scan, and MR images, tumor enlargement with cystic findings typical of simple bone cyst were documented. Diagnostic aspiration of the lesion was firstly done, revealing straw-colored fluid. The patient then underwent intralesional curettage with alpha-tricalcium phosphate cement reconstruction of the lytic defect. No perioperative complications were incurred, and on latest follow-up at 3 years postoperatively, Musculoskeletal Tumor Society (MSTS) and visual analog scale (VAS) pain scores were 30/30 and 0/10, respectively. Conclusions The authors believe their report provides support to a possible association to trauma of simple bone cysts occurring in the adult population with closed physes and suggest this subset of patients may require a different treatment approach from that for juvenile simple bone cysts.
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Affiliation(s)
- Mamer S Rosario
- Department of Orthopaedic Surgery, Kanazawa University Graduate School of Medical Sciences, 13-1 Takara-machi, Kanazawa, 920-8640, Ishikawa, Japan.,Department of Orthopaedics, East Avenue Medical Center, East Avenue, Diliman, 1101, Quezon City, Metro Manila, Philippines
| | - Norio Yamamoto
- Department of Orthopaedic Surgery, Kanazawa University Graduate School of Medical Sciences, 13-1 Takara-machi, Kanazawa, 920-8640, Ishikawa, Japan.
| | - Katsuhiro Hayashi
- Department of Orthopaedic Surgery, Kanazawa University Graduate School of Medical Sciences, 13-1 Takara-machi, Kanazawa, 920-8640, Ishikawa, Japan
| | - Akihiko Takeuchi
- Department of Orthopaedic Surgery, Kanazawa University Graduate School of Medical Sciences, 13-1 Takara-machi, Kanazawa, 920-8640, Ishikawa, Japan
| | - Hiroaki Kimura
- Department of Orthopaedic Surgery, Kanazawa University Graduate School of Medical Sciences, 13-1 Takara-machi, Kanazawa, 920-8640, Ishikawa, Japan
| | - Shinji Miwa
- Department of Orthopaedic Surgery, Kanazawa University Graduate School of Medical Sciences, 13-1 Takara-machi, Kanazawa, 920-8640, Ishikawa, Japan
| | - Takashi Higuchi
- Department of Orthopaedic Surgery, Kanazawa University Graduate School of Medical Sciences, 13-1 Takara-machi, Kanazawa, 920-8640, Ishikawa, Japan
| | - Hiroyuki Inatani
- Department of Orthopaedic Surgery, Kanazawa University Graduate School of Medical Sciences, 13-1 Takara-machi, Kanazawa, 920-8640, Ishikawa, Japan
| | - Kensaku Abe
- Department of Orthopaedic Surgery, Kanazawa University Graduate School of Medical Sciences, 13-1 Takara-machi, Kanazawa, 920-8640, Ishikawa, Japan
| | - Yuta Taniguchi
- Department of Orthopaedic Surgery, Kanazawa University Graduate School of Medical Sciences, 13-1 Takara-machi, Kanazawa, 920-8640, Ishikawa, Japan
| | - Hisaki Aiba
- Department of Orthopaedic Surgery, Kanazawa University Graduate School of Medical Sciences, 13-1 Takara-machi, Kanazawa, 920-8640, Ishikawa, Japan
| | - Hiroyuki Tsuchiya
- Department of Orthopaedic Surgery, Kanazawa University Graduate School of Medical Sciences, 13-1 Takara-machi, Kanazawa, 920-8640, Ishikawa, Japan
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15
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Zhao J, Wang J, Huang W, Zhang P, Ding N, Shang J. Interventions for treating simple bone cysts in the long bones of children. Cochrane Database Syst Rev 2017; 2:CD010847. [PMID: 28158933 PMCID: PMC6464391 DOI: 10.1002/14651858.cd010847.pub3] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
BACKGROUND Simple bone cysts, also known as a unicameral bone cysts or solitary bone cysts, are the most common type of benign bone lesion in growing children. Cysts may lead to repeated pathological fracture (fracture that occurs in an area of bone weakened by a disease process). Occasionally, these fractures may result in symptomatic malunion. The main goals of treatment are to decrease the risk of pathological fracture, enhance cyst healing and resolve pain. Despite the numerous treatment methods that have been used for simple bone cysts in long bones of children, there is no consensus on the best procedure. This is an update of a Cochrane review first published in 2014. OBJECTIVES To assess the effects (benefits and harms) of interventions for treating simple bone cysts in the long bones of children, including adolescents.We intended the following main comparisons: invasive (e.g. injections, curettage, surgical fixation) versus non-invasive interventions (e.g. observation, plaster cast, restricted activity); different categories of invasive interventions (i.e. injections, curettage, drilling holes and decompression, surgical fixation and continued decompression); different variations of each category of invasive intervention (e.g. different injection substances: autologous bone marrow versus steroid). SEARCH METHODS We searched the Cochrane Bone, Joint and Muscle Trauma Group Specialised Register, the Cochrane Central Register of Controlled Trials, MEDLINE, Embase, the China National Knowledge Infrastructure Platform, trial registers, conference proceedings and reference lists. Date of last search: April 2016. SELECTION CRITERIA Randomised and quasi-randomised controlled trials evaluating methods for treating simple bone cysts in the long bones of children. DATA COLLECTION AND ANALYSIS Two review authors independently screened search results and performed study selection. We resolved differences in opinion between review authors by discussion and by consulting a third review author. Two review authors independently assessed risk of bias and data extraction. We summarised data using risk ratios (RRs) or mean differences (MDs), as appropriate, and 95% confidence intervals (CIs). We used the Grading of Recommendations Assessment, Development, and Evaluation (GRADE) system to assess the overall quality of the evidence. MAIN RESULTS In this update in 2017, we did not identify any new randomised controlled trials (RCT) for inclusion. We identified one ongoing trial that we are likely to include in a future update. Accordingly, our results are unchanged. The only included trial is a multicentre RCT conducted at 24 locations in North America and India that compared bone marrow injection with steroid (methylprednisolone acetate) injection for treating simple bone cysts. Up to three injections were planned for participants in each group. The trial involved 90 children (mean age 9.5 years) and presented results for 77 children at two-year follow-up. Although the trial had secure allocation concealment, it was at high risk of performance bias and from major imbalances in baseline characteristics. Reflecting these study limitations, we downgraded the quality of evidence by two levels to 'low' for most outcomes, meaning that we are unsure about the estimates of effect. For outcomes where there was serious imprecision, we downgraded the quality of evidence by a further level to 'very low'.The trial provided very low quality evidence that fewer children in the bone marrow injection group had radiographically assessed healing of bone cysts at two years than in the steroid injection group (9/39 versus 16/38; RR 0.55 favouring steroid injection, 95% CI 0.28 to 1.09). However, the result was uncertain and may be compatible with no difference or small benefit favouring bone marrow injection. Based on an illustrative success rate of 421 children with healed bone cysts per 1000 children treated with steroid injections, this equates to 189 fewer (95% CI 303 fewer to 38 more) children with healed bone cysts per 1000 children treated with bone marrow injections. There was low quality evidence of a lack of difference between the two interventions at two years in functional outcome, based on the Activity Scale for Kids function score (0 to 100; higher scores equate to better outcome: MD -0.90; 95% CI -4.26 to 2.46) or in pain assessed using the Oucher pain score. There was very low quality evidence of a lack of differences between the two interventions for adverse events: subsequent pathological fracture (9/39 versus 11/38; RR 0.80, 95% CI 0.37 to 1.70) or superficial infection (two cases in the bone marrow group). Recurrence of bone cyst, unacceptable malunion, return to normal activities, and participant satisfaction were not reported. AUTHORS' CONCLUSIONS The available evidence is insufficient to determine the relative effects of bone marrow versus steroid injections, although the bone marrow injections are more invasive. Noteably, the rate of radiographically assessed healing of the bone cyst at two years was well under 50% for both interventions. Overall, there is a lack of evidence to determine the best method for treating simple bone cysts in the long bones of children. Further RCTs of sufficient size and quality are needed to guide clinical practice.
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Affiliation(s)
- Jia‐Guo Zhao
- Tianjin HospitalDepartment of Orthopaedic SurgeryNo. 406 Jiefangnan RoadHexi DistrictTianjinChina300211
| | - Jia Wang
- Tianjin HospitalDepartment of Orthopaedic SurgeryNo. 406 Jiefangnan RoadHexi DistrictTianjinChina300211
| | - Wan‐Jie Huang
- Shengjing Hospital affiliated to China Medical UniversityDepartment of PaediatricsNo.36 Sanhao Street, Heping DistrictShenyangLiaoningChina110004
| | - Peng Zhang
- The Second Affiliated Hospital of Soochow UniversityDepartment of Orthopaedic SurgeryNo 1055 Sanxiang RoadSuzhouJiangsuChina215004
| | - Ning Ding
- Tanggu Traditional Chinese Medicine Hospital of Tianjin Binhai New AreaDepartment of Orthopaedic SurgeryNo. 90 Hangzhou Road, Tanggu DistrictTianjinChina300451
| | - Jian Shang
- Tianjin Center of Tuberculosis ControlDepartment of Tuberculosis ClinicsNo.124, Chifeng RoadHeping DistrictTianjinChina300040
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