JOS Case Reports最新文献_第2页

Spinal meningeal melanocytoma with extensive dura mater pigmentation: Review of meningeal melanocytic tumors with GNAQ mutations 伴有广泛硬脑膜色素沉着的脊膜黑素细胞瘤：伴有GNAQ突变的脊膜黑素细胞瘤的研究综述

JOS Case Reports Pub Date : 2024-11-06 DOI: 10.1016/j.joscr.2024.10.001

Kazumichi Yagura , Shu Takahashi , Kazuyuki Segami , Yusuke Oshita , Genshu Tate , Koji Kanzaki , Tomoaki Toyone , Yoshifumi Kudo

{"title":"Spinal meningeal melanocytoma with extensive dura mater pigmentation: Review of meningeal melanocytic tumors with GNAQ mutations","authors":"Kazumichi Yagura , Shu Takahashi , Kazuyuki Segami , Yusuke Oshita , Genshu Tate , Koji Kanzaki , Tomoaki Toyone , Yoshifumi Kudo","doi":"10.1016/j.joscr.2024.10.001","DOIUrl":"10.1016/j.joscr.2024.10.001","url":null,"abstract":"<div><h3>Background</h3><div>Meningeal melanocytoma is an extremely rare benign tumor. Although gross total resection of the tumor is the most effective therapy, consensus regarding the management of adjacent pigmented dura mater is lacking. Here, we present a case of meningeal melanocytoma with extensive dura mater pigmentation and discuss the importance of <em>GNAQ</em> mutations in making the diagnosis.</div></div><div><h3>Case presentation</h3><div>A 37-year-old woman presented with bilateral leg weakness. Magnetic resonance imaging revealed a thoracic intradural extramedullary mass. A solid blackish tumor wrapped in dark-pigmented dura mater was excised. No neoplasms were detected in the dura mater or on cerebrospinal fluid analysis. Genetic analysis revealed a <em>GNAQ</em> mutation. The mass was diagnosed as a meningeal melanocytoma. No recurrence was observed during 2 years of follow-up.</div></div><div><h3>Conclusions</h3><div>Histopathological analysis of the dura mater and cytological analysis of the cerebrospinal fluid is useful for deciding whether to administer adjuvant therapy.</div></div>","PeriodicalId":100743,"journal":{"name":"JOS Case Reports","volume":"4 2","pages":"Pages 48-52"},"PeriodicalIF":0.0,"publicationDate":"2024-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144169678","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Lipoma arborescens and synovial chondromatosis with subacromial bursal effusion 树状脂肪瘤和伴肩峰下囊积液的滑膜软骨瘤病

JOS Case Reports Pub Date : 2024-09-10 DOI: 10.1016/j.joscr.2024.08.002

Shu Yoshizawa, Hiroyasu Ikegami, Takanori Shintaku, Misato Sakamoto, Takahiro Maeda, Tomoyasu Honma, Yoshiro Musha, Hideaki Ishii

引用次数: 0

Nonunion of fourth metatarsal base stress fracture in athletes treated with locking plate fixation and iliac bone grafting: A three-case report 锁定钢板固定联合髂骨移植治疗运动员第四跖骨基底应力性骨折不愈合3例报告

JOS Case Reports Pub Date : 2024-09-02 DOI: 10.1016/j.joscr.2024.08.003

Shota Morimoto, Futoshi Morio, Toshiya Tachibana, Tomoya Iseki

{"title":"Nonunion of fourth metatarsal base stress fracture in athletes treated with locking plate fixation and iliac bone grafting: A three-case report","authors":"Shota Morimoto, Futoshi Morio, Toshiya Tachibana, Tomoya Iseki","doi":"10.1016/j.joscr.2024.08.003","DOIUrl":"10.1016/j.joscr.2024.08.003","url":null,"abstract":"<div><h3>Background</h3><div>Fourth metatarsal base stress fractures have been reported to cause complications, such as a substantial rate of delayed union and nonunion when treated nonoperatively. This report details three cases of nonunion of basal stress fractures of the fourth metatarsal in athletes who were successfully treated with a combination of locking plate fixation and iliac bone grafting.</div></div><div><h3>Case presentation</h3><div>Three male athletes presented with nonunion of fourth metatarsal base stress fracture and underwent surgical treatment. In all cases, the nonunion site was decorticated, and iliac cancellous bone was grafted to the nonunion site. The bone fragments were reduced in a correct bone alignment and fixed using a locking plate. All the athletes obtained bone union and returned to the original sport at 12 weeks postoperatively.</div></div><div><h3>Conclusions</h3><div>Surgical treatment combining locking plate fixation and iliac bone grafting for nonunion of a fourth metatarsal base stress fracture in athletes produced satisfactory results.</div></div>","PeriodicalId":100743,"journal":{"name":"JOS Case Reports","volume":"4 2","pages":"Pages 44-47"},"PeriodicalIF":0.0,"publicationDate":"2024-09-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144169677","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Arthroscopic excision as a viable treatment for intra-articular osteoid osteoma in the proximal humerus: A case report 关节镜下切除术是治疗肱骨近端关节内类骨瘤的可行方法：病例报告

JOS Case Reports Pub Date : 2024-09-01 DOI: 10.1016/j.joscr.2024.03.004

引用次数: 0

Ipsilateral posterior glenohumeral dislocation in a patient with a history of anterior glenohumeral dislocation 一名有盂肱关节前脱位病史的患者发生同侧盂肱关节后脱位

JOS Case Reports Pub Date : 2024-09-01 DOI: 10.1016/j.joscr.2024.01.007

{"title":"Ipsilateral posterior glenohumeral dislocation in a patient with a history of anterior glenohumeral dislocation","authors":"","doi":"10.1016/j.joscr.2024.01.007","DOIUrl":"10.1016/j.joscr.2024.01.007","url":null,"abstract":"<div><h3>Background</h3><p>There are few reports of posterior dislocation of the shoulder with a history of anterior dislocation.</p></div><div><h3>Case presentation</h3><p>A 60-year-old man was referred to our hospital after missing a posterior left glenohumeral dislocation. He had a history of an anterior glenohumeral dislocation. In addition to reduction of the posterior dislocation, the surgery involved a combination of repair of the labrum, including the anterior, and reverse rempilissage. We were concerned that the anterior labrum and capsule would be redislocated anteriorly if not repaired, and because excessive repair was thought to induce postoperative contracture, we performed the repair based on intraoperative findings. No re-dislocation has been encountered 18 months after surgery, and joint function is relatively preserved.</p></div><div><h3>Conclusions</h3><p>A patient with a history of anterior glenohumeral dislocation who developed ipsilateral posterior glenohumeral dislocation after injury underwent arthroscopic superior labrum anterior-to-posterior repair and reverse remplissage with favorable postoperative results.</p></div>","PeriodicalId":100743,"journal":{"name":"JOS Case Reports","volume":"3 3","pages":"Pages 131-135"},"PeriodicalIF":0.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S277296482400008X/pdfft?md5=554961982b6e79fa2e39c628202685cc&pid=1-s2.0-S277296482400008X-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139885741","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Continuous local antibiotic perfusion (CLAP) for fracture-related infection after reconstruction of primary alveolar soft part sarcoma in the right thigh: A case report 持续局部抗生素灌注（CLAP）治疗右大腿原发性肺泡软组织肉瘤重建术后的骨折相关感染：病例报告

JOS Case Reports Pub Date : 2024-09-01 DOI: 10.1016/j.joscr.2024.03.002

{"title":"Continuous local antibiotic perfusion (CLAP) for fracture-related infection after reconstruction of primary alveolar soft part sarcoma in the right thigh: A case report","authors":"","doi":"10.1016/j.joscr.2024.03.002","DOIUrl":"10.1016/j.joscr.2024.03.002","url":null,"abstract":"<div><h3>Background</h3><p>Post-operative infection during adjuvant therapy of bone and soft tissue tumors often turns refractory leading to amputation. Therefore, new treatment options are needed to control the infection.</p></div><div><h3>Case presentation</h3><p>A 56-year-old woman underwent wide resection and subsequent bone reconstruction with a liquid nitrogen-treated autograft for alveolar soft part sarcoma (ASPS) on the distal side of the right thigh. Two weeks thereafter, a second operation was done involving an implant with an intramedullary nail for a periprosthetic fracture; continuous resection of a pseudoaneurysm at fracture site was carried out one month later. Nevertheless, uncontrolled local infection soon developed. Therefore, continuous local antibiotic perfusion (CLAP) was directed to the infected site with the use of one intra-medullary antibiotic perfusion (iMAP) pin and one intra-soft tissue antibiotic perfusion (iSAP) tube, whereby the infection was immediately controlled. At 1.5 years after CLAP, the fracture had healed without recurrence of infection or tumor.</p></div><div><h3>Conclusion</h3><p>CLAP is an effective antibiotic delivery system for fracture-related infection; it preserves both the implant and the biologically inactive bone affected by adjuvant therapy for sarcoma.</p></div>","PeriodicalId":100743,"journal":{"name":"JOS Case Reports","volume":"3 3","pages":"Pages 163-167"},"PeriodicalIF":0.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2772964824000157/pdfft?md5=2a3d17ec428475604c1ab74373790165&pid=1-s2.0-S2772964824000157-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140275016","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Chronic osteomyelitis accompanying soft tissue defect treated with continuous local antibiotics perfusion (CLAP): A case report 持续局部抗生素灌注（CLAP）治疗伴有软组织缺损的慢性骨髓炎：病例报告

JOS Case Reports Pub Date : 2024-09-01 DOI: 10.1016/j.joscr.2024.03.001

{"title":"Chronic osteomyelitis accompanying soft tissue defect treated with continuous local antibiotics perfusion (CLAP): A case report","authors":"","doi":"10.1016/j.joscr.2024.03.001","DOIUrl":"10.1016/j.joscr.2024.03.001","url":null,"abstract":"<div><h3>Background</h3><p>Severe fracture-related infections demand extended infection control treatment and bone-soft tissue reconstruction. We present a case of chronic osteomyelitis and soft-tissue loss treated using continuous local antibiotic perfusion.</p></div><div><h3>Case presentation</h3><p>A 67-year-old woman underwent osteosynthesis for a left tibial diaphysis fracture and subsequent implant removal upon bone union. At age 63, she developed skin ulcers with distal tibial bone exposure, and 4 years later, sustained another left tibial diaphysis fracture, diagnosed as a chronic osteomyelitis pathological fracture. We initiated continuous local antibiotic perfusion to control infection, followed by osteosynthesis, latissimus dorsi flap placement, and bone grafting after 2 weeks. Five months post-injury, the infection resolved, and her original walking ability was restored.</p></div><div><h3>Conclusion</h3><p>Continuous local antibiotic perfusion shows promise in significantly shortening the treatment duration for fracture-related infections with chronic osteomyelitis and soft tissue loss.</p></div>","PeriodicalId":100743,"journal":{"name":"JOS Case Reports","volume":"3 3","pages":"Pages 159-162"},"PeriodicalIF":0.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2772964824000145/pdfft?md5=6d68d2a5b1686a08da375884d54dc0aa&pid=1-s2.0-S2772964824000145-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140275188","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Modified CLON technique for treating femoral shaft nonunion with substantial shortening: A case report 改良CLON技术治疗股骨干严重缩短的骨不连：病例报告

JOS Case Reports Pub Date : 2024-09-01 DOI: 10.1016/j.joscr.2024.01.009

{"title":"Modified CLON technique for treating femoral shaft nonunion with substantial shortening: A case report","authors":"","doi":"10.1016/j.joscr.2024.01.009","DOIUrl":"10.1016/j.joscr.2024.01.009","url":null,"abstract":"<div><h3>Background</h3><p>The efficacy of the chipping and lengthening over nailing technique for treating severe femoral shaft nonunion with significant shortening remains ambiguous.</p></div><div><h3>Case presentation</h3><p>A 51-year-old male with persistent femoral shaft nonunion despite multiple surgeries, including the traditional chipping and lengthening over nailing, was introduced to our institute. We utilized a two-stage modified version of the procedure. The first phase involved intramedullary nail removal, unilateral external fixator application, and the chipping technique. Following gradual lengthening via the external fixator, the second phase included the fixator's removal and internal fixation using an anterograde intramedullary nail. After three months, successful bone union with resolving leg length discrepancy was confirmed.</p></div><div><h3>Conclusion</h3><p>The modified chipping and lengthening over nailing technique can effectively manage femoral shaft nonunion with considerable severe shortening, as evidenced in this case, ensuring successful bone healing and leg length discrepancy reduction.</p></div>","PeriodicalId":100743,"journal":{"name":"JOS Case Reports","volume":"3 3","pages":"Pages 141-145"},"PeriodicalIF":0.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2772964824000108/pdfft?md5=1da54ee68ad1376b7fce070c0c4fa8d9&pid=1-s2.0-S2772964824000108-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140273945","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Case report: Histological and imaging findings of cervical extensor muscles in a patient with poor outcome of dropped head syndrome after conservative treatment 病例报告：一名经保守治疗后效果不佳的垂头综合征患者颈部伸肌的组织学和影像学发现

JOS Case Reports Pub Date : 2024-09-01 DOI: 10.1016/j.joscr.2024.01.008

{"title":"Case report: Histological and imaging findings of cervical extensor muscles in a patient with poor outcome of dropped head syndrome after conservative treatment","authors":"","doi":"10.1016/j.joscr.2024.01.008","DOIUrl":"10.1016/j.joscr.2024.01.008","url":null,"abstract":"<div><h3>Background</h3><p>The pathological conditions in patients with poor natural outcome of dropped head syndrome (DHS) are unclear.</p></div><div><h3>Case presentation</h3><p>A 55-year-old woman demonstrated DHS without any trauma. She was diagnosed with idiopathic neck extensor myopathy DHS and had received conservative treatment for 3 years. However, the symptoms worsened and walking and eating became difficult due to the dropped head. X-rays showed that the C6-7 interspinous space was elongated at cervical flexion. T2-weighted magnetic resonance imaging presented high signal change at the C6-7 inter-spinous space. She underwent surgery, and the pathological findings in the cervical extensor muscles revealed a necrotic tear and angiogenesis at C6-7. Elastic van Gieson stain showed replacement of muscle fibers with collagen tissue at C6-7.</p></div><div><h3>Conclusion</h3><p>Pathological findings of poor outcome DHS after conservative treatment showed severe degeneration in cervical extensor muscles, which could be detected by X-ray and MRI. The irreversible degenerative change in cervical extensor muscles may lead to the poor natural outcome in DHS.</p></div>","PeriodicalId":100743,"journal":{"name":"JOS Case Reports","volume":"3 3","pages":"Pages 136-140"},"PeriodicalIF":0.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2772964824000091/pdfft?md5=0bc52262e0cab52c80af9d6583e11d6b&pid=1-s2.0-S2772964824000091-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140469026","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Osteopetrosis complicated with femoral subtrochanteric pathological fracture with numerous microcracks observed in the femoral cortex: A case report 股骨头坏死并发股骨转子下病理性骨折，股骨皮质出现大量微裂缝：病例报告

JOS Case Reports Pub Date : 2024-09-01 DOI: 10.1016/j.joscr.2024.02.002

{"title":"Osteopetrosis complicated with femoral subtrochanteric pathological fracture with numerous microcracks observed in the femoral cortex: A case report","authors":"","doi":"10.1016/j.joscr.2024.02.002","DOIUrl":"10.1016/j.joscr.2024.02.002","url":null,"abstract":"<div><h3>Background</h3><p>The histopathology of osteopetrosis, a dysfunction of osteoclasts, remains unknown. We surveyed the histopathology of a case of late-onset osteopetrosis using bone histomorphometry.</p></div><div><h3>Case presentation</h3><p>A 77-year-old man sustained a left pathological femoral fracture in the subtrochanteric site after a fall from the standing position. Based on plain radiographic findings, the patient was diagnosed with autosomal-dominant late-onset osteopetrosis. After open reduction and internal fixation, late surgical-site infection occurred at 8 weeks postoperatively. The femoral head was resected through the subtrochanteric site to reduce the infection. Numerous bulk staining-positive microcracks were detected in the cortical bone from the resected specimen.</p></div><div><h3>Conclusions</h3><p>Osteopetrosis was speculated to cause osteoclast dysfunction by inhibiting bone remodeling in the osteon of the cortical bone at the fracture site. Furthermore, osteocytes could not function as a repair system for microcracks, resulting in the retention of numerous microcracks. This phenomenon may have induced pathological fracture.</p></div>","PeriodicalId":100743,"journal":{"name":"JOS Case Reports","volume":"3 3","pages":"Pages 155-158"},"PeriodicalIF":0.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2772964824000133/pdfft?md5=6d06c039f60316c8c5ded2a8f53a30f4&pid=1-s2.0-S2772964824000133-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140088154","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0