JOS Case Reports最新文献

Long-term outcomes of bone marrow blood transfusion combined with low-intensity pulsed ultrasound and external fixation in early-stage Preiser’s disease: A 10-year follow-up case report 骨髓输血联合低强度脉冲超声和外固定治疗早期Preiser病的长期疗效：10年随访病例报告

JOS Case Reports Pub Date : 2026-03-01 Epub Date: 2025-06-14 DOI: 10.1016/j.joscr.2025.05.003

Akira Ikumi , Takeshi Ogawa , Yuki Hara , Yuichi Yoshii , Naoyuki Ochiai , Masashi Yamazaki

引用次数: 0

Successful treatment of pediatric scaphoid nonunion with a vascularized bone graft: A report of four cases 带血管骨移植成功治疗儿童舟状骨不连：附4例报告

JOS Case Reports Pub Date : 2026-03-01 Epub Date: 2025-10-21 DOI: 10.1016/j.joscr.2025.10.001

Ryosuke Koshio , Hirotaka Akezuma , Ichiro Okano , Keikichi Kawasaki , Yoshifumi Kudo

{"title":"Successful treatment of pediatric scaphoid nonunion with a vascularized bone graft: A report of four cases","authors":"Ryosuke Koshio , Hirotaka Akezuma , Ichiro Okano , Keikichi Kawasaki , Yoshifumi Kudo","doi":"10.1016/j.joscr.2025.10.001","DOIUrl":"10.1016/j.joscr.2025.10.001","url":null,"abstract":"<div><h3>Background</h3><div>Scaphoid fractures are rare in children, and the occurrence of nonunion is even more uncommon. While vascularized bone grafting (VBG) has been shown to be effective in adult scaphoid nonunion, the commonly used distal radius VBG carries a risk of growth plate injury in pediatric patients. This study reports the outcomes of VBG from the second metacarpal base for scaphoid nonunion in teenagers with open epiphysial line.</div></div><div><h3>Case presentation</h3><div>Since 2001, we treated four pediatric patients (≤14 years) with scaphoid nonunion using second metacarpal VBG. Grafts were harvested from the second metacarpal base, preserving the dorsal metacarpal artery, and fixed with headless screws and K-wires. Bone union was achieved in all cases. Although one case showed incomplete correction of DISI deformity, all patients had favorable outcomes in terms of range of motion and Mayo Wrist Scores.</div></div><div><h3>Conclusions</h3><div>Second metacarpal VBG achieved bone union and good function in pediatric scaphoid nonunion. Nonetheless, the potential limitations in correcting DISI deformity should be considered.</div></div>","PeriodicalId":100743,"journal":{"name":"JOS Case Reports","volume":"5 1","pages":"Pages 21-24"},"PeriodicalIF":0.0,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147414348","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

Symptomatic os vesalianum pedis triggered by gouty tophus: A case report 痛风性痛风引起的症状性足疱1例

JOS Case Reports Pub Date : 2026-03-01 Epub Date: 2025-09-01 DOI: 10.1016/j.joscr.2025.08.001

Yoshimasa Taniguchi , Tomonobu Hagio , Tetsuro Ishimatsu , Yuki Sugino , Seiya Tomonaga , Ryo Fukagawa , Ichiro Yoshimura , Takuaki Yamamoto

{"title":"Symptomatic os vesalianum pedis triggered by gouty tophus: A case report","authors":"Yoshimasa Taniguchi , Tomonobu Hagio , Tetsuro Ishimatsu , Yuki Sugino , Seiya Tomonaga , Ryo Fukagawa , Ichiro Yoshimura , Takuaki Yamamoto","doi":"10.1016/j.joscr.2025.08.001","DOIUrl":"10.1016/j.joscr.2025.08.001","url":null,"abstract":"<div><h3>Background</h3><div>Os Vesalianum Pedis (OVP) is an accessory bone at the base of the fifth metatarsal. While rare, symptomatic cases requiring surgery may arise following sports injuries or trauma. We present a unique case of symptomatic OVP induced by gouty tophi.</div></div><div><h3>Case report</h3><div>A 25-year-old male with recurrent gout attacks had discontinued medication without supervision. One month before presentation, he experienced worsening foot pain that persisted despite resuming medication, prompting a visit to our department. Physical examination revealed swelling and tenderness in both lateral feet. Blood tests showed elevated uric acid and C-reactive protein. Imaging studies demonstrated osteolysis, marginal sclerosis, and erosion at the fifth metatarsal base. Surgical resection of the OVP relieved the pain completely.</div></div><div><h3>Conclusion</h3><div>This is the first reported case of OVP induced by gouty tophi. Prolonged hyperuricemia likely promoted tophus formation, impairing mobility between the fifth metatarsal and OVP, resulting in pain.</div></div>","PeriodicalId":100743,"journal":{"name":"JOS Case Reports","volume":"5 1","pages":"Pages 16-20"},"PeriodicalIF":0.0,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147414349","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

Epithelioid angiosarcoma arising within a schwannoma of the back: A case report 发生于背部神经鞘瘤的上皮样血管肉瘤1例报告

JOS Case Reports Pub Date : 2026-03-01 Epub Date: 2025-05-31 DOI: 10.1016/j.joscr.2025.05.002

Yuta Watanabe , Naofumi Asano , Tsuyoshi Mizuma , Satoshi Kamio , Sayaka Yamaguchi , Tomoaki Mori , Hajime Okita , Robert Nakayama , Masaya Nakamura

{"title":"Epithelioid angiosarcoma arising within a schwannoma of the back: A case report","authors":"Yuta Watanabe , Naofumi Asano , Tsuyoshi Mizuma , Satoshi Kamio , Sayaka Yamaguchi , Tomoaki Mori , Hajime Okita , Robert Nakayama , Masaya Nakamura","doi":"10.1016/j.joscr.2025.05.002","DOIUrl":"10.1016/j.joscr.2025.05.002","url":null,"abstract":"<div><h3>Background</h3><div>Schwannomas are benign tumors that commonly occur in peripheral nerves, and their malignant transformation is extremely rare.</div></div><div><h3>Case presentation</h3><div>A 53-year-old man was aware of a mass in his right back for eight years. As the mass increased in size and became painful, he was referred to our hospital. Magnetic resonance imaging (MRI) revealed a 3 cm mass within the muscle layer. The tumor margins were regular, but it was heterogeneously contrasted. A needle biopsy suggested schwannoma, and we performed a resection. However, pathologically, the tumor was found to be composed of a benign schwannoma, an epithelioid angiosarcoma, and diagnosed an epithelioid angiosarcoma arising from a benign schwannoma. We performed an additional wide resection, and there has been no recurrence for four years after surgery.</div></div><div><h3>Conclusions</h3><div>We present a rare case of epithelioid angiosarcoma that developed within a schwannoma. If progressive symptoms are present, malignant transformation should be considered.</div></div>","PeriodicalId":100743,"journal":{"name":"JOS Case Reports","volume":"5 1","pages":"Pages 1-6"},"PeriodicalIF":0.0,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147414390","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

Bilateral tibial stress fracture and stress reaction: A report of 14 cases 双侧胫骨应力性骨折及应力反应：附14例报告

JOS Case Reports Pub Date : 2026-03-01 Epub Date: 2025-07-24 DOI: 10.1016/j.joscr.2025.06.001

Hiroaki Nishimoto , Junji Ohnishi , Lars Engebretsen , Tetsuo Yamaguchi

引用次数: 0

Kaposiform hemangioendothelioma diagnosed following elbow painful contracture in an adolescent patient: A case report 卡波西样血管内皮瘤诊断后肘部疼痛挛缩的青少年患者：1例报告

JOS Case Reports Pub Date : 2025-12-01 Epub Date: 2025-03-17 DOI: 10.1016/j.joscr.2025.03.001

Yoko Tanabe , Robert Nakayama , Kayoko Uno , Yutaka Kurebayashi , Yosuke Yamamoto , Satoshi Kamio , Sayaka Yamaguchi , Tomoaki Mori , Naofumi Asano , Yohei Masugi , Taiki Nozaki , Noriko Aramaki , Masaya Nakamura

{"title":"Kaposiform hemangioendothelioma diagnosed following elbow painful contracture in an adolescent patient: A case report","authors":"Yoko Tanabe , Robert Nakayama , Kayoko Uno , Yutaka Kurebayashi , Yosuke Yamamoto , Satoshi Kamio , Sayaka Yamaguchi , Tomoaki Mori , Naofumi Asano , Yohei Masugi , Taiki Nozaki , Noriko Aramaki , Masaya Nakamura","doi":"10.1016/j.joscr.2025.03.001","DOIUrl":"10.1016/j.joscr.2025.03.001","url":null,"abstract":"<div><h3>Background</h3><div>Kaposiform hemangioendothelioma is a rare, locally invasive vascular tumor of intermediate malignancy that most frequently involves the extremities. Most cases manifest in infancy and are associated with life-threatening consumptive coagulopathy, known as the Kasabach–Merritt phenomenon, acute pain, and functional limitations.</div></div><div><h3>Case presentation</h3><div>We present an extremely rare case of kaposiform hemangioendothelioma in a 15-year-old girl who had had no remarkable symptoms other than skin erythema until she developed severe pain and elbow contracture during adolescence. Although marginal tumor resection necessitated concurrent triceps tendon resection, her symptoms resolved without recurrence over a 2-year follow-up.</div></div><div><h3>Conclusions</h3><div>This case highlights that probably congenital kaposiform hemangioendothelioma may not cause significant symptoms until adolescence and the importance of resection for symptomatic resectable lesions.</div></div>","PeriodicalId":100743,"journal":{"name":"JOS Case Reports","volume":"4 4","pages":"Pages 97-101"},"PeriodicalIF":0.0,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145610538","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

Tibial-hindfoot turn-up plasty following proximal femur and periacetabular resection for unplanned sarcoma resection: A case report 股骨近端和髋臼周围切除术后胫骨-后足隆起成形术治疗计划外肉瘤切除术：1例报告

JOS Case Reports Pub Date : 2025-12-01 Epub Date: 2025-05-30 DOI: 10.1016/j.joscr.2025.05.001

Daniela Kristina Carolino, Hirohisa Katagiri, Junji Wasa, Hideki Murata, Kan Ito, Shunichi Toki, Mitsuru Takahashi, Ryo Satake

{"title":"Tibial-hindfoot turn-up plasty following proximal femur and periacetabular resection for unplanned sarcoma resection: A case report","authors":"Daniela Kristina Carolino, Hirohisa Katagiri, Junji Wasa, Hideki Murata, Kan Ito, Shunichi Toki, Mitsuru Takahashi, Ryo Satake","doi":"10.1016/j.joscr.2025.05.001","DOIUrl":"10.1016/j.joscr.2025.05.001","url":null,"abstract":"<div><h3>Introduction</h3><div>Various reconstruction options are available following femoral resection for malignancies or complex cases with femoral involvement. Tibia-hindfoot osteomusculocutaneous rotationplasty, a rare reconstruction alternative introduced by Peterson in 1997, is a modification of the original technique of total tibial turn up proposed by Sauerbruch in 1922. However, data on the outcomes of this procedure are lacking.</div></div><div><h3>Case report</h3><div>A 50-year-old male patient with a 15-year history of right hip pain underwent unplanned resection, followed by total hip arthroplasty for clear cell chondrosarcoma of the femoral head and neck, with tibial-hindfoot turn-up plasty subsequently performed as a salvage procedure. Thirty-two months postoperatively, he was ambulatory with a prosthetic leg and a single crutch.</div></div><div><h3>Conclusion</h3><div>Benefits of tibial-hindfoot turn-up plasty include a longer stump for better prosthesis fitting, and better functional outcomes than hemipelvectomy. Furthermore, unlike a tumor prosthesis, revision is unlikely, and compared with rotationoplasty, this results in better cosmesis and fewer vascular complications.</div></div>","PeriodicalId":100743,"journal":{"name":"JOS Case Reports","volume":"4 4","pages":"Pages 114-118"},"PeriodicalIF":0.0,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145610542","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

Urethral injury secondary to advanced fragility fracture of the pelvis: A case report 晚期骨盆脆性骨折继发尿道损伤1例

JOS Case Reports Pub Date : 2025-12-01 Epub Date: 2025-05-03 DOI: 10.1016/j.joscr.2025.04.001

Takumi Kaku , Yoto Oh , Toshitaka Yoshii

{"title":"Urethral injury secondary to advanced fragility fracture of the pelvis: A case report","authors":"Takumi Kaku , Yoto Oh , Toshitaka Yoshii","doi":"10.1016/j.joscr.2025.04.001","DOIUrl":"10.1016/j.joscr.2025.04.001","url":null,"abstract":"<div><h3>Background</h3><div>Fragility fracture of the pelvic ring (FFP) is rarely associated with urinary tract complications. We experienced a case of advanced FFP with urethral injury as late complications.</div></div><div><h3>Case presentation</h3><div>The patient was an 83-year-old woman with no trauma episode who was admitted to our hospital due to acute groin pain. After several examinations, we diagnosed urethral rupture, urine leakage with bacterial contamination, urinary retention, and advanced FFP. We immediately performed cystostomy, puncture drainage for urine leakage, and antibiotic administration. Three weeks later, as the leakage and infection were controlled, internal fixation was performed for the FFP. Although she could walk alone with a cane at 1 year after the surgery, complete bone union was not achieved.</div></div><div><h3>Conclusion</h3><div>This case was the advanced FFP complicated with urethral rupture, and the sequential treatments for each urinary retention, infection, and pelvic ring instability resulted in an acceptable outcome. Surgeons should recognize that chronic instability and repetitive friction in FFPs may be factors of urinary tract complications.</div></div>","PeriodicalId":100743,"journal":{"name":"JOS Case Reports","volume":"4 4","pages":"Pages 102-105"},"PeriodicalIF":0.0,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145610539","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

Sequential multimodal management of methicillin-resistant Staphylococcus aureus-infected tibial pseudoarthrosis: A case report on the application of an antibiotic-loaded cement spacer and the continuous local antibiotic perfusion technique across three stages 耐甲氧西林金黄色葡萄球菌感染胫骨假关节的序贯多模式治疗：应用抗生素负载水泥间隔器和连续局部抗生素灌注技术的病例报告

JOS Case Reports Pub Date : 2025-12-01 Epub Date: 2025-04-28 DOI: 10.1016/j.joscr.2025.04.002

Yosuke Kaneko , Yunhan Ji , Sho Nojiri , Kazue Hayakawa , Nobuyuki Fujita

{"title":"Sequential multimodal management of methicillin-resistant Staphylococcus aureus-infected tibial pseudoarthrosis: A case report on the application of an antibiotic-loaded cement spacer and the continuous local antibiotic perfusion technique across three stages","authors":"Yosuke Kaneko , Yunhan Ji , Sho Nojiri , Kazue Hayakawa , Nobuyuki Fujita","doi":"10.1016/j.joscr.2025.04.002","DOIUrl":"10.1016/j.joscr.2025.04.002","url":null,"abstract":"<div><h3>Background</h3><div>Infected pseudoarthrosis requires effective infection control and successful bone union. Hence, this pathology is challenging to manage.</div></div><div><h3>Case presentation</h3><div>Herein, we report on a 41-year-old male patient who presented with methicillin-resistant <em>Staphylococcus aureus</em>-infected pseudoarthrosis after a primary surgery at another institution. After debridement, cement spacer insertion, and application of an intra-soft tissue antibiotic perfusion (iSAP) system for infection control, the final stage of bone fixation surgery with allogeneic bone grafting was performed. During the postoperative course, low-intensity pulsed ultrasound (LIPUS) was conducted. Ultimately, both infection control and bone union were achieved. At the latest follow-up, the patient had regained normal gait and was able to return to work.</div></div><div><h3>Conclusion</h3><div>Comprehensive treatment strategies must be considered for challenging pathologies such as infected pseudoarthrosis.</div></div>","PeriodicalId":100743,"journal":{"name":"JOS Case Reports","volume":"4 4","pages":"Pages 106-109"},"PeriodicalIF":0.0,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145610540","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

Achilles tendon rupture in previously treated clubfoot: Is there a correlation? A pediatric case report and a literature review 先前治疗过的内翻足的跟腱断裂：是否有相关性？一份儿科病例报告和文献综述

JOS Case Reports Pub Date : 2025-12-01 Epub Date: 2025-05-07 DOI: 10.1016/j.joscr.2025.04.003

Giulia Masci , Valeria Calogero , Luca Basiglini , Marco Giordano , Martina Marsiolo , Angelo Gabriele Aulisa , Francesco Falciglia

{"title":"Achilles tendon rupture in previously treated clubfoot: Is there a correlation? A pediatric case report and a literature review","authors":"Giulia Masci , Valeria Calogero , Luca Basiglini , Marco Giordano , Martina Marsiolo , Angelo Gabriele Aulisa , Francesco Falciglia","doi":"10.1016/j.joscr.2025.04.003","DOIUrl":"10.1016/j.joscr.2025.04.003","url":null,"abstract":"<div><h3>Backgrounds</h3><div>Achilles tendon rupture in children is very rare. The cause could be traumatic or non-traumatic such as clubfoot deformity, auto-immune, infectious or genetic diseases with collagen alterations. Regarding clubfoot, only a few case reports of Achilles tendon injury in previously treated feet diagnosed with this deformity are available in the literature. The most accepted treatment for clubfoot is represented by the Ponseti method which includes manipulations, corrective casts and Achilles tendon tenotomy. After surgery, the tendon fibres appear to heal properly.</div></div><div><h3>Case report</h3><div>We present the case of a 14-year-old girl who was referred to the emergency department for intense right ankle pain aroused while running, which resulted in a ruptured Achilles tendon. She had a history of bilateral clubfoot previously treated in her neonatal age with the Ponseti method including Achilles tendon tenotomy. The actual tendon lesion was treated surgically with an open terminus-terminal tenorrhaphy and immobilisation with a cast. Full recovery occurred after 2 months.</div></div><div><h3>Discussion and conclusions</h3><div>This study presents a rare case of Achilles tendon injury in previously treated clubfoot. Treatment of clubfoot is necessary to avoid invalidating sequelae. Achilles tenotomy is a widely accepted and effective procedure and studies have shown that tendon quality and muscle strength at week 12 are comparable to those of a normal tendon and the remodelling process continues up to three years later. Further studies are needed to investigate the possible link between clubfoot treatment and the later rupture of the Achilles tendon.</div></div>","PeriodicalId":100743,"journal":{"name":"JOS Case Reports","volume":"4 4","pages":"Pages 110-113"},"PeriodicalIF":0.0,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145610541","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