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Single-Stage Double-Level Osteotomy for Complex Cubitus Varus Involving the Humerus and Ulna: A Case Report. 累及肱骨、尺骨的复杂肘内翻单期双节段截骨术1例。
JBJS case connector Pub Date : 2026-06-18 eCollection Date: 2026-04-01 DOI: 10.2106/JBJS.CC.25.00712
Satoshi Miyamura, Ryoya Shiode, Toru Iwahashi, Natsuki Yamamoto, Tasuku Miyake, Hiroki Kondo, Tsuyoshi Murase, Hiroyuki Tanaka, Seiji Okada, Kunihiro Oka
{"title":"Single-Stage Double-Level Osteotomy for Complex Cubitus Varus Involving the Humerus and Ulna: A Case Report.","authors":"Satoshi Miyamura, Ryoya Shiode, Toru Iwahashi, Natsuki Yamamoto, Tasuku Miyake, Hiroki Kondo, Tsuyoshi Murase, Hiroyuki Tanaka, Seiji Okada, Kunihiro Oka","doi":"10.2106/JBJS.CC.25.00712","DOIUrl":"10.2106/JBJS.CC.25.00712","url":null,"abstract":"<p><strong>Case: </strong>A 15-year-old male baseball pitcher presented with progressive cubitus varus deformity after multiple childhood elbow fractures treated conservatively. Three-dimensional evaluation demonstrated multiplanar deformities involving both the humerus and ulna. A single-stage double-level osteotomy was performed using patient-specific cutting guides and custom-made plates. Postoperatively, alignment was restored, bone union was achieved without complications, and the patient returned to competitive sport at 5 months, remaining asymptomatic at 36 months of follow-up.</p><p><strong>Conclusion: </strong>Complex cubitus varus involving multiple skeletal segments may not be correctable with single-level osteotomy. Double-level osteotomy allows anatomical realignment while preserving elbow joint orientation, reliably achieved using three-dimensional patient-specific techniques.</p>","PeriodicalId":14748,"journal":{"name":"JBJS case connector","volume":"16 2","pages":""},"PeriodicalIF":0.0,"publicationDate":"2026-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148264438","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
Spinal Cord Stimulation Avoiding Deformity Fusion in an Osteoporotic Patient with Sagittal Imbalance: A Case Report. 脊髓刺激避免骨质疏松症矢状面不平衡患者畸形融合一例报告。
JBJS case connector Pub Date : 2026-06-05 eCollection Date: 2026-04-01 DOI: 10.2106/JBJS.CC.26.00160
Daigo Arimura, Akira Shinohara, Mitsuru Saito
{"title":"Spinal Cord Stimulation Avoiding Deformity Fusion in an Osteoporotic Patient with Sagittal Imbalance: A Case Report.","authors":"Daigo Arimura, Akira Shinohara, Mitsuru Saito","doi":"10.2106/JBJS.CC.26.00160","DOIUrl":"10.2106/JBJS.CC.26.00160","url":null,"abstract":"<p><strong>Case: </strong>A 78-year-old woman had gluteal pain radiating to both lateral thighs and calves and progressive neurogenic claudication. Imaging revealed osteoporotic thoracolumbar compression fractures, L4 spondylolisthesis with severe L4-5 stenosis, and sagittal kyphosis. Spinopelvic parameters were not measured, owing to extreme forward-flexed posture. Given the high risk of instrumentation failure and complications, spinal cord stimulation (SCS) was selected after initiating osteoporosis therapy. The pain improved, with pain relief and ambulatory function maintained at 18 months without surgery.</p><p><strong>Conclusion: </strong>SCS may be an alternative to fusion in selected osteoporotic patients with severe sagittal imbalance and lumbar radiculopathy.</p>","PeriodicalId":14748,"journal":{"name":"JBJS case connector","volume":"16 2","pages":""},"PeriodicalIF":0.0,"publicationDate":"2026-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148175908","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
Diagnostic Challenges in Oncogenic Osteomalacia due to Intracranial Phosphaturic Mesenchymal Tumor: A Case Report. 颅内磷化间充质肿瘤致癌性骨软化的诊断挑战：1例报告。
JBJS case connector Pub Date : 2026-06-05 eCollection Date: 2026-04-01 DOI: 10.2106/JBJS.CC.25.00529
Singanallur Palanivelayutham Sivakumar, Venkatesan Senthil Kannan, Shyam Duvuru, Mahshook Irfan, Jayaramaraju Dheenadhayalan, Shanmuganathan Rajasekaran
{"title":"Diagnostic Challenges in Oncogenic Osteomalacia due to Intracranial Phosphaturic Mesenchymal Tumor: A Case Report.","authors":"Singanallur Palanivelayutham Sivakumar, Venkatesan Senthil Kannan, Shyam Duvuru, Mahshook Irfan, Jayaramaraju Dheenadhayalan, Shanmuganathan Rajasekaran","doi":"10.2106/JBJS.CC.25.00529","DOIUrl":"10.2106/JBJS.CC.25.00529","url":null,"abstract":"<p><strong>Case: </strong>A 37-year-old man presented with multiple fragility fractures and profound weakness. Evaluation revealed hypophosphatemia and an elevated serum fibroblast growth factor-23. A Ga-68 DOTANOC PET-CT localized a phosphaturic mesenchymal tumor in the sphenoid bone. Surgical resection was performed with immunohistochemistry confirming the diagnosis and leading to rapid biochemical normalization. The patient showed progressive fracture healing and made a complete functional recovery by 12 months.</p><p><strong>Conclusion: </strong>Intracranial phosphaturic mesenchymal tumors are a rare cause of tumor-induced osteomalacia. This case underscores that in patients with unexplained fractures, systematic serum phosphate testing is critical. Functional imaging is essential for tumor localization, and complete surgical excision is curative.</p>","PeriodicalId":14748,"journal":{"name":"JBJS case connector","volume":"16 2","pages":""},"PeriodicalIF":0.0,"publicationDate":"2026-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148175895","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
Functional Limb Salvage After Landmine-Induced Hindfoot Injury Using a Composite Calcaneus-Achilles Allograft: A Case Report. 地雷致后足损伤后用跟-跟腱复合异体移植修复肢体功能一例报告。
JBJS case connector Pub Date : 2026-06-05 eCollection Date: 2026-04-01 DOI: 10.2106/JBJS.CC.26.00048
Ppuri Bak, Sung Yub Jeong, Joosuk Ahn, Kyoung Eun Kim, Jin Geun Kwon, Gi Ho Moon
{"title":"Functional Limb Salvage After Landmine-Induced Hindfoot Injury Using a Composite Calcaneus-Achilles Allograft: A Case Report.","authors":"Ppuri Bak, Sung Yub Jeong, Joosuk Ahn, Kyoung Eun Kim, Jin Geun Kwon, Gi Ho Moon","doi":"10.2106/JBJS.CC.26.00048","DOIUrl":"10.2106/JBJS.CC.26.00048","url":null,"abstract":"<p><strong>Case: </strong>A 22-year-old man soldier sustained a Gustilo-Anderson type IIIB hindfoot injury from a landmine blast. Initial limb salvage included polymethylmethacrylate spacer insertion, reverse sural flap, and external fixation. Definitive reconstruction used a composite calcaneus-Achilles tendon allograft and an anterolateral thigh flap with tensor fascia lata. By the 3-year follow-up, he regained full ambulatory function and independence in all daily living activities.</p><p><strong>Conclusion: </strong>Structural allograft reconstruction of the calcaneus and Achilles tendon can be a viable limb salvage option for blast injuries, facilitating functional recovery and independence when traditional approaches may lead to amputation or long-term disability.</p>","PeriodicalId":14748,"journal":{"name":"JBJS case connector","volume":"16 2","pages":""},"PeriodicalIF":0.0,"publicationDate":"2026-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148175931","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
Progressive Osteochondral Defect of the Medial Femoral Condyle in a Collegiate Football Player: A Case Report. 大学橄榄球运动员股骨内侧髁进行性骨软骨缺损一例报告。
JBJS case connector Pub Date : 2026-06-05 eCollection Date: 2026-04-01 DOI: 10.2106/JBJS.CC.25.00447
Ryan C Rizk, Joseph S Geller, Michael J Wilk, Michael I Letter, Lee D Kaplan
{"title":"Progressive Osteochondral Defect of the Medial Femoral Condyle in a Collegiate Football Player: A Case Report.","authors":"Ryan C Rizk, Joseph S Geller, Michael J Wilk, Michael I Letter, Lee D Kaplan","doi":"10.2106/JBJS.CC.25.00447","DOIUrl":"10.2106/JBJS.CC.25.00447","url":null,"abstract":"<p><strong>Case: </strong>A 21-year-old male Division I American football wide receiver presented with atraumatic anteromedial left knee pain. Initial MRI revealed no osteochondral defect, and he was treated conservatively. As symptoms worsened, serial MRI revealed a progressive medial femoral condyle lesion with subchondral depression. He subsequently underwent an osteochondral allograft transplantation and achieved a full recovery. The time from initial presentation to diagnosis was approximately 7 months.</p><p><strong>Conclusion: </strong>Progressive osteochondral defects may not be visible on initial MRI. In athletes with persistent knee pain, clinical suspicion and serial imaging are important for preventing delayed diagnosis and optimizing outcomes.</p>","PeriodicalId":14748,"journal":{"name":"JBJS case connector","volume":"16 2","pages":""},"PeriodicalIF":0.0,"publicationDate":"2026-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148175951","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
Spinal Astrocytoma with Brachial Plexus-like Presentation: A Report of 2 Cases. 以臂丛样表现的脊柱星形细胞瘤附2例报告。
JBJS case connector Pub Date : 2026-06-05 eCollection Date: 2026-04-01 DOI: 10.2106/JBJS.CC.25.00653
Keenan Sobol, Scott Kozin, Natalie Williams, Emily Nice, Mariarita Santi, Eugene Park
{"title":"Spinal Astrocytoma with Brachial Plexus-like Presentation: A Report of 2 Cases.","authors":"Keenan Sobol, Scott Kozin, Natalie Williams, Emily Nice, Mariarita Santi, Eugene Park","doi":"10.2106/JBJS.CC.25.00653","DOIUrl":"10.2106/JBJS.CC.25.00653","url":null,"abstract":"<p><strong>Case: </strong>We present 2 cases of spinal astrocytoma in infants mistaken for brachial plexus birth injuries (BPBI). (1) A 5-month-old infant had upper-extremity weakness resembling a global plexus injury. An magnetic resonance imaging (MRI) and biopsy revealed a low-grade cervical astrocytoma. The patient underwent chemotherapy with partial recovery of upper extremity motor function. (2) A 5-month-old infant had upper-extremity weakness resembling upper trunk BPBI. MRI and biopsy revealed pilocystic astrocytoma. The patient underwent spinal decompression and proton therapy but did not regain function.</p><p><strong>Conclusion: </strong>A high degree of suspicion for neoplasia in the setting of presumed brachial plexus birth injury can prevent incorrect diagnosis allow timely treatment.</p>","PeriodicalId":14748,"journal":{"name":"JBJS case connector","volume":"16 2","pages":""},"PeriodicalIF":0.0,"publicationDate":"2026-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148175901","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
Open Reduction and Internal Fixation of a Distal Humerus Fracture Through an Elbow Pseudoarticulation After Untreated Pediatric Dislocation: A Case Report. 儿童脱位后经肘关节假关节切开复位内固定肱骨远端骨折1例报告。
JBJS case connector Pub Date : 2026-06-05 eCollection Date: 2026-04-01 DOI: 10.2106/JBJS.CC.25.00588
Marc Schmid, Sotirios Ntaoulas, Yannik Da Silva, Michael Dietrich
{"title":"Open Reduction and Internal Fixation of a Distal Humerus Fracture Through an Elbow Pseudoarticulation After Untreated Pediatric Dislocation: A Case Report.","authors":"Marc Schmid, Sotirios Ntaoulas, Yannik Da Silva, Michael Dietrich","doi":"10.2106/JBJS.CC.25.00588","DOIUrl":"10.2106/JBJS.CC.25.00588","url":null,"abstract":"<p><p>An 89-year-old man presented with right elbow pain after a low-energy fall. At age 2 years, he sustained an untreated distal humeral fracture dislocation, which resulted in progressive remodeling and formation of a functional pseudoarticulation. Despite permanent deformity, he maintained stable functional motion for decades and performed heavy manual labor. Imaging revealed a displaced distal humeral fracture through the chronically remodeled elbow. Open reduction and internal fixation with a variable-angle locking plate was performed, while the pseudoarticulation was intentionally left untreated. The patient regained his preinjury functional baseline.</p><p><strong>Conclusion: </strong>Fracture treatment should consider the clinical relevance of pre-existing but functional musculoskeletal abnormalities.</p>","PeriodicalId":14748,"journal":{"name":"JBJS case connector","volume":"16 2","pages":""},"PeriodicalIF":0.0,"publicationDate":"2026-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148175971","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
Biomimetic Hematoma Enables Healing in Complex Periprosthetic Fracture Nonunion with Multiple Comorbidities: A Case Report. 仿生血肿使具有多重合并症的复杂假体周围骨折不愈合：1例报告。
JBJS case connector Pub Date : 2026-06-05 eCollection Date: 2026-04-01 DOI: 10.2106/JBJS.CC.26.00065
Adam Maestas, Vaida Glatt, Joseph F Alderete
{"title":"Biomimetic Hematoma Enables Healing in Complex Periprosthetic Fracture Nonunion with Multiple Comorbidities: A Case Report.","authors":"Adam Maestas, Vaida Glatt, Joseph F Alderete","doi":"10.2106/JBJS.CC.26.00065","DOIUrl":"10.2106/JBJS.CC.26.00065","url":null,"abstract":"<p><strong>Case: </strong>An 80-year-old women with multiple comorbidities and a history of revision total knee arthroplasty presented with a periprosthetic tibial nonunion and severe varus deformity. She underwent dual-plate fixation with a biomimetic hematoma (BH) scaffold delivering recombinant human bone morphogenetic protein-2 (rhBMP-2) to manage oligotrophic nonunion. Radiographs confirmed complete union at 4 months. Following surgery and tirzepatide initiation, she progressed from wheelchair dependence to full weight bearing with walker assistance at 1 year, achieving a 75-pound weight loss.</p><p><strong>Conclusion: </strong>The BH delivering low-dose rhBMP-2 enabled successful bone healing and functional recovery in a medically complex patient, highlighting its potential in the treatment of challenging periprosthetic nonunions.</p>","PeriodicalId":14748,"journal":{"name":"JBJS case connector","volume":"16 2","pages":""},"PeriodicalIF":0.0,"publicationDate":"2026-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148175939","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
Median Nerve Injury and Repair After Pediatric Elbow Dislocation Without an Associated Fracture: A Case Report. 儿童肘关节脱位后正中神经损伤及修复：1例报告。
JBJS case connector Pub Date : 2026-06-05 eCollection Date: 2026-04-01 DOI: 10.2106/JBJS.CC.26.00114
Nicholas Reiners, Caroline Hu, Michelle Frees, Ann Van Heest
{"title":"Median Nerve Injury and Repair After Pediatric Elbow Dislocation Without an Associated Fracture: A Case Report.","authors":"Nicholas Reiners, Caroline Hu, Michelle Frees, Ann Van Heest","doi":"10.2106/JBJS.CC.26.00114","DOIUrl":"10.2106/JBJS.CC.26.00114","url":null,"abstract":"<p><strong>Case: </strong>A 9-year-old boy presented with a severe median nerve palsy 6 months after a simple elbow dislocation. Neurotmesis was confirmed on surgical exploration, and it was repaired primarily in elbow flexion with the arm casted postoperatively. At 1-year follow-up from surgery, the patient reported near normal sensory improvement with motor deficits that did not affect his full return to activities.</p><p><strong>Conclusion: </strong>The median nerve neurotmesis after elbow dislocation without an associated fracture is rare. This case highlights the importance of careful neurologic examination in children sustaining simple elbow dislocations and surgical exploration if there is evidence of severe injury.</p>","PeriodicalId":14748,"journal":{"name":"JBJS case connector","volume":"16 2","pages":""},"PeriodicalIF":0.0,"publicationDate":"2026-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148175946","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
Latissimus Dorsi Transfer and Anterior Capsular Reconstruction for Subscapularis and Pectoralis Major Tears: A Case Report. 背阔肌转移及前囊重建术治疗肩胛下肌和胸大肌撕裂1例。
JBJS case connector Pub Date : 2026-06-05 eCollection Date: 2026-04-01 DOI: 10.2106/JBJS.CC.25.00733
Joanne Y Zhou, Sameer R Khawaja, Nicole L Greene, Krishna N Chopra, Zaamin B Hussain, Michael B Gottschalk, Eric R Wagner
{"title":"Latissimus Dorsi Transfer and Anterior Capsular Reconstruction for Subscapularis and Pectoralis Major Tears: A Case Report.","authors":"Joanne Y Zhou, Sameer R Khawaja, Nicole L Greene, Krishna N Chopra, Zaamin B Hussain, Michael B Gottschalk, Eric R Wagner","doi":"10.2106/JBJS.CC.25.00733","DOIUrl":"10.2106/JBJS.CC.25.00733","url":null,"abstract":"<p><strong>Case: </strong>A 48-year-old right-hand dominant man presented with a 3-year history of right pectoralis major (PM) and subscapularis tears and failed arthroscopic subscapularis repair 1 year prior. He endured pain, weakness in internal rotation, and limited motion. Owing to marked anterior soft tissue deficiency, he underwent open chronic subscapularis reconstruction with latissimus dorsi (LD) tendon transfer, anterior capsular reconstruction (ACR), and PM reconstruction with Achilles tendon allograft. At 1 year postoperative, he reported no pain, good functional improvement, and excellent satisfaction.</p><p><strong>Conclusion: </strong>LD tendon transfer and ACR are useful augments in repairing chronic subscapularis tears with anterior soft tissue insufficiency.</p><p><strong>Level of evidence: </strong>V.</p>","PeriodicalId":14748,"journal":{"name":"JBJS case connector","volume":"16 2","pages":""},"PeriodicalIF":0.0,"publicationDate":"2026-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148175883","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
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