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The Role of Polar Axis Angle in Acetabular Component Positioning: A Case Report on Revision Total Hip Arthroplasty. 极轴角在髋臼假体定位中的作用：一例翻修全髋关节置换术。
JBJS case connector Pub Date : 2026-09-10 eCollection Date: 2026-07-01 DOI: 10.2106/JBJS.CC.25.00644
Taylor Stauffer, Young Dong Song, Alex Anatone, Andrew J Hughes, Peter K Sculco
{"title":"The Role of Polar Axis Angle in Acetabular Component Positioning: A Case Report on Revision Total Hip Arthroplasty.","authors":"Taylor Stauffer, Young Dong Song, Alex Anatone, Andrew J Hughes, Peter K Sculco","doi":"10.2106/JBJS.CC.25.00644","DOIUrl":"10.2106/JBJS.CC.25.00644","url":null,"abstract":"<p><strong>Case: </strong>A seventy-six-year-old woman with a prior total hip arthroplasty (THA) presented with instability requiring component revision. Seated imaging was used to understand functional component orientation in a position of high risk for posterior dislocation. Successful acetabular revision was performed using a polar axis angle (PAA)-driven approach to optimize postoperative stability. THA stability was maintained at 1-year and 2-year follow-up by imaging and clinical examination.</p><p><strong>Conclusion: </strong>This case report applies the novel concept of the PAA, a method for assessing the mechanical stability of hip prostheses, in preoperative planning for a revision THA secondary to instability. This report highlights the utility of the PAA to guide acetabular revision, reduce dislocation risk, and achieve favorable short-term clinical outcomes.</p>","PeriodicalId":14748,"journal":{"name":"JBJS case connector","volume":"16 3","pages":""},"PeriodicalIF":0.0,"publicationDate":"2026-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148930086","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
Delayed Complication of Near-Drowning Following a Car Crash: Spondylodiscitis by Scedosporium apiospermum: A Case Report. 车祸后溺水的延迟并发症：由顶精子隐孢子虫引起的脊柱炎1例报告。
JBJS case connector Pub Date : 2026-08-27 eCollection Date: 2026-07-01 DOI: 10.2106/JBJS.CC.26.00200
Jeroen D R Koning, Thomas P A Baltes, Leo Geeraedts, Frederike van Daalen, Erika van Elzakker, Agnita Stadhouder
{"title":"Delayed Complication of Near-Drowning Following a Car Crash: Spondylodiscitis by Scedosporium apiospermum: A Case Report.","authors":"Jeroen D R Koning, Thomas P A Baltes, Leo Geeraedts, Frederike van Daalen, Erika van Elzakker, Agnita Stadhouder","doi":"10.2106/JBJS.CC.26.00200","DOIUrl":"10.2106/JBJS.CC.26.00200","url":null,"abstract":"<p><strong>Case: </strong>A 20-year-old immunocompetent man developed spondylodiscitis 2 months after near-drowning with vehicular submersion. Scedosporium species identified in sputum during admission was initially considered colonization. Diagnosis was eventually confirmed through biopsy. Treatment with voriconazole was discontinued prematurely at 6 weeks due to an allergic reaction, but clinical recovery was favorable at 1-year follow-up.</p><p><strong>Conclusion: </strong>Approximately 15 cases of Scedosporium apiospermum spondylodiscitis have been reported, with a minority occurring in immunocompetent patients following near-drowning. This case highlights that pathogens identified after submersion should not be dismissed as colonization, as delayed invasive infection may occur even in immunocompetent individuals.</p>","PeriodicalId":14748,"journal":{"name":"JBJS case connector","volume":"16 3","pages":""},"PeriodicalIF":0.0,"publicationDate":"2026-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149136631","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
Isolated Flexor Hallucis Longus Weakness Caused by a Popliteal Ganglion Cyst Compressing the Tibial Nerve: A Case Report. 腘神经节囊肿压迫胫神经致孤立性拇长屈肌无力1例。
JBJS case connector Pub Date : 2026-08-26 eCollection Date: 2026-07-01 DOI: 10.2106/JBJS.CC.26.00246
Yohei Yanagisawa, Yusuke Eda, Naoya Kikuchi, Tomoki Koide, Shiho Kajita, Chihana Takamori, Matsuoka Ryota, Yasuhiro Homma
{"title":"Isolated Flexor Hallucis Longus Weakness Caused by a Popliteal Ganglion Cyst Compressing the Tibial Nerve: A Case Report.","authors":"Yohei Yanagisawa, Yusuke Eda, Naoya Kikuchi, Tomoki Koide, Shiho Kajita, Chihana Takamori, Matsuoka Ryota, Yasuhiro Homma","doi":"10.2106/JBJS.CC.26.00246","DOIUrl":"10.2106/JBJS.CC.26.00246","url":null,"abstract":"<p><strong>Case: </strong>A 43-year-old woman presented with left foot numbness and progressive difficulty flexing the great toe. Examination revealed isolated flexor hallucis longus (FHL) weakness. Plain radiographs of the left knee showed no degenerative changes. MRI showed a multiloculated ganglion cyst in the left popliteal fossa with increased FHL signal intensity, suggestive of denervation edema. Cyst aspiration resulted in immediate FHL recovery, but the cyst recurred 3 months later, and complete recovery was achieved after surgical excision. At the 3-year follow-up, the patient remained symptom-free with full FHL strength (MMT 5/5) and no cyst recurrence.</p><p><strong>Conclusion: </strong>An extraneural popliteal ganglion cyst can cause selective fascicular compression of the tibial nerve, resulting in isolated FHL weakness, with durable functional recovery achievable through surgical excision.</p>","PeriodicalId":14748,"journal":{"name":"JBJS case connector","volume":"16 3","pages":""},"PeriodicalIF":0.0,"publicationDate":"2026-08-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13506188/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148828932","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
Transverse Femoral Bone Transport for Refractory Diabetic Stump Ulceration: A Case Report. 股骨横移治疗难治性糖尿病残端溃疡1例报告。
JBJS case connector Pub Date : 2026-08-26 eCollection Date: 2026-07-01 DOI: 10.2106/JBJS.CC.26.00235
Alex Trompeter, Fabio Casero, Katie Hutchinson
{"title":"Transverse Femoral Bone Transport for Refractory Diabetic Stump Ulceration: A Case Report.","authors":"Alex Trompeter, Fabio Casero, Katie Hutchinson","doi":"10.2106/JBJS.CC.26.00235","DOIUrl":"10.2106/JBJS.CC.26.00235","url":null,"abstract":"<p><strong>Case: </strong>A 40-year-old woman with diabetes presented with a nonhealing, ischemic through-knee amputation stump. To avoid transfemoral amputation, we adapted the transverse bone transport technique for the femur, modifying the surgical procedure by using a tibial fixator. A dual-cycle cortical distraction protocol successfully induced local angiogenesis, transforming the avascular tissue into a granulating wound bed and allowing for primary closure and limb salvage.</p><p><strong>Conclusion: </strong>Previously described only in the tibia, this first application of transverse bone transport provides compelling early evidence, 8 months postoperatively, that distraction-induced angiogenesis is a feasible and promising limb-salvage strategy for refractory amputation stumps at the femoral level.</p>","PeriodicalId":14748,"journal":{"name":"JBJS case connector","volume":"16 3","pages":""},"PeriodicalIF":0.0,"publicationDate":"2026-08-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13506197/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148828943","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
Subacute Fungal Osteomyelitis Following Arthroscopic Meniscal Root Repair: A Case Report. 关节镜下半月板根修复后亚急性真菌性骨髓炎1例报告。
JBJS case connector Pub Date : 2026-08-21 eCollection Date: 2026-07-01 DOI: 10.2106/JBJS.CC.25.00493
Joseph A Magoline, John D Polousky, Steven A Magoline
{"title":"Subacute Fungal Osteomyelitis Following Arthroscopic Meniscal Root Repair: A Case Report.","authors":"Joseph A Magoline, John D Polousky, Steven A Magoline","doi":"10.2106/JBJS.CC.25.00493","DOIUrl":"https://doi.org/10.2106/JBJS.CC.25.00493","url":null,"abstract":"<p><strong>Case: </strong>A 70-year-old woman developed subacute tibial pain and recurrent drainage months after medial meniscal root repair (MRR). Magnetic resonance imaging (MRI) indicated a Brodie-type metaphyseal abscess tracking from the anteromedial portal. Polymerase chain reaction (PCR) identified Aspergillus versicolor. She underwent debridement with removal of retained suture and began oral voriconazole. At the 1-year follow-up, she demonstrated no evidence of residual infection and had returned to painless exercise.</p><p><strong>Conclusion: </strong>To the best of our knowledge, this represents the first reported case of fungal osteomyelitis after MRR. Elderly patients may have heightened risk of rare, deep infections after MRR. Surgeons considering MRR in older adults should be aware of atypical complications.</p>","PeriodicalId":14748,"journal":{"name":"JBJS case connector","volume":"16 3","pages":""},"PeriodicalIF":0.0,"publicationDate":"2026-08-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148793310","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
Temporary Cement Prosthesis as a Bridge After Control of Axillary Artery Hemorrhage in Proximal Humeral Fracture-Dislocation: A Case Report. 肱骨近端骨折脱位腋动脉出血控制后临时骨水泥假体作桥1例。
JBJS case connector Pub Date : 2026-08-21 eCollection Date: 2026-07-01 DOI: 10.2106/JBJS.CC.26.00155
Li Du, Weifeng Ni, Weitao Jia, Haijun Xiao
{"title":"Temporary Cement Prosthesis as a Bridge After Control of Axillary Artery Hemorrhage in Proximal Humeral Fracture-Dislocation: A Case Report.","authors":"Li Du, Weifeng Ni, Weitao Jia, Haijun Xiao","doi":"10.2106/JBJS.CC.26.00155","DOIUrl":"https://doi.org/10.2106/JBJS.CC.26.00155","url":null,"abstract":"<p><strong>Case: </strong>A 64-year-old woman underwent open reduction and internal fixation for four-part proximal humeral fracture-dislocation with palpable distal pulses. Upon dislocated head removal, life-threatening hemorrhage occurred from posterior circumflex humeral artery tear. Bleeding was controlled through packing, resuscitation, and open vascular repair. Owing to unavailable shoulder prosthesis and prolonged operative time, a temporary cement prosthesis with Steinmann pins was used. At the 3-year follow-up, partial function was restored with no loosening.</p><p><strong>Conclusion: </strong>This case highlights axillary branch injury masked by tamponade effect. When arthroplasty unavailable, temporary cement prosthesis serves as a creative salvage option-a novel emergency application.</p>","PeriodicalId":14748,"journal":{"name":"JBJS case connector","volume":"16 3","pages":""},"PeriodicalIF":0.0,"publicationDate":"2026-08-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148793280","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
Intraoperative Guidewire Breakage During Proximal Femoral Nailing Managed Through Direct Anterior Approach: A Case Report and Review of Literature. 经直接前路处理股骨近端髓内钉术中导丝断裂1例报告及文献复习。
JBJS case connector Pub Date : 2026-08-21 eCollection Date: 2026-07-01 DOI: 10.2106/JBJS.CC.26.00134
Sandeep Patel, Arjit Bansal, Prasoon Kumar, Ankit Dadra, Paluru Hemanth Kumar Reddy, Manoj Kumar
{"title":"Intraoperative Guidewire Breakage During Proximal Femoral Nailing Managed Through Direct Anterior Approach: A Case Report and Review of Literature.","authors":"Sandeep Patel, Arjit Bansal, Prasoon Kumar, Ankit Dadra, Paluru Hemanth Kumar Reddy, Manoj Kumar","doi":"10.2106/JBJS.CC.26.00134","DOIUrl":"https://doi.org/10.2106/JBJS.CC.26.00134","url":null,"abstract":"<p><strong>Case: </strong>We report a rare intraoperative complication during proximal femoral nailing for an intertrochanteric femur fracture in a 54-year-old male. During helical blade preparation, the guidewire migrated intra-articularly and fractured during withdrawal. Retention risked cartilage damage, while retrieval through the blade tract was unsuitable and threatened implant stability. With the nail in situ, safe surgical dislocation was not feasible. The fragment was successfully removed through an direct anterior approach. At 14 months follow-up the patient had returned to his pre injury activity level indicating excellent functional outcome.</p><p><strong>Conclusion: </strong>Anterior approach offers a safe, joint-preserving option for retrieval of intra-articular guidewire fragments while maintaining implant stability and femoral head vascularity.</p>","PeriodicalId":14748,"journal":{"name":"JBJS case connector","volume":"16 3","pages":""},"PeriodicalIF":0.0,"publicationDate":"2026-08-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148793285","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
Femoral Shaft Nonunion in Adult Type 3 Osteogenesis Imperfecta Managed With Patient-Specific 3-Dimensional Planning: A Case Report. 成人3型成骨不全的股骨干骨不连采用患者特异性三维规划治疗：1例报告。
JBJS case connector Pub Date : 2026-08-21 eCollection Date: 2026-07-01 DOI: 10.2106/JBJS.CC.26.00198
Ryan Le Jie Chiew, Yong Yao Tan, Yew Lok Woo
{"title":"Femoral Shaft Nonunion in Adult Type 3 Osteogenesis Imperfecta Managed With Patient-Specific 3-Dimensional Planning: A Case Report.","authors":"Ryan Le Jie Chiew, Yong Yao Tan, Yew Lok Woo","doi":"10.2106/JBJS.CC.26.00198","DOIUrl":"https://doi.org/10.2106/JBJS.CC.26.00198","url":null,"abstract":"<p><strong>Case: </strong>Osteogenesis imperfecta (OI) predisposes patients to fractures and nonunion due to poor bone quality and deformity. We report successful management of femoral shaft nonunion using patient-specific 3-dimensional (3D) planning in a patient with OI. A 30-year-old woman with type 3 OI presented with an atraumatic femoral fracture progressing to nonunion. There was a severe deformity with narrow canal that complicated fixation. Preoperative 3D modelling guided corrective osteotomy and intramedullary fixation. She achieved pain resolution, functional recovery, and radiographic union at 12 months postoperatively.</p><p><strong>Conclusion: </strong>Patient-specific 3D planning facilitates surgical decision-making and enables successful reconstruction in complex OI nonunion cases.</p>","PeriodicalId":14748,"journal":{"name":"JBJS case connector","volume":"16 3","pages":""},"PeriodicalIF":0.0,"publicationDate":"2026-08-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148793268","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
Avoiding Iatrogenic Axillary Artery Injury in Reverse Total Shoulder for Fracture: The Use of a Separate Axillary Incision: A Case Report. 避免医源性腋窝动脉损伤的反向全肩骨折：使用单独的腋窝切口：1例报告。
JBJS case connector Pub Date : 2026-08-21 eCollection Date: 2026-07-01 DOI: 10.2106/JBJS.CC.26.00145
Patrick M Wise, Douglas R Haase
{"title":"Avoiding Iatrogenic Axillary Artery Injury in Reverse Total Shoulder for Fracture: The Use of a Separate Axillary Incision: A Case Report.","authors":"Patrick M Wise, Douglas R Haase","doi":"10.2106/JBJS.CC.26.00145","DOIUrl":"https://doi.org/10.2106/JBJS.CC.26.00145","url":null,"abstract":"<p><strong>Case: </strong>A 71-year-old woman sustained a left proximal humerus fracture dislocation. Imaging demonstrated displacement of the humeral head medial to the axillary artery without initial injury. To avoid iatrogenic injury, a separate medial axillary incision was successfully used to remove the humeral head and then reverse total shoulder arthroplasty was performed through a deltopectoral approach. At 1 year, the patient had excellent range of motion and PROMIS Physical Function CAT (v2.0) score was 46.2.</p><p><strong>Conclusions: </strong>A separate medial axillary approach can be used to safely remove anterior/inferior humeral head fragments and avoid neurovascular injury in reverse total shoulder arthroplasty for proximal humerus fracture dislocations.</p>","PeriodicalId":14748,"journal":{"name":"JBJS case connector","volume":"16 3","pages":""},"PeriodicalIF":0.0,"publicationDate":"2026-08-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148793277","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
Chronic Osteomyelitis With Pathologic Tibia Fracture: Debridement and Fibular Tibialization in a Developing Country: A Case Report. 慢性骨髓炎伴病理性胫骨骨折：一个发展中国家的清创和腓骨胫骨固定一例报告。
JBJS case connector Pub Date : 2026-08-11 eCollection Date: 2026-07-01 DOI: 10.2106/JBJS.CC.26.00173
G Dillon Graham, Ainsley Bloomer, Johnson Mbise, Octavian Shirima, Reginal Shoo, Virginia Casey
{"title":"Chronic Osteomyelitis With Pathologic Tibia Fracture: Debridement and Fibular Tibialization in a Developing Country: A Case Report.","authors":"G Dillon Graham, Ainsley Bloomer, Johnson Mbise, Octavian Shirima, Reginal Shoo, Virginia Casey","doi":"10.2106/JBJS.CC.26.00173","DOIUrl":"10.2106/JBJS.CC.26.00173","url":null,"abstract":"<p><strong>Case: </strong>A 22-month-old previously healthy woman developed chronic tibial osteomyelitis. Debridement uncovered a 10-cm wound with necrotic tibia, and cultures grew Proteus mirabilis. Intravenous antibiotics transitioned to 6 weeks of oral therapy. Fibular tibialization was performed with K-wire fixation, followed by 2 weeks of postoperative antibiotics. Six-week radiographs showed early callus formation, and K-wires were removed. At the 1-year follow-up, she was fully healed with full knee and ankle range of motion and no pain.</p><p><strong>Conclusion: </strong>Fibular tibialization is a viable salvage option for significant tibial bone loss when grafting or transport is unfeasible.</p>","PeriodicalId":14748,"journal":{"name":"JBJS case connector","volume":"16 3","pages":""},"PeriodicalIF":0.0,"publicationDate":"2026-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148712446","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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