Ajit S Rathod, Jaideep Das, Sudhir Warrier, Santosh D Ghoti, Mohammed A Sohiel, Dharya H Pimpale
{"title":"Chondromyxoid Fibroma of the Right Thumb: Successful Management with Wide Local Excision, Iliac Crest Bone Grafting and K-Wiring - A Rare Case Report.","authors":"Ajit S Rathod, Jaideep Das, Sudhir Warrier, Santosh D Ghoti, Mohammed A Sohiel, Dharya H Pimpale","doi":"10.13107/jocr.2026.v16.i04.7084","DOIUrl":"https://doi.org/10.13107/jocr.2026.v16.i04.7084","url":null,"abstract":"<p><strong>Introduction: </strong>Chondromyxoid fibroma (CMF) is a rare, benign cartilaginous tumor that typically affects long bones but rarely involves the small bones of the hand. This case report presents a unique occurrence of CMF in the right thumb, managed through surgical resection, K-wiring, and iliac crest bone grafting (ICBG).</p><p><strong>Case report: </strong>A 51-year-old male presented to our facility with complaints of pain and swelling at the base of his right thumb, persisting for 2 months. The pain was initially managed with home remedies. However, the patient noted progressive swelling after 1 month, prompting him to seek medical attention. Physical examination and imaging studies revealed a mass involving the first metacarpal.A lazy-S incision was made over the affected area. Wide local excision of the tumor in the 1st metacarpal with preservation of endplates, along with the involved first metacarpal, was performed. A tri-cortical graft from the iliac crest, shaped to match the defect, was then placed, and stabilization was achieved using four K-wires under C-arm guidance in a cross configuration.CMF in the hand is rare, and its presence in the thumb poses unique challenges for both diagnosis and treatment. While CMF is typically benign, its local recurrence rate warrants careful surgical planning and follow-up. Resection with structural grafting and K-wire fixation in this case allowed for effective restoration of thumb stability and function.</p><p><strong>Conclusion: </strong>This case demonstrates successful management of thumb CMF through wide local excision of the tumor of the 1st metacarpal with preservation of endplates, tri-cortical ICBG, and K-wire fixation. The patient is expected to regain functional use of the thumb, emphasizing the importance of tailored surgical approaches in rare tumor presentations.</p>","PeriodicalId":16647,"journal":{"name":"Journal of Orthopaedic Case Reports","volume":"16 4","pages":"183-188"},"PeriodicalIF":0.0,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13062358/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147674221","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}
Sri Harsha Reddy, J K Giriraj Harshavardhan, Sundar Suriyakumar, M Mohammed Tavfiq
{"title":"A Rare Case of Left Femoral Neck Fracture in a 6-Year-Old Boy with Osteopetrosis.","authors":"Sri Harsha Reddy, J K Giriraj Harshavardhan, Sundar Suriyakumar, M Mohammed Tavfiq","doi":"10.13107/jocr.2026.v16.i04.7094","DOIUrl":"https://doi.org/10.13107/jocr.2026.v16.i04.7094","url":null,"abstract":"<p><strong>Introduction: </strong>Pathological femoral neck fractures are rare but significant injuries in children with osteopetrosis and pose unique management challenges. Optimal treatment strategies remain controversial, particularly in skeletally immature patients with open physes.</p><p><strong>Case report: </strong>We report a rare case of a 6-year-old boy with osteopetrosis who sustained a pathological fracture of the left femoral neck following trivial trauma. The child was managed with closed reduction and physeal-sparing internal fixation using cannulated cancellous screws, followed by hip spica immobilization. Although fracture union was achieved, the patient subsequently developed slippage of the capital femoral epiphysis, resulting in a painless limp and limb length discrepancy.</p><p><strong>Conclusion: </strong>This case highlights the importance of fixation strategy in pathological pediatric femoral neck fractures and suggests that crossing the physis may be necessary to prevent late epiphyseal slippage.</p>","PeriodicalId":16647,"journal":{"name":"Journal of Orthopaedic Case Reports","volume":"16 4","pages":"216-219"},"PeriodicalIF":0.0,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13062407/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147674249","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}
Jayanth Kumar, Mason Fawcett, Musab Gulzar, Andres Lopez, Julie Shaner
{"title":"Extended Antibiotic Spacer use in an Infected Total Knee Arthroplasty with Mycobacterium intracellulare - A Case Report.","authors":"Jayanth Kumar, Mason Fawcett, Musab Gulzar, Andres Lopez, Julie Shaner","doi":"10.13107/jocr.2026.v16.i04.7020","DOIUrl":"https://doi.org/10.13107/jocr.2026.v16.i04.7020","url":null,"abstract":"<p><strong>Introduction: </strong>Mycobacterium infections are a rare but devastating cause of prosthetic joint infection (PJI). Most cases of non-tuberculous mycobacteria infections occur in immunocompromised hosts, a population increasing with the use of immunosuppressive medications such as biologics. We describe a unique case of a healthy patient with an infected total knee arthroplasty (TKA) found to be colonized by the rare Mycobacterium avium intracellulare, who ultimately had an antibiotic spacer retained for 18 months before second-stage revision surgery.</p><p><strong>Case report: </strong>The patient was an immunocompetent 41-year-old female with an infected TKA with the rare Mycobacterium avium intracellulare infection. She ultimately needed a two-stage revision surgery, where she had a retained antibiotic spacer for an extended period of 18 months before reimplantation surgery.</p><p><strong>Conclusion: </strong>Mycobacterium intracellulare is a very rare organism seen with infection of total joint arthroplasty. Careful workup and infection management are critical to providing the best patient results. Antibiotic spacers are very useful in managing infected total joint arthroplasties. Ultimately, prolonged antibiotic spacer usage can be an effective strategy for orthopedic surgeons to address rare organisms with infected total joint arthroplasties.</p>","PeriodicalId":16647,"journal":{"name":"Journal of Orthopaedic Case Reports","volume":"16 4","pages":"14-18"},"PeriodicalIF":0.0,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13062355/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147674304","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}
{"title":"Migration of Two Broken K-wires into the Cervical Region following Lateral End Clavicle Fixation: A Rare Case Report and Literature Review.","authors":"Sujit Kumar Tripathy, Shahnawaz Khan, Hrudeswar Behera, Gandharav Mehta, Dillip Kumar Sasmal, Mantu Jain","doi":"10.13107/jocr.2026.v16.i04.7126","DOIUrl":"https://doi.org/10.13107/jocr.2026.v16.i04.7126","url":null,"abstract":"<p><strong>Introduction: </strong>Kirschner wires (K-wires) are commonly used in orthopedic fixation, but their potential for migration can lead to serious complications.</p><p><strong>Case report: </strong>We present a rare case of a middle-aged male who reported persistent right-sided neck and shoulder pain 3 years following surgery for a lateral end clavicle fracture. Imaging revealed two broken K-wire fragments - one in the right supraclavicular region and another in the posterior neck musculature. The wires were successfully removed through a posterior neck surgical approach with the help of an otorhinologist, and the patient had complete symptomatic resolution postoperatively.</p><p><strong>Conclusion: </strong>This case underscores the unusual scenario of dual K-wire migration into the cervical region without neurological involvement. It highlights the critical importance of timely hardware removal and cautious use of unthreaded K-wires in mobile joints such as the acromioclavicular joint. Clinicians must be vigilant about potential wire migration, especially in patients with unexplained persistent pain post-surgery. Early detection and multidisciplinary surgical management are key to preventing catastrophic outcomes.</p>","PeriodicalId":16647,"journal":{"name":"Journal of Orthopaedic Case Reports","volume":"16 4","pages":"297-302"},"PeriodicalIF":0.0,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13062389/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147674355","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}
{"title":"Primary Hemiarthroplasty for Management of Femoral Neck Fracture in a Patient with Ipsilateral Below-Knee Amputation: A Case Report with Review of Literature.","authors":"Gowtham Sushruth, Sudhir Shankar Mane, Murali Krishna","doi":"10.13107/jocr.2026.v16.i04.7128","DOIUrl":"https://doi.org/10.13107/jocr.2026.v16.i04.7128","url":null,"abstract":"<p><strong>Introduction: </strong>Femoral neck fractures in lower limb amputees are uncommon. Technical difficulties include patient positioning, stump manipulation, and poor bone quality due to osteoporosis. We report the case of a 55-year-old woman with a femoral neck fracture and an ipsilateral below-knee amputation (BKA), managed with hemiarthroplasty.</p><p><strong>Case report: </strong>The patient was diagnosed with a femoral neck fracture on the right side after she had a fall at home. She had undergone BKA due to complications of a diabetic foot 9 months earlier. We performed uncemented hemiarthroplasty with an Austin-Moore prosthesis using the posterior approach. No special devices or maneuvers were required for the manipulation of the stump during surgery. The post-operative period was uneventful, and the patient began weight-bearing with a walker and prosthetic limb about 10 days after surgery. Throughout the 25-month follow-up period, no clinical or radiological complications related to the hemiarthroplasty were identified, and her final Hip Disability and Osteoarthritis Outcome Score, Joint Replacement (HOOS, JR) score improved to 80.55. The patient succumbed to breast cancer 1 month following the most recent follow-up.</p><p><strong>Conclusion: </strong>Hemiarthroplasty remains a reliable option for managing femoral neck fractures in below-knee amputees. However, difficulties in limb manipulation must be anticipated. Gentle handling and meticulous surgical technique are critical in avoiding iatrogenic complications.</p>","PeriodicalId":16647,"journal":{"name":"Journal of Orthopaedic Case Reports","volume":"16 4","pages":"303-308"},"PeriodicalIF":0.0,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13062418/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147674382","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}
{"title":"Non-neoplastic Orthopedic Pathology - A Systematic Review.","authors":"Anusha Palaniswamy, Karthik Shunmugavelu, Evangeline Cynthia Dhinakaran","doi":"10.13107/jocr.2026.v16.i04.7176","DOIUrl":"https://doi.org/10.13107/jocr.2026.v16.i04.7176","url":null,"abstract":"<p><strong>Introduction: </strong>From inflammatory to neoplastic disorders, a variety of pathological bone lesions can manifest. Only 0.5% of all cancer kinds are bone tumors, making them comparatively rare. Cartilaginous, osteoid, fibrous, and bone marrow components make up bone. Benign or malignant tumors can develop in any tissue. Most of the current research focuses on uncommon tumors and their even less frequent molecular events, even though the ordinary surgical pathologist evaluates significantly more non-neoplastic orthopedic pathology on a regular basis. Our observations from concentrated seminars and consultations strongly suggest that a knowledge and diagnosis gap still exists in certain non-neoplastic orthopedic disorders. Revision arthroplasty and the assessment of infection in periprosthetic joints are among the most common intraoperative consultations conducted in the United States, both in academic and private facilities. In this technique, pathologists are essential because they assist in evaluating intraoperatively whether patients need antibiotic spacers before reimplantation. Since they (and their surgeons) wrongly think that a thorough pathological evaluation yields little therapeutically important information, several pathology departments have stopped examining arthroplasty specimens. Bone tumor-like lesions are those that resemble tumors in appearance and cytogenetics but exhibit clinical behavior that suggests they are not malignant. Tumor-like bony lesions are significant because they are widespread and resemble real bone tumors, including malignant lesions, on radiographs.</p><p><strong>Materials and methods: </strong>Major databases such as Medline were explored detailed literature search in resulting in a systematic review pertaining to non-neoplastic orthopedic pathology updates: Common problems and pitfalls and how to avoid them.</p><p><strong>Results: </strong>Six original research scientific articles dated between 2020 and 2024 pertaining to mentioned topic were highlighted.</p><p><strong>Conclusion: </strong>Although primary musculoskeletal neoplasms account for <1% of all musculoskeletal surgical pathology cases, they are disproportionately emphasized in the surgical pathology literature compared to non-neoplastic orthopedic pathology. Detailed information regarding the non-neoplastic orthopedic pathology updates: common problems and pitfalls and how to avoid them is discussed in this systematic review.</p>","PeriodicalId":16647,"journal":{"name":"Journal of Orthopaedic Case Reports","volume":"16 4","pages":"459-465"},"PeriodicalIF":0.0,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13062385/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147674420","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}
{"title":"Pediatric Hip Pathology in Eastern India. A Cross-sectional Study on Types and Incidence.","authors":"Abhishek Kumar, Ritesh Runu, Santosh Kumar, Nishant Kashyap, Abhijeet Subhash, Himanshu Shekhar","doi":"10.13107/jocr.2026.v16.i04.7170","DOIUrl":"https://doi.org/10.13107/jocr.2026.v16.i04.7170","url":null,"abstract":"<p><strong>Introduction: </strong>Hip disorders in children are a diverse group of conditions that may arise due to traumatic, developmental, infectious, neoplastic, metabolic, and miscellaneous causes. These pathologies can lead to significant morbidity if undiagnosed and not treated promptly, resulting in permanent deformities, gait abnormalities, chronic pain, and compromised quality of life.</p><p><strong>Objectives: </strong>The objective of the study was to determine the relative incidence and spectrum of various hip pathologies in pediatric patients (aged <16 years) presenting to a major tertiary care Center in Eastern India and to analyze the demographic and clinical presentation patterns.</p><p><strong>Materials and methods: </strong>This study was approved by the Ethics Committee of Indira Gandhi Institute of Medical Sciences (IGIMS) PATNA (Ethics Code: 989/IEC/IGIMS/2023) on April 10, 2023. All participants provided written informed consent before enrolment in the study. This research was conducted ethically in accordance with the World Medical Association Declaration of Helsinki. This was a prospective, observational, and non-randomized study conducted over 18 months at the Department of Orthopedics, IGIMS, Patna. A total of 120 patients with exclusive hip pathology were included after screening 5,830 pediatric patients. Data collected included demographics, clinical presentation (pain, limp, fever, etc.), and final diagnosis based on clinical, radiological, and biochemical assessments.</p><p><strong>Results: </strong>The overall incidence of hip pathology among children reporting to the Orthopedics department was 2.05% (120 out of 5830). Non-traumatic conditions (87%) significantly outnumbered traumatic conditions (13.34%). The most common diagnoses were: Perthes' disease (31.93%), followed by Infective Arthritis (24.16%) and developmental dysplasia of the hip (DDH) (15.9%). The highest frequency of cases was observed in the 5-11 years age group (44.53%) and in males (63%). Perthes' disease showed a strong male preponderance (84% males), while DDH was predominant in females (73.68%). Limp (70.83%) and pain (57.5%) were the most common presenting symptoms. A significant proportion of patients with DDH (68.4%) and Septic Arthritis (86.97%) presented late.</p><p><strong>Conclusion: </strong>Perthes' disease, infective arthritis, and DDH are the most prevalent hip pathologies in this region of Eastern India. The high rates of infective conditions and late presentations for both DDH and septic arthritis highlight critical gaps in early diagnosis, screening, and referral systems in the primary healthcare infrastructure. Region-specific management protocols and increased public health awareness are urgently needed.</p>","PeriodicalId":16647,"journal":{"name":"Journal of Orthopaedic Case Reports","volume":"16 4","pages":"435-445"},"PeriodicalIF":0.0,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13062375/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147674434","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}
{"title":"Multifocal Non-contiguous Spinal Tuberculosis: A Report of 3 Surgically-Treated Patients.","authors":"Vibhu Krishnan Viswanathan, Malmarugan Ramachandran, Sathish Muthu, Gopalakannan Sivakumar, Annamalai Devadoss, Sathish Devadoss","doi":"10.13107/jocr.2026.v16.i04.7082","DOIUrl":"https://doi.org/10.13107/jocr.2026.v16.i04.7082","url":null,"abstract":"<p><strong>Introduction: </strong>Multifocal non-contiguous spinal tuberculosis (MSTB) is a rare pathology, often described as a manifestation of delayed presentation, neglected illness, or disease in immunocompromised individuals. The non-contiguous spread is attributed to the valveless nature of venous drainage to the spinal column. This unique vascularity enables the infection to spread randomly across different spinal regions. These atypical presentations can cause a diagnostic dilemma and may be confused with neoplastic pathologies. MSTB is also associated with a higher incidence of neurological adversities.</p><p><strong>Case report: </strong>This report describes the experience with three patients (ages 22-45) presenting with progressive neurological deficits and back pain. None of the patients had a prior tuberculosis (TB) history. Magnetic resonance imaging revealed multifocal, non-contiguous spinal lesions involving the cervical, thoracic, and lumbar segments, showing vertebral destruction and cord compression. All patients underwent aggressive surgical intervention, including multilevel decompression, debridement, and long-segment stabilisation. The diagnosis of spinal TB was confirmed by histopathology and cartridge-based nucleic acid amplification test. Following surgery and supervised anti-tubercular therapy, all patients demonstrated neurological recovery.</p><p><strong>Conclusion: </strong>MSTB without pulmonary involvement is rare. This series emphasizes that a combination of early diagnosis, aggressive surgical management, and tailored chemotherapy can lead to favorable outcomes. The cases highlight the importance of recognising atypical spinal TB presentations and adopting a multidisciplinary treatment approach.</p>","PeriodicalId":16647,"journal":{"name":"Journal of Orthopaedic Case Reports","volume":"16 4","pages":"176-182"},"PeriodicalIF":0.0,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13062207/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147674439","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}
{"title":"Next-Generation Techniques in Orthopaedic Teaching and Learning.","authors":"Madhan Jeyaraman, Naveen Jeyaraman, Arulkumar Nallakumarasamy, Ashok Shyam","doi":"10.13107/jocr.2026.v16.i04.7016","DOIUrl":"https://doi.org/10.13107/jocr.2026.v16.i04.7016","url":null,"abstract":"","PeriodicalId":16647,"journal":{"name":"Journal of Orthopaedic Case Reports","volume":"16 4","pages":"4-8"},"PeriodicalIF":0.0,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13062324/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147674446","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}
{"title":"Symptomatic Accessory Ossicle Near the Medial Malleolus Simulating Fracture Non-union: A Case Report and Literature Review.","authors":"Rajesh K Rajnish, Akshant Chandel, Sandeep Kumar Yadav, Abhay Elhence, Prabodh Kantiwal, Kartikey Dubey","doi":"10.13107/jocr.2026.v16.i04.7110","DOIUrl":"https://doi.org/10.13107/jocr.2026.v16.i04.7110","url":null,"abstract":"<p><strong>Introduction: </strong>Accessory ossicles of the ankle and foot are normal anatomical variants that are usually asymptomatic. The os subtibiale is a rare accessory ossicle located just inferior to the medial malleolus, with a reported prevalence of 0.9-1.2% in the general population. When symptomatic, it can mimic fractures or fracture non-union, leading to diagnostic confusion. Accurate diagnosis relies on careful clinical evaluation and appropriate imaging.</p><p><strong>Case report: </strong>A 20-year-old male presented with persistent pain around the right ankle, 7 months after sustaining a twisting injury while walking. He was initially treated by a local bonesetter and presented late to our facility with unresolved symptoms. Clinical and radiological evaluation initially suggested a medial malleolus fracture non-union. However, further imaging revealed a well-corticated, smooth-margined bone fragment inferior to the medial malleolus, consistent with a symptomatic os subtibiale. The patient underwent open excision of the ossicle under spinal anesthesia. Intraoperative findings confirmed the diagnosis. Postoperatively, ankle range of motion and weight-bearing were initiated as tolerated. At the 1-year follow-up, the patient was pain-free and had regained full ankle function.</p><p><strong>Conclusion: </strong>This case highlights the importance of differentiating between a medial malleolus fracture non-union and a symptomatic os subtibiale, particularly in patients presenting late after ankle trauma. Awareness of this rare entity and its imaging characteristics is crucial to avoid misdiagnosis and ensure appropriate management, leading to excellent clinical outcomes.</p>","PeriodicalId":16647,"journal":{"name":"Journal of Orthopaedic Case Reports","volume":"16 4","pages":"252-257"},"PeriodicalIF":0.0,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13062423/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147674471","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}