This case describes an early adolescent boy with severe pectus carinatum, managed with a complex surgical approach after bracing was deemed unfeasible. A multidisciplinary team collaborated, using advanced three-dimensional (3D) imaging, digital segmentation and a patient-specific 3D-printed model […]

Orbital metastases are very rare, particularly as an initial presentation feature of occult breast cancer. This is a case of orbital metastasis from an occult lobular breast carcinoma in a woman in her mid-70s, who presented with symptoms of gradual visual deterioration. Prompt and extensive […]

To systematically compare and meta-analyse the clinical efficacy of open and arthroscopic debridement for patients with lateral epicondylitis./r/nA retrieval and systematic review of comparative studies of lateral epicondylitis treated with open versus arthroscopic debridement was conducted, and […]

: This meta-analysis aimed to compare the efficacy of polydioxanone (PDO) suture, a non-surgical treatment for knee osteoarthritis, with intra-articular hyaluronic acid (HA) injections. : A comprehensive literature search was conducted using major databases including MEDLINE, EMBASE, Cochrane […]

The present meta-analysis compared mechanical versus kinematic alignment in total knee arthroplasty (TKA). The outcomes of interest were patient-reported outcome measures (PROMs), range of motion (ROM), and revision rate./r/nThis study was conducted according to the 2020 PRISMA statement. In July […]

Radiocarpal dislocation (RCD) is a rare but severe injury, often resulting from high-energy trauma such as motor vehicle accidents and falls. This study aims to synthesize existing case reports and series to provide insights into the epidemiology, associated injuries, and management strategies for […]

To evaluate the effectiveness of thoracic spine thrust manipulation in managing shoulder impingement syndrome./r/nThe meta-analysis was conducted from April 25 to November 5, 2023, after approval from the ethics review board of the University of Lahore, Lahore, Pakistan, and comprised a […]

The Reverdin-Isham osteotomy via minimal incision is a prominent option for the surgical treatment of hallux valgus, a foot deformity characterized by medial deviation of the first metatarsal and lateral deviation of the first toe. This technique is particularly indicated for cases with an elevated […]

Muscle injuries, particularly those resulting from irregular bouts of strenuous exercise, have become a significant public health issue, especially among the athletic population. The physiological mechanisms linking intense physical exertion to muscle damage remain incompletely understood, […]

To systematically review the association between hip adduction and abduction strength, and adduction-to-abduction strength ratio in healthy athletes with the occurrence of future groin pain and time-loss groin injuries./r/nSystematic review with meta-analysis./r/nPubMed, Web of Science, […]

Refracture accompanied by nail bending in healed or unhealed femoral fractures is a rare complication, and its removal is challenging intraoperatively. A man in his mid-20s presented to the emergency department with a deformed thigh with a puncture wound in a below-knee amputee limb following a […]

Post-traumatic distal tibiofibular synostosis (DTFS) is a rare complication following distal tibiofibular fracture treatment in pediatric patients. Hence, there is a paucity of literature on the management of DTFS. DTFS can lead to ankle pain, ankle valgus, fibular shortening, and can alter the […]

The ongoing war in Ukraine has led to a significant rise in combat-related polytrauma injuries, including high-level multiple amputations, delayed evacuations, infectious complications, and limited access to rehabilitation services. This clinical case demonstrates a comprehensive, patient-centred […]

Acute lower limb trauma with bone loss is an uncommon occurrence. Injuries of this nature typically result from high-energy trauma and can result in significant functional impairment, with the potential for amputation.Nonetheless, it is recommended that salvage reconstructive procedures be […]

Extrapulmonary hyalinizing granuloma (EPHG) is a notably rare condition, representing an exaggerated chronic immune response to antigenic stimuli. This report presents the first documented case of intra-articular and tenosynovial EPHG with radiological evaluation and pathological confirmation in a […]

The Fracture Risk Assessment Tool (FRAX, threshold ≥9.3 %), Osteoporosis Risk Assessment Instrument (ORAI, ≥9), Osteoporosis Index of Risk (OSIRIS, <1), Osteoporosis Self-Assessment Tool (OST, <2), and Simple Calculated Osteoporosis Risk Estimation (SCORE, ≥6) have been endorsed by the […]

Parkinson's disease (PD) is the fastest-growing neurological disorder globally. Defining features include tremor, muscular rigidity, bradykinesia, and postural instability, which in combination with nonmotor symptoms such as cognitive impairment and orthostatic hypotension increase the risk of […]

Up to 20% of primary total knee arthroplasty (TKA) patients are not satisfied with their outcome. Both the analysis of these patients and revision surgery can be complex, expensive and outcomes can vary widely./r/nThe aim of this study was to deliver consensus recommendations regarding outpatient […]

Osler-Weber-Rendu syndrome (hereditary hemorrhagic telangiectasia [HHT]) is a rare autosomal dominant vascular disorder characterized by mucocutaneous telangiectasias and arteriovenous malformations. A 47-year-old woman with recurrent epistaxis and telangiectasias underwent total hip arthroplasty […]

BACKGROUND Aggressive surgical resection is essential for managing malignant tumors involving the proximal humerus and scapula. Reconstruction of these defects presents a substantial therapeutic challenge, with functional preservation as the primary objective. Traditionally, a simple suspension […]

This systematic review attempts to address survivorship of patellofemoral joint replacements, with conversion to a total knee arthroplasty (TKA) as an endpoint./r/nSurvival estimates from multiple case series and national registries were pooled to calculate survival at 5, 10, 15 and 20 years, […]

To assess the efficacy and safety of dexmedetomidine as an adjuvant to intra-articular (IA) injections of local anesthetics (LA) in adult patients undergoing knee arthroscopy./r/nWe searched MEDLINE, Embase, and Cochrane Library for randomized controlled trials (RCTs) comparing IA dexmedetomidine […]

To systematically review the available literature on patients with discoid lateral meniscus (DLM) with the goal of elucidating the rates and types of meniscal tears, clinical symptoms, treatment strategies, and postoperative clinical and radiographic outcomes in adult patients compared with a […]

Surgical site infections (SSI) following knee replacement pose significant challenges, often attributed to microorganism contamination during surgery. Robotic-assisted total knee replacement (RA-TKR) offers potential advantages but may also raise concerns regarding infection risk. This systematic […]

Deltoid Intramuscular Injection: Technique, Site, and Risks

Shoulder Pain: Causes, Symptoms, Diagnosis, and Treatment

Bipolar hemiarthroplasty (BHA) for osteoporotic femoral neck fractures has a risk of proximal femoral fracture during trials, especially with larger trial bipolar shells. This study introduces a novel technique for BHA via the direct anterior approach, aiming to reduce trial use and lower the risk […]

In this report, we present the case of a female patient with rigid fibrous ankylosis of the hip after undergoing two surgeries to reduce developmental hip dislocation, which was successfully treated with neoacetabuloplasty that helped her to regain hip mobility. An 18-year-old female patient was […]

The optimal pharmacological prophylaxis for venous thromboembolism (VTE) after hip or knee arthroplasty is uncertain. We conducted a systematic review and network meta-analysis to compare the efficacy and safety of various medications. We searched multiple databases for randomized clinical trials […]

Pelvic ring injuries are common in multi-trauma patients and can be life-threatening, necessitating prompt surgical intervention to improve outcomes. However, surgery can lead to complications such as iatrogenic nerve injury. This network meta-analysis aimed to improve outcomes in multi-trauma […]

We describe a case of an aggressive proximal humerus aneurysmal bone cyst (ABC) mimicking telangiectatic osteosarcoma with complete remodelling and reconstitution of the bone. A boy in middle childhood presented with a pathological fracture preceded by progressive right shoulder pain and swelling. […]

Neurofibromatosis type 2 (NF2) is an autosomal dominant condition characterized by the development of neoplasms, which infrequently arise in the subscapular fossa. Surgical removal of large subscapular tumors carries the risk of shoulder dysfunction due to muscle or nerve injury. We describe the […]

Professor Changjun Li and his colleagues at Xiangya Hospital of Central South University have published a research paper titled "Mechanical protein polycystin-1 directly regulates osteoclastogenesis and bone resorption" in Science Bulletin.

A new anti-osteoporosis drug has just been approved for use in the UK. The drug, called abaloparatide, is licensed for post-menopausal women with osteoporosis and a very high risk of fractures. Abaloparatide's approval could benefit more than 14,000 women in the UK who are at serious risk of bone […]

First light field-enabled surgical technology company secures additional institutional capital to drive adoption of its AI-driven platform SEATTLE, July 27, 2023 /PRNewswire/ — Proprio, a Seattle-based surgical technology company, today announced that it has secured $43 million in Series B […]

JERSEY CITY, N.J., July 24, 2023 /PRNewswire/ — EpiBone has received Investigational New Drug (IND) clearance from the FDA to begin testing its lab-grown knee cartilage in humans. The treatment, known as an engineered allogenic osteochondral graft, has shown promise in pre-clinical studies and […]

November 2022 myAO is running a Christmas Clinical Case Competition across the 5 clinical divisions! Participate and win the chance to have your clinical case featured on the AO website, myAO blog and on the Clinical Case Roundup that will be sent in January to the myAO users with interests related […]

September 2022 Designed over the last few months with surgeons from the AO network and thanks to community feedback, myAO is very excited to announce the release of CaseFolio this September—your secure, on-the-go clinical portfolio. The post Casefolio, your secure, on-the-go clinical portfolio […]