BackgroundChiari II malformation occurs in one of 1000 live births and causes posterior fossa malformation. In Chiari II malformation, a lumbosacral meningomyelocele is nearly always present. Achondroplasia is the most common cause of dwarfism, occurring in one of 26,000 live births. Both Chiari II […]

Protein-losing enteropathy (PLE) is a rare cause of hypoalbuminemia that can be attributed to intestinal lymphangiectasia. Patients with Noonan syndrome may present with disorder of lymph vessel formation. However, PLE is rarely reported with Noonan syndrome./r/nA 15-year-old female was […]

 Internal fixation is the preferred treatment in the non-elderly with femoral neck fractures, regardless of fracture displacement. High complication rates are reported, in particular for displaced fractures. We aimed to compare cancellous screws with angle-stable sliding compression implants for […]

To update knowledge on the effects of cryotherapy in reducing pain, increasing strength, and improving function in patients with knee osteoarthritis./r/nThe databases used included PubMed, Embase, Cochrane, Physiotherapy Evidence Database (PEDro), Scopus, Web of Science, and LILACS. In addition, […]

Arthrogryposis Multiplex Congenita (AMC) is characterized by the presence of multiple joint contractures in the fetus' body. The diagnosis of AMC is complex and often missed prenatally. This comprehensive review of the literature published over the last 20 years, with an emphasis on the role of […]

To assess the efficacy of cryoablation in controlling pain from metastatic bone lesions./r/nA systematic search of PubMed, Embase, Scopus, Cochrane library, and Web of Science was conducted from inception to April 2024, focusing on cryoablation for palliation of painful bone metastases. The […]

Knee cartilage lesions are frequent in football players, but evidence for surgical treatment is lacking. The aim of this International Cartilage Regeneration & Joint Preservation Society, Fédération Internationale de Football Association, and Aspetar (ICRS-FIFA-Aspetar) consensus was to […]

Refractory ulcers caused by high-flow arteriovenous malformations (AVMs) pose significant therapeutic challenges due to persistent tissue ischemia and shear stress-induced graft failure. Traditional embolization or flap reconstruction strategies often yield suboptimal outcomes, particularly in […]

Interprosthetic femoral fractures between a total hip arthroplasty and a total knee arthroplasty pose a unique problem as they most commonly occur in the fragile metaphyseal supracondylar region. There remains ongoing debate over the ideal fixation strategy for this injury pattern. The goal of this […]

Shaping the trapezium and metacarpal base during first carpometacarpal (CMC) Ensemble arthroplasty traditionally relies on manual rasping. This is time-consuming and poses the risk of iatrogenic nerve injury due to repeated rasping near the dorsal and volar branches of the dorsal radial sensory […]

Salmonella infection most frequently presents as gastroenteritis in developed countries, while septic arthritis represents a much rarer occurrence. Salmonella septic arthritis most commonly occurs in the hip joint, while existing reports of Salmonella infection of the shoulder joint are limited to […]

We present a unique case of diffuse tenosynovial giant cell tumour (TSGCT) in the tarsal sinus of a paediatric patient. TSGCTs are uncommon in the foot and ankle with potential misdiagnosis as more common lesions such as ganglionic cysts. There have only been three cases of sinus tarsi […]

This article presents a case of a dorsal trigger wrist, which was brought on by a rupture of the fibro-osseous septum of the second extensor compartment. This situation is highly uncommon and has not been previously documented. The septum, which divides the extensor carpi radialis brevis and the […]

Simultaneous dislocation of the distal and proximal interphalangeal joints is an uncommon injury. Treating chronic cases proves challenging due to severe contractures affecting both joints and surrounding soft tissues. Here, we report an unusual chronic contracture case in a 46-year-old man who […]

Venous thrombosis associated with osteomyelitis is rare in children, and there is no consensus on the duration of anticoagulation for thrombosis. The available literature reports long anticoagulation times for venous thrombosis./r/nThe clinical data of 6 children with osteomyelitis with venous […]

A 59-year-old man presented 18 months following bilateral total hip arthroplasty (THA) with ceramic-on-polyethylene bearings through the direct anterior approach, with progressive bilateral groin pain and swellings around his upper thighs since 2 months. He was advised surgery considering the […]

Maxillary sinus floor elevation is an option in cases where bone volume in the maxillary molar region is clearly insufficient to allow implant therapy. However, few studies have reported long-term observation of change in bone volume in the same case over a period of 10 or more years. This report […]

Giant cell-rich osteosarcoma (GCRO) is a rare variant of osteosarcoma with unusual radiological and histopathological features that make its diagnosis challenging. The most critical and unusual feature of GCRO is that it has a purely osteolytic appearance. Therefore, GCRO cases are frequently […]

Subscapularis dysfunction remains a devastating postoperative complication that negatively affects surgical outcomes following anatomic total shoulder arthroplasty (aTSA). This systematic review aims to determine the incidence of subscapularis failure following aTSA and evaluate the effectiveness […]

In recent years, stem cell-derived extracellular vesicles (SC-EVs) have garnered widespread attention for the treatment of osteoporosis. Based on all available data, we conducted a comprehensive evaluation of the efficacy of SC-EVs in preclinical studies, aiming to provide the latest evidence to […]

This case discusses the reimplantation of a comminuted osteochondral fracture of the lateral talar dome with 1 large extruded fragment in a 19-year-old man after a low-energy motor vehicle accident. The fragment transport and decontamination protocols are detailed and the patient's return to full, […]

BACKGROUND Traumatic diaphragmatic rupture (TDR) is a rare entity. Its diagnosis can be challenging due to its nonspecific clinical presentation. Therefore, diagnosis is often late or missed. This article presents 2 cases of right-sided TDR accompanied by intrathoracic herniation of the liver. CASE […]

We present a case of primary diffuse large B-cell lymphoma of bone accompanied by osteomyelitis, which was challenging to diagnose. CT revealed no distant metastases; thus, primary bone tumour and osteomyelitis were included in the differential diagnosis. A needle biopsy of an extraosseous lesion […]

As a global public health problem, osteoporosis (OP) urgently requires better treatment strategies. This study systematically evaluated the synergistic effect of traditional Chinese medicine (TCM) compounds combined with conventional Western medicine (such as bisphosphonates and calcium) compared […]

Osteochondral lesions of the talus (OLTs) pose significant treatment challenges in athletes due to the unique characteristics of the osteochondral unit and high functional demands. This systematic review and meta-analysis, covering literature from January 1990 to April 2024, compares surgical […]

Atypical femur fractures (AFFs) are rare complications of antiresorptive therapies like denosumab, resulting from suppressed bone remodelling. These fractures occur with minimal or no trauma and are often preceded by prodromal thigh or groin pain. Radiographically, they present as transverse or […]

AO Trauma NA Fireside—Module 3: Complex Elbow Fracture Dislocations Fireside

[Tc]-3,3-diphosphono-1,2-propanodicarboxylic acid bone scintigraphy was used to differentiate between posterior impingement syndrome and Haglund syndrome in a 34-y-old man with unclear right-sided ankle pain. The patient had an accessory os trigonum bilaterally, and previous x-ray, MRI, and CT were […]

Anterior cruciate ligament reconstruction (ACLR) is frequently associated with moderate to severe postoperative pain, necessitating effective analgesic strategies to enhance patient comfort and facilitate recovery. Identifying effective pain management methods after ACLR is crucial. This study aims […]

The use of microprocessor-controlled prosthetic knees facilitates safe and efficient ambulation in individuals with unilateral transfemoral amputation, contributing to their reintegration into daily life. We report rehabilitation outcomes in two individuals with bilateral transfemoral amputations […]

Arthroscopic Bankart repair can be performed via a more contemporary knotless procedure or a more traditional knotted procedure. Nonetheless, comparisons between these two techniques remain controversial./r/nFollowing the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) […]

This study aimed to explore institutional conflicts of interest (COIs) in volume-outcome studies investigating whether higher hospital volume is associated with better patient outcomes./r/nWe used a sample of studies (n = 68) included in a systematic review on the hospital volume-outcome […]

Accurate component placement plays a critical role in the outcome of total hip arthroplasty (THA). Robotic-assisted THA (R-THA) has emerged as an option to optimize this aspect compared to the conventional manual THA (C-THA). The aim of this meta-analysis was to analyze the studies comparing R-THA […]

The optimal treatment of Osteochondral lesion of the talus (OLT) for subchondral bone cysts (SBCs) has not been finalized. The purpose of this systematic review and meta-analysis was to define whether OLT with small SBCs will affect the clinical outcomes of OLTs after arthroscopic […]

An 11-year-old girl presented with left knee pain after a fall. Imaging revealed bilateral superior osteochondrosis of the patella with a superimposed fracture of the superior third portion of the left patella. The patient underwent open reduction and internal fixation of the fracture. At the […]

Science and society collaboration is essential for scientific progress, especially in the health and biomedical fields where basic researchers, clinicians and patients are involved, as shown by the initial results of D-BIOMARK. This clinical trial against breast cancer has analyzed the potential […]

Prep For ABOS Exam with Miller's Orthopaedic Review Course

AO Trauma Hand NA Webinar—Complex Distal Radius Fractures

Hyperselective Neurectomy for Spastic Flexion-Pronation Deformity of the Forearm and Wrist

For dialysis-dependent patients treated for osteoporosis, denosumab is associated with a greater preventive effect on fractures but an increased risk for major adverse cardiovascular events (MACE) compared with oral bisphosphonates, according to a study published online Jan. 7 in the Annals of […]

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 […]

Begad H M Z Abdelrazek, Mohamed R WalyThe Egyptian Orthopaedic Journal 2022 57(3):180-185Background Fractures of the calcaneus pose a great challenge both to surgeons and patients. They are considered life-changing injuries. Anatomical reduction of fragments is one of the important variables […]

December 2022 The post A look back at myAO in 2022 appeared first on myAO.

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 […]

Mohammed Rabie Abdalla Saleh, Mohamed Hussein FadelThe Egyptian Orthopaedic Journal 2022 57(2):122-133Background and aim A rotator cuff injury has a significant effect on the quality of life and overall health of patients. Surgical treatment for rotator cuff disease has been found to enhance […]

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