Patellofemoral dislocation is a significant clinical condition that can evolve into chronic patellofemoral instability (PFI), leading to debilitating symptoms and functionality impairment. Although the "un menu à la carte" guideline exists for PFI cases, it lacks recommendations regarding the role […]

Management of ankle osteoarthritis (OA) remains a challenge due to its profound impact on pain, function, and quality of life. Supramalleolar osteotomy (SMO) is a joint-preserving procedure that addresses malalignment and redistributes joint loads, while proximal fibular osteotomy (PFO) targets […]

Pycnodysostosis is a rare lysosomal storage disorder characterised by short stature, craniofacial dysmorphisms, dental anomalies, and increased bone fragility due to osteoclast dysfunction caused by cathepsin K gene mutations. This case report describes a 43-year-old female pycnodysostosis patient […]

The decision making surrounding return to play after anterior cruciate ligament (ACL) injuries is complex and multifactorial. A successful return to play is dependent on several factors, including the stability of the knee, patient-reported symptoms, and adequacy of rehabilitation of the injured […]

PurposeTo present a case of orbital fracture arising from a pickleball related injury.MethodsRetrospective case reportResultsPickleball is a fast-growing sport combining elements of tennis, badminton, and table tennis and injuries to the eye and adnexa from blunt trauma associated with pickleball […]

We present a 12-year-old patient with periosteal osteosarcoma and bilateral pulmonary arterial tumour thrombi. The utility of a three-dimensional model to assess the feasibility of segmental resection is demonstrated.

Rotator cuff impingement was suspected when a 23-year-old male police officer presented to the orthopedic clinic with gradual-onset left shoulder pain and weakness; however, conservative management did not improve the patient's symptoms. Subsequent imaging revealed a lytic lesion in the left […]

To synthesize and qualitatively assess the currently available evidence in the literature regarding the revision of posterior cruciate ligament (PCL) reconstruction. A systematic review was conducted on the basis of the preferred reporting items for systematic reviews and meta-analyses guidelines. […]

Acute kidney injury (AKI) is one of the common complications after hip fracture in the elderly, and its hospitalization rate, mortality rate and medical expenses are high, resulting in serious social and economic burden. Therefore, we aim to systematically evaluate the incidence and risk factors of […]

Kidney transplant recipients (KTRs) are at a heightened risk of low bone density and fractures. This study sought to determine the overall prevalence of osteoporosis in KTRs. Published observational studies and those with a baseline report on osteoporosis were evaluated in databases such as PubMed, […]

Liquid nitrogen-treated autografts are used to reconstruct bone defects after wide resection of malignant bone tumours. However, the lack of blood supply makes them prone to infection, which is traditionally treated with systemic antibiotics and infected bone removal. Continuous local antibiotic […]

Avascular necrosis of the metacarpal head, or Dietrich's disease, is a rare entity with approximately 40 reported cases in the literature since the original description. No consensus exists on optimal treatment. The purpose of this case series is to report the presentation and outcome of avascular […]

In case of weakness of finger flexors and/or persistence of symptoms after carpal tunnel release, a more proximal compression site of the median nerve should be considered. In this report we present a case of compression by a ligament of Struthers. It was detected with ultrasound, which showed a […]

To conduct a systematic review to evaluate the diagnostic accuracy of history taking, physical examination, and auxiliary examination for thumb osteoarthritis (OA)./r/nMEDLINE ALL, EMBASE, Cochrane Central Register of Controlled Trials, Web of Science Core Collection, and CINAHL were searched up to […]

Literature assessing elasticity in rotator cuff (RC) muscles with shear wave elastography (SWE) is growing but little is known about the overall measurement properties. However, this information is crucial before implementation in research or practice. The objective of this review was first, to […]

Reverse shoulder arthroplasty (rTSA) is an increasingly utilized option to address complications following anatomic total shoulder arthroplasty (aTSA). This systematic review aims to identify the patient outcomes, complication rates, and re-revision rates following revision to a reverse shoulder […]

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 […]

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 […]

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 […]

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 […]

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 […]

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 […]

Management of talar neck fractures can be challenging due to the high rate of nonunion or malunion, avascular necrosis, and posttraumatic arthritis, which has been attributed to the disruption of the bone's tenuous blood supply during fracture displacement. Osseous medial femoral condyle (MFC) […]

Common peroneal nerve palsy is often caused by compression at the fibular head, with ganglion cysts being the most common etiology. Although rare, meniscal cysts can also compress the nerve. We report a case of common peroneal nerve palsy due to a lateral meniscal cyst, successfully treated with […]

Current literature lacks comprehensive information comparing primary tibiotalocalcaneal (TTC) hindfoot nailing and open reduction internal fixation (ORIF) in the ankle fractures in the elderly population. This systematic review and meta-analysis was conducted to evaluate and compare the clinical […]

Surgical helmet systems remain widely used in total joint arthroplasty (TJA) despite evidence to suggest that they may increase infection risk via contamination of sterile equipment and operating room air. However, the challenging nature of conducting high-quality clinical trials to study outcomes […]

Robotic-assisted laparoscopic surgery has become more common in recent years with multiple benefits to patients. However, it poses musculoskeletal risks to surgeons, and given their long careers, it is vital to prolong surgeons' longevity. This review aims to evaluate ergonomic impact and methods […]

Threaded cups in total hip arthroplasty (THA) have been introduced to overcome the complications associated with the cemented cups in use until then. Their structure allowed the cup to be screwed into the acetabulum after careful preparation, achieving strong primary stability. However, the […]

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 […]

Femoral Neck System vs. 3 Cannulated Screws for Femoral Neck Fracture in Patients 60 and Older

Sagittal Spinal Profile in Patients with Lumbosacral Hemivertebra

Southwest Research Institute (SwRI) has developed new technology to enhance clinical bone imaging and decrease osteoporotic fractures in the elderly. The tool, described in a new SwRI-led study, uses artificial intelligence (AI) to create super-resolution images showing the inner structures of […]

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.

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 […]