Items tagged “musculoskeletal”

46 results found
Article

Extrusion index

The extrusion index, also known as the (Reimers) hip migration index, is a radiographic measurement of femoral head bony coverage by the acetabulum. It is useful in assessing for developmental dysplasia of the hip, femoroacetabular impingement, and assessment of hip subluxation in cerebral palsy...
Article

Lateral center-edge angle

The lateral center-edge angle is a radiographic measurement of the superolateral femoral head bony coverage by the acetabulum. It has since been shown to be superior to the extrusion index in measuring femoral head undercoverage ref.  Usage The lateral center-edge angle has primarily been desc...
Article

Shoulder injury related to vaccine administration

Shoulder injury related to vaccine administration (SIRVA) describes the injury that occurs when there is an unintentional injection of antigenic material in the synovial tissues resulting in an inflammatory reaction. Clinical presentation After a vaccine administration, mostly on the first day...
Article

Musculoskeletal x-ray: ABCDE (summary)

This is a basic article for medical students and other non-radiologists Musculoskeletal x-ray review is a key competency for medical students, junior doctors, and other allied health professionals. Using A, B, C, D, E is a helpful and systematic method for musculoskeletal x-ray review: A: anat...
Article

Tubercle of Assaki

The tubercle of Assaki, also known as the tubercle of Asskay 3, is a small bony protuberance of the central part of the glenoid fossa with accompanying thinning of articular cartilage in this location 1. Pathology It is presumably caused by the constant pressure of the humeral head exerted on ...
Article

Unicompartmental knee arthroplasty

Unicompartmental knee arthroplasties (UKA) or replacements (UKR) are orthopedic procedures where either the medial or lateral articular surfaces of the knee are replaced by prostheses 1. This differs from patellofemoral arthroplasties, which replace the patellar and trochlear groove articular su...