Anatomy Elbow Radiology

The elbow joint consists of 3 joints fig. They can be divided into bursae around the olecranon and in the cubital fossa.

Elbow Radiographic Anatomy Wikiradiography Radiology Student Diagnostic Imaging Medical Imaging

The osseous anatomy of the elbow allows for two complex motions.

Anatomy elbow radiology. The proximal ulna consists of the olecranon posterior side and the coronoid process anterior side and articulates with the humerus through the trochlea. Image source from WikiRadiography WetPaint here. Recently ultrasonography US has gained an important role in the evaluation of the soft tissues around the elbow.

Fall onto a hyperextended elbow. Gross anatomy Articulations The elbow joint is made up of three articulations 23. It contains 191 MRI slices 60 3D reconstruction images with 155 labeled anatomical structures.

The normal anatomy of the elbow joint in axial sagittal and coronal planes was evaluated by comparing 30 magnetic resonance MR images of eight healthy volunteers with microtomed cryosections prepared from six cadaver elbows. The ulna long bone of the forearm humerus long bone of the arm from the shoulder and radius two large bones of the forearm are the three bones that make up the elbow 4. The radius articulates with the capitellum allowing for pronation and supination and the ulna articulates with the trochlea of the humerus in a hinge.

The elbow bursae are a collection of synovial-lined bursae that exist around the elbow. Clinical examination and routine radiography are essential to initially evaluate the elbow. Radiographic Anatomy of the Elbow.

Due to its complex anatomy the elbow joint is one of the more difficult joints to examine comprehensively with ultrasound. This MRI elbow cross sectional anatomy tool is absolutely free to use. Its primary function is flexion and extension of the elbow.

Radiology department Rijnland Hospital Leiderdorp the Netherlands. The assessment of the elbow can be difficult because of the changing anatomy of the growing skeleton and the subtility of some of. 10-20 of all pediatric elbow injuries.

Bony spurring at the common flexor origin and calcific tendinopathy at the common extensor origin. In these instances CT examination can be very helpful in describing the full extent of osseous injury and can detect fractures and subtle dislocations that are occult radiographically. On a coronal view we will be looking at the radial head which is covered with cartilage and opposite to it the non-cartilage covered part of the capitellum which frequently is somewhat irregular.

To make this easier standard sections will be described using a regional approach. The elbow joint has prominent joint recesses located in the coronoid and radial fossae anteriorly and within the olecranon fossa posteriorly. Oblique radiograph of the elbow with labels.

Normal radiographic anatomy of the elbow. Elbow fractures are the most common fractures in children. The trochlea and ulna the capitellum and the radial head and the proximal ulna and radius Fig.

Usually varus force applied to an extended elbow. Lateral radiograph of the elbow with labels. Normal radiographic anatomy of the elbow.

Anatomy of the Elbow. It has been estimated that elbow injuries account for approximately 20 of upper limb injuries in sports 1. This atlas of anatomy is useful especially for radiologists surgeons rheumatologists and physicians specializing in musculoskeletal imaging.

Elbow Anatomy and Techniques. Frontal radiograph of the elbow with labels. The elbow is composed of three articulations contained within a common joint cavity.

Use the mouse scroll wheel to move the images up and down alternatively use the tiny arrows on both side of the image to move the images. The elbow is one of the hinge-type synovial joints in the body or the joints that connect two or more bones and can be flexed or extended 3. Radial head view with labels.

Small skin laceration posterior to the olecranon fossa. Anatomical alignment of the elbow joint. The elbow is a complex synovial joint formed by the articulations of the humerus the radius and the ulna.

Capitellum of the humerus with the r. The elbow is a synovial joint composed of three elbow joint articulations. So when the elbow is fully extended a portion of the radial head is actually behind the carticular surface of the capitellum.

There may be posterior displacement of the distal segment. This anatomy module is about radioanatomy of the elbow in an MRI and 3D reconstructions. Learn the elbow ossification center mnemonic here.

The osseous anatomy of the elbow is complex and fractures can occasionally be radiographically occult or difficult to fully delineate on the basis of conventional radiography.

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