Xray Elbow Anatomy

The elbow is a complex synovial joint formed by the articulations of the humerus the radius and the ulna. On an elbow x ray a fat pad sign suggests an occult fracture.

Ecr 2015 C 2327 Commonly Missed Fractures In The

No posterior fat pad should be seen.

Xray elbow anatomy. Both anterior and posterior fat pad signs exist and both can be found on the same x ray. Copyright c 2005 2019 alex freitas md. This is a normal structure.

They are extrasynovial but intracapsular. The radiograph is of a 15 year old baseball player with 4 year history of elbow pain and a recent episode of locking. Gross anatomy articulations the elbow joint is made up of three articulations 23.

Elbow fat pads there are pads of fat close to the distal humerus anteriorly and posteriorly. It is caused by displacement of the fat pad around the elbow joint. Stanford bone tumor bayesian network issssr msk lectures for residents ocad msk cases from around the world stanford msk mri atlas has served almost 800000 pages to users in over 100 countries.

Systematic review whenever you look at an adult elbow x ray review. The chronic valgus overload can cause an osteochondral lesion on the lateral side of the elbow. Test your knowledge about elbow xray anatomy with this online quiz.

Capitellum of the humerus with the ra. Knee shoulder shoulder arthrogram ankle elbow wrist hip contact. Alignment fat pads bone cortex alignment check the anterior humeral line.

Normal elbow x ray appearances on the lateral image there is often a visible triangle of low density lying anterior to the humerus. It is the result of repetitive impaction and shear forces. Use the mouse to scroll or the arrows.

Injuries around the joint can produce a joint effusion which will displace the fat pads making them more visible. There is a focal lucency in the capitellum and some fragmntation. A trivia quiz called elbow xray anatomy.

Drawn down the anterior surface of the humerus should intersect the middle 13 of the capitellu. This is the anterior fat pad which lies within the elbow joint capsule. On a normal elbow x ray only a small stripe of an anterior fat pad should be visible.

The anterior fat pad is seen in most but not all normal elbows.

Radiographic Anatomy Of Adult Elbow Orthopaedicsone