Joachim Feger

2 months ago | radiopaedia.org | Joachim Feger |Henry Knipe

Lateral collateral ligament injuries of the knee are rare in isolation and usually occur in the context of a posterolateral corner injury or in association with other ligamentous or meniscal injuries. A lateral collateral ligament injury of the knee is also referred to as the fibular collateral ligament injury and comprises a spectrum of injuries ranging from ‘sprain’ over ‘tear’ to ‘rupture’.

2 months ago | radiopaedia.org | Joachim Feger |Arlene Campos

Mass-like or tumefactive hypertrophic cardiomyopathy is a morphological variant or phenotype of hypertrophic cardiomyopathy (HCM). Mass-like or tumefactive hypertrophic cardiomyopathy is rare and accounts for less than 2% of cases 1-4. AssociationsMass-like or tumefactive hypertrophic cardiomyopathy can be sometimes associated with left ventricular outflow obstruction if the affected segment is located in the basal region near the left ventricular outflow tract 1.

Jan 16, 2025 | radiopaedia.org | Joachim Feger |Calum Worsley

The common extensor origin of the elbow classically refers to the common tendon of the following forearm extensor muscles, which form a common footprint at the lateral epicondyle 1,2:extensor carpi radialis brevis (ECRB)extensor digitorum communis (EDC)extensor digiti minimi (EDM)extensor carpi ulnaris (ECU)The common extensor origin is a flat tendinous structure originating from the anterolateral surface of the lateral epicondyle.

Jan 8, 2025 | radiopaedia.org | Joachim Feger |Henry Knipe

Approach articles are a special article type focused on a specific imaging investigation or condition in which a test or specific imaging protocol is applied. Approach articles will only be accepted if created by professionals with substantial subject expertise (largely limited to senior subspecialty radiologists), and their acceptance is at the discretion of the editor-in-chief. Experience with editing Radiopaedia articles and familiarity with our style guide is mandatory.

Nov 22, 2024 | radiopaedia.org | Craig Hacking |Joachim Feger

The right pulmonary artery (RPA) is one of the branches of the pulmonary trunk, branching at the level of the transthoracic plane of Ludwig. It is longer than the left pulmonary artery and courses perpendicularly away from the pulmonary trunk and left pulmonary artery, between the superior vena cava and the right main bronchus.