Musculoskeletal

Question 1

Heberden node

Answer 1

A Heberden node is soft-tissue swelling around the Distal InterPhalyngeal (DIP) joint.

Question 2

Bouchard node

Answer 2

A Bouchard node is soft-tissue swelling around the Proximal InterPhalyngeal (PIP) joint.

Question 3

Kümmel disease

Answer 3

Osteonecrosis and collapse of a vertebral body due to ischemia and non-union of anterior vertebral body wedge fractures after major trauma. Gas in a vertebral body.

Question 4

Romanus lesion

Answer 4

early finding in inflammatory spondyloarthropathies, such as ankylosing spondylitis and enteropathic arthritis, and appears as irregularity and erosion involving the anterior and posterior edges of the vertebral endplates

Question 5

Diffuse idiopathic skeletal hyperostosis (DISH)

Answer 5

Diffuse idiopathic skeletal hyperostosis (DISH, Forestier disease) is a distinct entity from degenerative
disc disease, but appears similar due to exuberant osteophytosis. DISH is defined as
flowing bridging anterior osteophytes spanning at least four vertebral levels, with
normal disk spaces and sacroiliac joints.