Musculoskeletal Findings Semiology

Question 1

Osteoarthritis

Answer 1

Bouchard’s node - PIP
Heberdens node - DIP
1st CMC squaring
Osteophytes and loss of joint space

Non-inflam…will feel bony…think crepitus

Question 2

RA

Answer 2

Symmetric ulnar deviation with prominent MCP subluxations

Swan neck - flex at DIP
Boutonniere - flex at PIP

Wrist synovitis and effusion

Will feel boggy

Extensor nodules

Question 3

Septic and gouty arthritis

Answer 3

Acute monoarthritis

Septic - knee

SC joint - IV drug abuse

1st MTP - gout

Question 4

SLE

Answer 4

Malar rash
Cuntaeous vasculitis
Oral ulcer

Due to anti-dsDNA or ANA

NO deformities

Question 5

Scleroderma

Answer 5

Diffuse - involves all of skin and get sclerodactyly

CREST - calcinosis, raynauud, esophageal dysmotility, sclerodactyly, telangiectasias…hands and face only

Question 6

Extra-articular findings of note

Answer 6

Topacheous gout

Dissmeminated gonorrhea

Dactylitis

Question 7

Spine defomrities

Answer 7

Bamboo spine with kyphosis due to AS

Kyphotic due to thoracic compression fractures in older women