MSK

Question 1

Most common cause of hip pain and limp in children 3-10

Answer 1

Leg-Calve-Perthes

Avascularization of femoral head

Often, the initial interruption in vascular supply is asymptomatic, with limp or pain developing during collapse of the femoral head or revascularization.

Consult Ortho

Question 2

Severs disease

Answer 2

Calcaneal apophysitis
Overuse of heel with tight Achilles

Want to stretch

Question 3

Treatment for patellar dislocation (that’s already back in place)

Answer 3

Strengthening quads to prevent recurrence

Question 4

Patellar dislocation

Answer 4

Moves our of central trochlear groove laterally
From twisting/pivoting/direct blow

Higher risk in adolescent girls, patellar hyper mobility, joint hyper-laxity, hx of prior dislocation

Acute, severe knee pain, try to push back in while extending knee

Question 5

Normal angle between femoral head and shaft?

What happens if its outside this?

Answer 5

120-135

Coxa vara <120
Coxa Vargas >135

Question 6

Triad of arthritis, rash, and uveitis with noncaseating granuloma

Answer 6

Sarcoidosis

Also non specific symptoms including fever, malaise, weight loss

Question 7

Red to violet mask like rash involving cheeks and eyelids, Gottron papules, flat-topped erythematous hyperkeratotic papules over MCP or IP joints

Answer 7

Dermatomyositis

Question 8

How to diagnose dematomyositits

Answer 8

MRI of proximal muscles