Chapter 62 :: Dermatomyositis

Question 1

have the characteristic rash but no clinical signs or symptoms of myositis

Answer 1

clinically amyopathic dermatomyositis (CADM)

Question 2

Major Criteria of Dermatomyositis

Answer 2

Heliotrope sign
Gottron papules
Gottron sign

Question 3

distinctive and pathognomonic pattern may be seen composed of reticulated, sometimes atrophic white macules adjacent to erythema or telangiectasias

Answer 3

“red on white”

Question 4

late manifestation and is not diagnostically specific because many other acquired and congenital diseases

Answer 4

poikiloderma

Question 5

necessary step in establishing the diagnosis of ILD

Answer 5

high-resolution computed tomography (CT) of the chest

Question 6

Anti-tRNA synthetase

Answer 6

ILD, Fever, arthritis, myositus, mechanic’s hands, Raynaud phenomenon

Question 7

Myositis in DM typically presents

Answer 7

symmetrical proximal muscle weakness

Question 8

If patients with DM do develop weakness

Answer 8

then about 80% of patients develop weakness within the first year of symptom onset