Polymyositis and Dermatomyositis
Polymyositis is an unheard of wide spread disorder whose main feature is balanced muscular tissue weakness
and throwing away involving the proximal muscles of the shoulder and pelvic girdles.
Polymyositis + associated breakout = dermatomyositis
- any age
- peak occurrence 40-60 years
- female to male proportion 2:1
- muscular tissue disadvantage and losing proximal limb muscular tissues
- major problem is weakness
- muscular tissue discomfort and inflammation in concerning FIFTY %
- arthralgia or arthritis in regarding FIFTY % (resembles circulation of rheumatoid arthritis)
- dysphagia in concerning 50 % as a result of oesophageal involvement
- Raynaud’s phenomenon
- think about linked malignancy: lung and ovary
The unique rash shows attributes of photosensitivity. There is violet staining of the eyelids,.
forehead and cheeks, and possible erythema appearing like sunburn and periorbital oedema. There is a.
particular rash on the hands particularly the fingers and nail folds. The knees and elbows are.
muscle enzyme studies (serum creatine kinase and aldolase)
biopsies—skin and muscle
EMG studies—show characteristic pattern
includes corticosteroids and cytotoxic drugs. Early referral is appropriate.