Systemic Sclerosis Flashcards
What is systemic sclerosis associated with.
Malignancy.
What is systemic sclerosis.
Multisystemic connective tissue damage causing inflammation, fibrosis and vascular damage to the skin and internal organs.
What can systemic sclerosis damage. (2)
Skin.
Internal organs.
How many syndromes of systemic sclerosis are there.
Two.
What are the two syndromes of systemic sclerosis.
Limited cutaneous systemic sclerosis.
Diffuse cutaneous systemic sclerosis.
What are the characteristics of limited cutaneous systemic sclerosis. (3)
Skin involvement distally.
Systemic involvement occurs late and is rare.
Anticentromere antibody (ACA) positive in 70%.
What percentage of patients with limited cutaneous systemic sclerosis are ACA positive.
70%.
What are the characteristics of diffuse cutaneous systemic sclerosis. (2)
Early systemic involvement.
Scl-70 (topoisomerase) antibody positive in 30%.
What percentage of patients with diffuse cutaneous systemic sclerosis are positive for Scl-70 antibody.
30%.
What are the symptoms of systemic sclerosis. (14)
Pruritus. Raynaud's. Dysphagia. Nausea. Vomiting. Abdominal pain. Diarrhoea. Faecal incontinence. Shortness of breath. non-productive cough. Palpitations. Weakness. Arthralgia. Dry eyes.
What are the major clinical features of systemic sclerosis. (3)
Centrally located skin sclerosis - arms, face and neck.
What are the minor clinical features of systemic sclerosis. (4)
Sclerodactyly (tight skin over fingers).
Erosions.
Atrophy of the fingertips.
Bilateral lung fibrosis.
What are the blood results in a patient with systemic sclerosis. (7)
Raised MCV. No change in ESR. Raised urea and creatinine (if there is renal involvement). Raised CK (mild). Raised Ig. Raised ANA (90%).
What can limited cutaneous systemic sclerosis do.
CREST syndrome (formerly known as).
What are the features of CREST syndrome. (5)
Calcinosis (subcutaneous tissue). Raynaud's. oEsophageal and gut dismotility. Sclerodactyly (swollen tight digits). Telangiectasia.