Connective tissue disease Flashcards
(32 cards)
What are the features of Sjorgen’s syndrome?
chronic inflammatory connective tissue disease
dysfunction of lacrimal and salivary glands
dry eyes and dry mouth
Which sex is more commonly affected in sjorgen’s?
female 9:1
Which autoantibodies are present in Sjorgen’s?
anti-ro/SSA
anti-la/PSS
Aside from dryness, what are extraexocrine features/systems involved in sjorgen’s?
arhtritis
intersitial lung disease
GI symptoms
kidney disease
peripheral nervous system
CNS- meningitis, optic neuritis
What is a serious long term complication of Sjorgen’s?
lymphoma!!
List one feature of sjorgen’s that are risk factors for lymphoma?
parotid enlargement
lymphadenopathy
palpable purpura
WHat are the key features of lupus?
vasculopathy
vasculitis
inflammation
Three differentials for SLE?
TB
HIV/AIDS
Drug induced lupus
Sjorgen’s
Antiphospholipid syndrome
Vasculitis
Rheumatoid arthritis
Dermatomyositis
List three investigations for SLE
FBC
ESR
CRP
Serum albumin
Serum creatinine/eGFR
Urinalysis and urine protein/creatinine ratio
renal biopsy
XRay hand and feet
List two autoantibodies that are positive in SLE
ANA
dsDNA
Anti-Ro
Anti-La
Which autoantibody in specific for SLE?
dsDNA
List three criteria to diagnose SLE?
Malar rash
ridcoid rash
photosensitivity
oral ulcers
arthritis
renal disorder
neurologic disorder
haematologic sidorder
immunological disorder
ANA
Which immune marker is positive in >95% of SLE?
ANA
What is the treatment of SLE?
NSAIDs
smoking cessation
UV protection
exercise
corticosteroids
cDMARDs- methotrexate, hydroxychloroquine
What is the treatment for severe SLE?
cyclophophamide IV
Masklike face refers to which connective tissue disorder?
scleroderma
What is CREST syndrome?
=limited cutaneous sclerosis
Calcinosis- calcium skin deposits
Raynaud’s
Esophageal involvement
Sclerodactly
Telangiectasia
Which antibodies are positive in scleroderma?
ANA
Anti-Scl 70 antibody
Anticentromere antibody
Which antibody is most commonly positive in limited scleroderma/CREST
anticentromere
Which rash is characteristic of dermatomyositis
heliotrope rash
gottron’s papules
What is the characteristic biochemical feature of polymyositis?
raised CK
What are the features of polymyositis
symmetrical proximal muscle weakness
dysphagia
arrythmias
interstitial lung disease
acute tubular necrosis
arthralgia
raynaud’s
List three lab tests that are positive in polymyositis
CK
ESR
ANA
What are Gottron’s papules?
flat red papules scaly overlying knuckles of the fingers most commonly (and elbows and knees)