Rheumatology Flashcards
What are the clinical features of PFAPA?
Symptoms: Periodic fever, aphthous stomatitis, pharyngitis, adenitis
Fever pattern: 2-7 days, usually every 4 weeks
Amyloidosis not a concern
Can use steroids but will shorten time between episodes.
Up to 70% can resolve with tonsillectomy
What are the clinical features of TRAPS (TNF-receptor associated period fever syndrome)?
Usually starts before 10yrs, usually every 4-6 weeks
Lasts between 5-25 days
Recurrent fevers, chills, muscle pains, abdominal pain, red swollen eyes and painful rash.
Associated with amyloidosis if not treated
Flares with stress, infection ,trauma, immunisation, hormonal changes
Tx: Steroids, etanercept, anakinra, canakinumab, tocilizumab
What are the clinical features of familial Mediterranean fever?
MEFV gene mutation
Recurrent episodes of fever and serositis (chest, abdominal, joints), rash and swollen tender scrotum.
Attacks last 1-3 days, attacks vary from days to years apart
Amyloidosis significant issue
Tx: Colchicine, IL-1 blockers, NSAIDs
What is the gene mutation in CAPS (Cryopyrin associated periodic syndrome?
NLRP3 (Cryopyrin protein)
What is the definition of JIA?
Group of inflammatory condition that begins before 18th birthday, persistent for at least 6 weeks and other disorders are excluded.
What are the key clinical features of jIA?
Painful swollen joints
Limited movement in joints
Fever
Rash
What referral must you make for a child with JIA?
Ophthalmology referral - Uveitis (20-30%)
Untreated can lead to blindness, glaucoma, keratopathy
What are the clinical features of systemic JIA?
Fever (quotidian features)
Rash
Hepatosplenomegaly
Lymphadenopathy
Serositis - pleural, pericardial effusions
IL-1 and IL-6 involvement
Which seromarker will be positive in enthesitis related JIA?
HLA B27
What is ANA used for in JIA?
Delineating risk of uveitis
Which rheumatology condition is at risk of MAS?
Systemic JIA
- Presents with fever, cytopenia, elevated LFT, hepatosplenomegaly
- Markedly elevated ferritin, low fibrin, coagulation abnormalities, elevated triglycerides
Which rheumatology conditions are associated with subcutaneous calcinosis?
Juvenile dermatomyositis
Which condition is associated with gottrons papules and heliotropic rash?
Juvenile dermatomyositis
What are the complications of juvenile dermatomysositis?
Interstitial lung disease
Cutaneous vasculopathy
Calcinosis
Which rheumatology condition has capillary nail fold changes/dilation?
Juvenile dermatomyositis