Ch. 44-Sjogrens, Still's, Relapsing polychondritis Flashcards
What features are required for a diagnosis of systemic onset JIA
- High episodic fevers daily for 2 weeks
- Atleast one of: evanescent rash, splenomegaly, hepatomegaly, serositis, general LAD
- Symmetric poly arthritis > oligo arthritis (erosive in 20%) –> onset may be delayed months to years
Name 6 lab abnormalities in juvenile stills
Elevated ferritin Elevated ESR/CRP Anemia Leukocytosis with neutrophilic Thrombocytosis *RF and ANA neg Polyclonal gammopathy
What type of immune system activation is seen in juvenile Still’s
Innate immune with Il-1, TNF alpha and IL-6 production
Name 6 signs and symptoms Still’s
- Daily spiking fevers >38.9 often in evening
- Arthralgia, often coincide with fevers
- Arthritis-often polyarticular and symmetric, can come at same time rash onset or months to years later, often knees, ankles, hips, small hand joints
- Transient evanescent rash
- lymphadenopathy
- hepatosmplemegaly
Describe 4 cutaneous characteristics of juvenile stills
- transient, evanescent pink salmon coloured rash often coincides with fevers
- predilection to axillae, waist, linear lesions/flagellate erythema
- periorbital edema/erythema
- may get RA nodules
- persistent plaques, which also may be linear
Name 2 path findings show of juvenile Stills
-perivascular and interstitial neutrophil-dominant mixed infiltrate –> “neutrophilic urticarial dermatosis”
A variable number of dyskeratotic keratinocytes, located primarily in the upper epidermal layers, is also a typical finding.
what % sJIA have persistent arthritis
In ~40–50% of patients, the arthritis resolves completely.
50% of the children may have a chronic course that includes persistent arthritis
Name 6 treatment options sJIA
NSAIDS for mild articular disease Steroids +- MTX Leflunomide Aza Abatacept Anti-tnf (less for systemic JIA >JIA) Anti-IL-1 (anakinra) Anti IL-6 (toci) Stem cell transplant
Average age onset AOSD?
Before age 30 in majority, usually young adults
What type of immune response is seen in stills, name 5 cytokines elevated?
Th1 response
TNFalpha IFN gamma IL-2 IL-6 IL-18
Name 6 non skin manifestations AOSD
- Fever-often 39+, daily in evening
- Sore throat
- Constitutional sx
- Hepatomegaly > splenomegaly
- Arthritis- symetric, knees wrists ankles, present in 65-100%, joint pain often with fever spike,
- carpal ankylosis-minimal pain but difficulty moving carpal bones, can also occur DIP, PIP and C-spein but sparing MCPS
- Other organists can occur but rare (pull fibrosis, pleuritic, pericarditis, myocarditis, nephritis
Name 5 lab findings in AOSD
elevated ESR/CRP Elevated ferritin thrombocytosis Leukocytosis Anemia
Describe the skin rash in AOSD
Salmon-pink Asymptomatic Transient, occurs with fever spikes Macular Points of pressure--> most often on trunk but can be extremities Koebner and flagellate erythema (rare) Eyelid edema (rare)
Violaceous to reddish brown, scaly, persistent papules and plaques can also occur
Pathology findings AOSD
Same as sJIA
mixed perivascular and interstitial infiltrate composed of neutrophils and lymphocytes–> “neutrophilic urticarial dermatosis”
dyskeratotic keratinocytes
Manistay treatment of stills? Name 4 other options
Prednisone first line MTX second line Toci (Îl-1) or anti IL-6 Ritux Anti-tnf
Relapsing polychondritis: For a diagnosis you need bx proven chondrites in 2/3 sites. What 3 sites?
Auricular
Nasal
Laryngotracheal
If only 1 bx site proven chondrites, you need what other criteria to make diagnosis?
At least 2 of the following: ocular inflammation vestibular dysfunction hearing loss seronegative inflammatory arthritis
Average age onset polychondritis?
20-60
Race most commonly affected polychondritis?
Caucasian
Proposed antigen being attacked in relapsing polychondritis?
Type 2 collagen
What % patients with relapsing polychondritis have autoantibodies ?
50% against type II collagen
Describe the cutaneous clinical features auricular chondrites
Erythema, swelling and pain of cartilaginous portion auricle, can last days to weeks, compromise hearing, eventually develop scarring and destruction of cartilage, sparing the earlobe
What are the most common sites of chondritis
Ear/auricle
Nose
Costochondral joints
Larynx, trachea, bronchi (respiratory tract)
Describe 10 manifestations of relapsing polyhchondritis
- Auricular chondritis
- Nasal chondritis and saddle nose deformity (pain, stuffiness, crusting, rhinorrhea, epistaxis and compromise of olfaction can occur)
- Chostochondral chondritis
- Respiratory tract chondritis with cough, hoarseness, choking, dyspnea, wheezing, or tenderness to palpation of the anterior neck in sites overlying the larynx or trachea –> airway obstruction or collapse, flail chest, and secondary pulmonary infections.
- Arthritis-asymetric, migrating, oligo
- Ocular inflammation
- Cutaneous lesions
- Renal- GN, AIN
- cardiovascular-aortitis, peri and myocarditis, conduction defects
- neurologic - cranial nerve palsies, vasculitis peripheral nerves
Name 7 non-cartilage cutaneous lesions in relapsing polychondritis
Apthae SVV annular urticarial lesions lived reticularis sweets EED Erythema nodosum
What is MAGIC syndrome
Mouth and genital ulcers and inflamed cartilage
-relapsing polychondritis and beeches overlap
Name 2 diseases associated with relapsing polychondritis
Myelodysplastic syndrome
Other autoimmune disorders
What features increase risk MDS in relapsing polychondritis
Apthous ulcers
Small vessel vasculitis
Pathology of relapsing polychondritis?
Neutrophilic infiltrates early–> lymphoplasmacytic later–> eventual fibrosis and granulation tissue
Name 10 things on ddx for nasal deformity or destruction
Infectious–> Bacterial, leprosy, tb/lupus vulgarisms, rhinoscleroma, dimorphic fungi (parcocci), syphillis (tertiary), mycobacterial, aspergillosis, leish
Inflammatory–> GPA, sarcoid, SAVI, PLAID,
Neoplastic–> Nasal NK T cell lymphoma (anglocentric T cell lymphoma), SCC, BCC, sarcomas
Cocaine use
Factitious/trauma
Most common causes of death in relapsing polychondritis
pneumonia, systemic vasculitis, airway collapse and renal failure
List 6 treatments for relapsing polychondritis
Prednisone mainstay NSAIDs and colchicine HCQ Other immune suppresants--> MTX. AZA, cyclosporine, MMF, cyclophosphamide) Anakinra Toci
4 factors associated with poor prognosis in SJogrens
vasculitis
hypocomplementemia
cryoglobulinemia
parotid enlargement
What are the ACR criteria for Sjogrens?
Score 4+
Must meet inclusion criteria and exclusion criteria
- SSA/RO + = +3
- Labial salivary gland with focal lymphocytic sialadenitis and focus score of ≥ 1 foci/4 mm = +3
- Ocular staining score 5+ in one eye
- Schirmer test less than or equal to 5mm in one eye/5 min
- Whole salivary flow rate less or equal to 0.1 ml/min
What are the inclusion criteria for Sjogrens ACR criteria
Must be yes to at least one:
(1) Have you had daily, persistent, troublesome dry eyes for more than 3 months?
(2) Do you have a recurrent sensation of sand or gravel in the eyes? (3) Do you use tear substitutes more than 3 times a day?
(4) Have you had a daily feeling of dry mouth for more than 3 months?
(5) Do you frequently drink liquids to aid in swallowing dry food
What are 7 exclusion criteria of Sjogrens (can’t have these)
- AIDS
- Sarcoid
- Amyloid
- H/N radiation
- Active Hep C
- GVHD
- IgG4-related disease
What medications should be stopped before evaluating for SJogrens
Anticholingergics
Prevalence of Sjogrens in population? M:F ratio? Average age onset?
F:M 9:1
0.3-0.6% pop’n
4th/5th decade in onset
3 most common disease associations in Sjogrens (Secondary sjogrens)
rheumatoid arthritis
systemic lupus erythematosus (LE)
scleroderma
What is the disease with 20x increased risk in Sjogrens
Lymphoma
*These B-cell lymphomas are often extranodal and can originate in salivary as well as lacrimal glands
Major defining features of Sjogrens
Xeropthalmia–> can lead to e keratitis, corneal thinning and ulceration, and recurrent infections
Xerostomia–> can lead to dental caries, salivary gland infections, GERD, thrush,
Vaginal dryness–> candida
How to test for xeropthalmia
Sschirmer test
or
Corneal evaluation by optho–> fluorescein
How to test for xerostomia
Salivary gland scintigraphy
Sialometry
Parotid gland sialography
*Salivary gland biopsy most commonly done
Most common cutaneous manifestation Sjogrens
Xerosis with pruritus
Name 7 cutaneous manifestations Sjogrens other than xerosis
*Purpura palpable and non palpable, petchiae--> lots of reasons Cutaneous SVV Hypergammaglobulinemic purpura of waldenstrom--> capillarities or petechiae Urticarial vasculitis Annular erythema Erythema nodosum Nodular amyloidosis Sweets syndrome Cryoglobulinemia Raynauds
Name 3 RF for developing B cell lymphomas and increased mortality
vasculitis
cryoglobulinemia
hypocomplementemia
Extraglandular sjogrens organ involvement, name 5
Lungs-interstitial pneumonitis
Renal -interstital nephritis
Bone marrow
Neuro–> peripheral neuropathy, short term memory loss, depression, hearing loss
Arthritis*–> polyarticular, non-erosive, chronic and progressive, and it can be asymmetric, knees and ankles
What type of lymphoma are Sjogren’s patients at risk of developing
B-cell lymphomas, often extranodal in origin (e.g. salivary glands, lacrimal glands) and usually marginal zone lymphomas of the MALT origin
Name 5 lab findings in Sjogrens
SSA- 60-80% SSB-40-60 ESR RF Hypergammaglobulinemia
Treatment xerophthalmia
- artificial tears
- punctal plugs
- topical cyclosporine
- home humidifiers
Treatment xerostomia
Lifestyles: stop smoking, reduce salty/spicy/acidic foods and drinks, lower sugars/carbs (dental caries), avoid anti-histaminesand anticholinergics, use sodium bicarb rinses, humidifiers, DENTAL CARE
Saliva substituteS: Biotene spray or gel, lozenges
Saliva stimulants:
- local–> xylitol containing gums/lozenges
- systemics: Pilocarpine, cimevuline
When to consider systemic treatment in sjogrens
Cutaneous vasculitis or internal organ involvement
Name 4 systemic treatments for Sjogrens
Prednisone
MTX
MMF
AZA
What antibody associated with MTCD
U1RNP
Major cause of death in MCTD
pulmonary hypertension