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
MCTD encompasses which AI diseases?
SLE-less likely renal
Systemic sclerosis-often pHTN
Myositis/polymyositis (rare to see DM findings)
RA-arhtirits ranges from mild to erosive
Name 6 core features of MCTD
- high-titer IgG anti-U1 ribonuclear protein (U1RNP) antibodies,
- Raynaud phenomenon-ulcers can occur
- swollen hands or sclerodactyly
- myositis-inflammatory, no DM usually
- esophageal dysmotility and GERD
- arthritis-mild to erosive
- pHTN in 25%
- Pleurisy and pericarditis
Name 8 cutaneous findings in MCTD
- Raynauds with ice pick digital infarcts, often nail fold capillaries show dropout
- Scleredema and sclerodatyly
- Poikilodermatous lesions on upper trunk and extremity
- ACLE or SCLE lesions
- Livedoid vasculopathy
- cSVV
- Calcinosis cutis
- cutaneous mucinosis
- RA nodules
- Oral mucosal lesions–> ulcers, septal perforation
2 lab findings suggestive pHTN in MCTD
APLS labs +
NtPROBNP
3 labs tests to help distinguish MCTD from SLE
Lack of:
- hypocomplementemia
- anti-dsDNA
- anti-Sm antibodie
How to distinguish MCTD vs. SSc
Severity arthritis and myositis
Name 10 cutaneous manifestations in or seen in RA
Palisading granulomas
- RA nodules
- Palisaded neutrophilic and granulomatous dermatitis (PNGD) and interstitial granulomous dermatitis (IGD)
Neutrophilic
- Pyoderma gangrenosum
- Sweets
- Neutrophilic lobular panniculitis
- rheumatoid neutrophilic dermatitis
Vascular
- Bywaters lesions
- small and medium vasculitis
- feltys
- EED
- Intravascular/intralymphatic histiocytosis
- Superficial ulcerating rheumatoid necrobiosis.
- drug cutaneous manifestations related separately
What % patients with RA get nodules
20%
What is a RF for rheumatoid nodules?
RF+ moderate to high titres
Where do rheumatoid nodules occur? What do they look like
Extensor surfaces and pressures points
Periarticular
*Forearms extensor, around elbow, around MCPS, PIPs and DIPS
Firm/Semi-mobile papulonodules often asymptomatic, skin coloured
What 2 medications are though maybe to stimulate nodulous?
MTX
TNF’s
*Also associated usually with steroid tapers tho so hard to know
What drug can cause a papular eruption whose histologic features overlap with those of interstitial granuloma annulare and interstitial granulomatous dermatitis
MTX
Pathology for RA nodules
Acute or early lesions may show leukocytoclastic vasculitis and/or an interstitial neutrophilic infiltrate.
central zone of eosinophilic fibrin surrounded by palisaded histiocytes, deep dermis or subcutis
DDX RA nodules
Subcutaneous granuloma annulare
gouty tophi
Synovial hyperplasia/cysts (softer, painful)
3 RF for RA vasculitis
high titre RF
severe erosive arthritis
RA nodules
When does RA vasculitis typically appear
Late stage
What % RA patients get vasculitis
2-5%, but up to 1/3 autopsies
How does RA vasculitis present on the skin
with palpable and non-palpable purpura in small vessel disease
nodules, ulcerations, necrotizing livedo reticularis, and/or digital infarcts in medium-sized vessel disease
Name 7 extra cutaneous manifestations RA vasculitis
neuropathies cerebral infarction scleritis alveolitis carditis intestinal ulcers renal involvement with proteinuria.
Most common non cutaneous manfiestiaon RA vasculitis
Neuropathy-mononeuritis multiplex
If suspect RA vasculitis but can’t get cutaneous biopsy, next step?
Nerve conduction studies follower by sural nerve bx or muscle bx
Mortality rate RA vasculitis
AS high as 40%
What are by waters lesions
Purpuric papules distal digits like pulp or nail fold thromboses
Path shows LCV
Not associated systemic vascular
What is Felty’s syndrome
Seropostiive RA
Splenomegaly
Neutropenia
Leg ulcers-often treatment resistant, pretibial
What is Felty’s syndrome
Seropostiive RA Splenomegaly Neutropenia-increase infix risk Leg ulcers-often treatment resistant, pretibial Increased risk lymphoma and leukaemia
Causes felty syndrome ulcers
Multifactorial, could be: PG Vasculitis Ulcerative PNGD venous HTN Neuropathy
What does Rheumatoid neutrophilic dermatitis resemble?
Clincally/histopathologically resembles Sweet’s
Often in seropositive RA
-erythematous urticarial papules and plaques that are persistent and asymptomatic, but occasionally ulcerate. Lesions are symmetrically distributed, most commonly on the extensor forearms and hands, but they can occur elsewhere.
How to tell PAN from RA vasculitis on path
Direct immunofluorescence in rheumatoid vasculitis shows prominent deposition of IgM as well as C3 in small and medium-sized vessels,
in polyarteritis nodosa the IgM and C3 vascular deposits are weaker and sparse and limited to medium-sized vessels.
Main ddx based on lab markers for RA vasculitis
Cryoglobulinemia due to + RF, vasculitis and low complements
*Cryo typically low C4 tho, lower titre RF
Ddx ulcers in RA
PG Vasculitis Infection from immunosuppresion Ulcerative PNGD Secondary APLS Angiocentric lymphomas Thromboembolic Suprecifical ulcerating necrobiosis
Ddx palisaded necrotizing granuloma
EGPA GPA Rheumatic fever nodule Palisaded neutrophilic granulamtous dermatitis - in association with AI-CTD (RA, vasculitis) Rheumatoid nodule
PAlisaded necrotizing granuloma with basophilic collagen degeneration, neutrophil dominant, C-ANCA +?
Most likely GPA
Palisaded necrotizing granuloma with basophilic degeneration or eosinophilic degeneration, eos dominant?
EGPA
Palisaded necrotizing granuloma, basophilic collagen degeneration, netrophil dominant and P-ANCA + or ANCA neg?
AI-CTD like RA or vasculitis
Palisaded necrotizing granuloma eosinohpilc degeneration that is neutrophil dominant? NExt step and ddx
RF+ —> Rheumtoid nodu;e
RF- —> Rheumatic fever nodule
Name 2 treatments RA nodules
Excision-but often recurs
ILK- often not complete resolution
Name 3 treatment options rheumatoid neutrophilic vasculitis
Steroids
DApsone
Colchicine
Name 2 treatments Feltys
G-CSF and/or splenectomy
Main tx for aggressvie RA vasculitis
Pulse IV pred + cyclo and plex
Name 3 tx options SVV in RA
MMF or AZA
*MTX often doesnt work
TNF’s
Ritux
Name 2 tx options RA PG
Steroids +Cyclosporine
TNFs
What is PAPA syndrome? What is the gene mutation?
Pyogenic sterile arthritis
Pyoderma gangrenosum
Acne
Mutation in PSTPIP1
Protein: CD2 binding protein 1
What is mode inheritance PAPA
AD
What is PASH?
Pyoderma gangrenosum, acne, suppurative hidradenitis
What is PAPASH
Pyogenic arthritis, pyoderma gangrenosum, acne, supparative hidradentitis
Name 6 hereditary periodic fever syndromes
Familial Mediterranean Fever (FMF)
TNF receptor associated periodic fever (TRAPS)
Hyperimmunoglobulinemia D with periodic fever syndrome (HIDS)
CAPS-Cryoporin associated periodic syndromes
- NOMID- Neonatal onset multisystem inflammatory disease
- Muckle Wells
- FCAS
What is mode of inheritance FMF
AR
What ethnicity does FMF affect
Turkish Sephardic jewwish (spain and portugal) Italian Armenian Arab
What gene is mutated in FMF? What protein?
Gene: MEFV
Protein: Pyrin
Average attack length in FMF
1-3 days
What are the cutaneous findings of FMF
Erysipeloid erythema and edema
Favors lower leg and foot
LCV/IgA vasculitis in 5-10%
Name 5 non cutaneous findings in FMF
Peritonitis > pleuritis >pericarditis Monoarthritis > exercised induced myalgia Rarely aseptic meningitis Acute scrotal swelling Splenomegaly
Name 1 laboratory finding in FMF
Low C5a inhibitor in serosal fluids
Treatment FMF-Name 3
- Colchicine ppx
- NSAIDS
- TNF inhibitors
- Thalidomide
- Herbal remedies?
Mode of inheritance HIDS
AR
Gene mutated in HIDS? Protein?
MVK
Protein: Mevalonate kinase
Key enzyme cholesterol pathway
Lengthj of attack in HIDS
3-7 days
Cutaneous lesions in HIDS
Erythematous macules and edematous papules which may become purpuric
Occasional vaginal and oral ulcers
Widepspread on face , trunk and extremities
Common to get HSP/LCV
Average onset of HIDS
6 months
Typical flare signs/symptoms HIDS
Fever Skin Cervical LAD Hepatosplenomegaly Abdominal pain, rarely serositis Arthralgias HEADACHE
What lab value is elevated in HIDS
High serum IgD (>100)
High IgA1 mevalonate in urine
Mode inheritance of HIDS
AR
Name 4 treatment options HIDS
Steroids acute attacks
Anakinra
TNF inhibitors
Simvastatin
Mode inheritance of TRAPS
AD
Gene and protein mutated in TRAPS
Gene: TNFRSF1A
ProteinL TNF receptor 1A
Length of attacks in TRAPS
Often over 1 week
Cutaneous features of TRAPS
Erythematous patches and edematous plaques often with annular or serpiginous
LAter ecchymotic
Rarely oral ulcers
Migrate distally on an extremity with underlying myalgia, may be more widespread
Flare symptoms of TRAPS
Skin
Peritonitis>Pleuritis and pericarditis
Migratory myalgia>Arthralgia >monoarthritis
Periorbital edema, conjuctivitis, rarely uveitis
Headache
Scrotal pain, splenomegaly, occasional LAN
Name 2 tx options TRAPS
Steroids
TNF inhibitor
Lab marker TRAPS
Low serum soluble TNF receptor-1 between attacks
What gene is mutated in the cryoporin associated periodic syndromes
NLRP3
Protein: Cryoporin
Mode inheritance of CAPS
AD for all of them
What chromosome is NLRP3 on?
1q44
What ethnic group typically sffected by CAPS
Any ethnic group
How does MWS present?
- flare length
- cutaneous findings
- extra cutaneous findings
1-2 days
Urticarial papules and plaques-widesapread on face, trunk, extremities
Non skin:
-abdo pain but rarely serositis
-Myalgias with lancinating limb pain
-arthralgias, sometimes large joint oligoarticular arthritis
-conjuctivitis, episcleritis, optic disc edema
-sensorienrural hearing loss
-headache
What % MWS develop amyloidosis
25%
Name 4 tx options MWS
Steroids
IL-1 antagonists : Rilonacept, canakinumab, Anakinra
Attack length in FCAS
Minutes-3 days
Cutaneous findings in FCAS
Cold induced urticarial papules and plaques
Extremities >trunk and face
Non cutaneous flare signs and symptoms in FCAS
Arthralgia>myalgias
Conjuctivitis
HEadache
Treatments FCAS: NAme 1
IL-1/IL-1R antagonists
Describe 8 features of NOMID
- Skin-urticarial papules and plauqes, occasionally ulcers on face, trunk extremities
- Often continuous disease, flares in between
- MSK: Epiphyseal and patellar overgrowth, arthritis, deforming arhtropathy
- Eyes: Conjuctivitis, uveitis, optic disc edema, blindness
- Neuro: sensorineural hearing loss, aseptic meningitis, seizures
- Lymph: LAN, HSM
- Dysmorphic facies, frontal bossing, protruding eyes
Treatment NOMID
Il-1/IL-1R antagonists