Reumotology finals Flashcards
Which Vasculitis are associated with P-ANCA and which with C-ANCA
and each of those Ab, agianst which part?
**only the small vessel vasculitis:
**C-ANCA = Wegener (granulomatosis with polyangitis)
P-ANCA= Shug straus (EGPA) , microscopic polyangitis (MPA)
C- cytoplasmin»_space; PR 3
P- perinuclear»_space; MPO
If theres a vasculitis with both P and C anca positive.
it can be?
Drug induce vasculitis
mainly secondary to Cocaine use
What is the main Tx in vasculitis?
Steroids + cyclophophamide
what can be the use in Azathioprine (imuran) in vasculitis
what we have to check first?
maintanance- in GPA/MPA/GCA
must check levels of TPMT - related to severe cytopenias
RTX can be use in which type of vasculitis?
Microscopic polyangitis
granulomatosis with polyangitis - wegener
late onset neutropenia + HBV reactivation
small veseels.
which vascilitus can be treated with tocilizumab?
and what is the MOA
and C/I
GCA- giant cell arthritis (Temporal)
* also for RA as 2nd line
MOA- anti IL-6
C/I- Hx of diverticulitis
which anti suppresive medication can cuase hyperlipidemia + GI perforation?
Tocilizumab
toci li ze m-abdomnial
Mepolizumab can be use in which type of vasculitis?
EGPA
also for asthma
*remember- EGPA present with weird asthma
when we should give folate after tx with MTX?
a day after treatment
Granulomatosis With Polyangiitis (GPA)
What is the clinical presentation (triad)
Sinusitis, Otitis media, hemoptysis (think URI, LRI)
+
nephritic syndrome- hematuria + RBC casts
Upper resp. involv - 95%
lower- 85-90%
kidney - 77%
What we will see in CXR of Granulomatosis With Polyangiitis?
bi-lateral nodular infiltrate - to cavitations
in biopsy- necrotic vasculitis w/ granulamotosis
In which types of Vasculitis we will see pauci-immune?
all ANCA diseases:
GPA
EGPA
MPA
except- goodpasture syndrome (not a vasculitis)
Granulomatosis With Polyangiitis how we diagnose?
Biopsy- mainly from the lung
DDx for GPA- use of cocaine
C-ANCA
Which type of def. and substacne exposure will increase the risk for GPA
a1-AT and selica exposure
Tx for GPA + MPA
induction steroids + cyclophospamide (PO) (3-6month)
RTX- good as cyclo, given to pt with relapse
maintance- RTX (most effective )/ AZA/ MTX/ MMF (less effective) - at least for 2 years
50-70% יחוו הישנות
what is the different between
GPA to MPA
- MPA- w/o Upper respiratory tract involvment
- P-ANCA (and no C)
- No granulomas
could also be- mononeuritis multiplex (also in GPA)
almost the same disease
Clinical presentation of EGPA (Chaug strauss)
- late onset of weird asthma - rsistant to therapy,
- sinusitis
- neuropathy- Mononeuritis multiplex- second most common finding
- eosinophilis in labs, P-anca
Why should we perform echocardiography for every pt with EGPA?
will determine the prognosis and the aggresive to tx
What is the most significant cause of death in EGPA
cardiac disease
What is the prognosis of EGPA w/o Tx?
25% for 5 year survival
What is the Tx of EGPA?
mild disease- steroids, consider Mepolizumab
severe- like GPA and MPA
Which type of infection is associate with Polyarthritis nodusa (PAN)
HBV+
*check also for HBC
Which leukemia is a/w PAN?
hairy cell leukemia
Why kidney biopsy is not a good way to Dgx PAN?
beacuse this disease damage medium size blood vessels.
which mean »_space; the injury will be ischemic and will not see GN.
what is common sign in blood vessels in PAN?
and which Blood vessels are the most common?
Rosary sign- beads on string
look for this anurysms at the kidney, liver, mesenteric arteris.
on biopsy- transmural inflammation
Whats the Tx for PAN
Steroids + cyclophospamid
Clinical findings of GCA (Temporal)
headace
pain while eating
high ESR
pt > 50 can present with polymealgia rheumatica
major severe complication of GCA
Blindless»_space; due to obstruction of the ophtalmic artery ischemic optic neuropathy
1/3 of pt can present with disease involving the aorta -mainly thoracic leads to dicecction and anyrusms
how to Dgx PMR (polymaglia rheumatica)
Clinical:
high ESR
classic complains
rapid repsonse to low dose presnisone
with no symptoms related to GCA- no need to check
Aspirin- PPX for ischemic injury to coronary arteris
Tocilizumab- also effective in indution and remmision
Tx for GCA
* for “regular” disease
* for involvment of the eye
for regular disease-High dose Prednisone (40-60) for 1 month»_space; given low dose for around 2 yrs
for eye involvment- steroid palse 1 gr/day solmedrol X 3 days
Tx for PMR?
פולימיאלגיה ראומטיקה
prednisone- 10-20mg
IgA vasculitis (Henoch s.purpra)
Clinical menefistaion
Always after URI
Palpable purpura on butt and legs
GI- abdminal pain, malena
Kidenys- GN RBC + protein in urine
mainly a kids disease
Cardio involvment- not in kids!!
How we Dgx Hanoch schonlein?
skin biopsy- IgA-C3 complexes
high blood IgA- without any diagnostic of prognosis meanning
Tx for IgA vasculitis (hanoch)
Follow up.
steroids for relief of symptoms
Which vasculitis can present with RPGN
all small vessels vasculitis
GPA
MPA
EGPA
IgA vasculitis (hanoch)
Which artery is the most common injured in Takayasu?
Subclavian- 93% of cases
arm claudication, raynauds phenomenan
How to Dgx Takayasu?
and TX
Arteriography or CT/MRI
Tx- steroids + surgery approche , if can’t»_space; MTX
Cryoglobulinemic Vasculitis
what is the MOA
which type of nephropathy is common?
- MOA- Ab the sink in cold
- kidney- GN»_space; MPGN
Cryoglobulinemic Vasculitis
what is Type 1 vs Type 2
Type 1- monoclonal Ab, a/w monoclonal disease (MGUS, MM, WM)
Type2- can present with HCV / HIV immune complex (type III)
in Cryoglobulinemic Vasculitis
what will be the levels of
RF
C4
C3
ESR / CRP
and what we shold always look for?
- RF- eleveted
- C4- low
- C3- normal (rare)
- ESR/CRP- eleveted
always look for HCV infection
Behçet Syndrome
which type of HLA is found?
what is the systems involve / organs in this syndrome
HLA-B51
Systems- for diagnosis you need mouth ulcers + 2 of the 4 below
* mouth ulcers (not painful)- 98%
* reccurent genital ulcers- 80% most specific
* Skin lesions- acne like lesions, erythema nodosum, superfical thrombophlebitis,
* pathrgi reaction- hyperactivity reaction of skin to trauma- like needle
* eye lesions- pan-uveitis
and many more- CNS, GI, Thrombosis, anurysms of lung arteris
Which medication can be use in every one of the menefistations of Behçet Syndrome
Azathioporins
GI + EYE- combine with steroids
CNS- add Anti-TNF
When we will see deposition of Calcium oxalate in joints?
CKD
Which crystals are seen in Gout?
Monosodium Urate
uric acid > 6.85
Triggers for Gout attecks
everything that elevate uric acid levels:
1. red meat and seafood
2. alcohol
3. diuretics
4. Myeloproliferative disoder = high turnover (PV, ET, CML)
5. CKD (low GFR)
also seen in obesity and males
most common presentation of gout attack
mainly 1 joint- most times is the 1st MTP (Podagra) = toe
pass after 1-2 wks
Which physical finding can be seen in chronic hyperurecemia (a lot of gout attack)
Formation of tophi
Cheracteristics of the crystals in gout
Negetive bi-refrigiants
needle shape
Yellow in parallel
blue in perpandicular
Which medications can be use for gout PPX
Xhantine oxidase inhibitors
alloperinol- 1st line, can cause Steven jhonson, TEN
fubuxostat
must take with NSAIDS/ cholchicine in start- until tophi disapper or uric acid in target (the later )
Not during acute episode
the main use: Gout, PPX TLS
which 3 menefistations are a/w CPPD?
- a-symptomatic
- psuedo-gout
- psauso- OA
common finding in X-ray of CPPD joint
Chonsrocalcinosis
linear calcification of the joint
What defines the crystals in CPPD?
Rhomboids
positive Bi-regrignes
Blue in parallel
gout- needle shape, negitive, yellow in parallel
ESRD + vitamin C supplaments are major risk for which type of crystal deposition
Ca-Oxalata
Main cuase of death in SLE?
Cardio-vascular
Which Ab we might see in SLE?
- ANA-95%
- Anti-dsDNA
- anti-smith
drug induce SLE:
* Anti-histone
Which Ab are in correlation of neonatal SLE?
and which other disease is a/w this menefistation
Anti SSA- anti ro
Anti SSB- anti la
more common in womens with Sjoren Syndrome (this is the Ab a/w the disease)
Main menefistation of SLE:
- Musculoskeletal- Arthralgia/ polyarthritis
- cutaneous- photosensetivity, malar rash, discoid
- Hematologic- anemia of chronic disease. could be penia’s
- Cardio- Pericarditis, libman sack
- Renal- nephrotic syndtome
The difference between Sica syndrome to sjoren
Sica syndrome- dryness of eye and mouth. not present with anti-ro or anti-la (SSA + SSB)
most common presentation of SLE in lung
pleuralitis
what are the 4 main kideny menefistation of SLE
- Minimal mesangial LN (class I)
- Mesangial proliferative LN (class II)
- Focal LN (class III)
- Diffuse LN (class IV)
- Lupus membranous nephropathy (class V)
- Advanced sclerosing LN (class VI)
What is the indication of Hydroxychloroquine in SLE?
Recommended to all SLE pt
prolong life + reduce tissue damage
rq eye test once a year
Tx in non life thrething SLE?
- low dose sterodis
- AniFrolumab
- Belimumab
Faru and Bella - SLE is a women disease
Tx in SLE with organ damage?
- Steroids
- induction- Cyclophophamid / MMF
- maintancne- MMF / AZA
pregnency only AZA
when we will give ACEi / ARBS in SLE
lupus nephritis with protinura > 500
main risk in neonatal lupus
Complete Heart block
will need ICD
Pregnancy with Anti-phospholipid syndrome Tx
Enoxaparin - LMWH
+
Aspirin
קלקסן
Ab positive in Drug induce lupus
and which drugs
**Anti-histone
**
Drugs:
SHIPPP
Sulfa
hydralazyne
isoniazid
Procinamide
Phyntoin
PTU
anti- TNF
ANA can be also positive
Drugs associate with drug induce vasculitis
PTU
Hydralazine
Antiphospholipid syndrome (APS)
Which type of thrombus?
what are the Ab?
Vein + artery
Ab:
1. Anti-cardiolipin
2. lupus anticoagulant
3. anti b2-glycoprotein
What is catasthropic Antiphospholipid syndrome (APS)
Thromboembolic disease which involve 3 or more organs at the same time
What are the criteria for Dgx of Antiphospholipid syndrome (APS)
lab-at leat one of the Ab to be positive in 2 test with gap of at least 12 wks
Clinical criteria- one or more thromboembolic event
or
Pregnancy realted- IUD of normal fetus > 10wks, 3 or more abortion < 10wks, preterm labor < 34
one lab criteria and one clinical critera
Tx for Antiphospholipid syndrome (APS)
in pregnency and not
No pregnency- warfarin (comidin) for life. INR 2-3 after venous event, 3-4 after arterial event. or 2-3 + aspirin
Pregnant womens- Aspirin + LMWH (ppx dose), if event on Tx- LMWH thrapoetic dose / hydroxycholoquine / IVIG 5 days
Why we should be careful in given DOAC to pt with Antiphospholipid syndrome (APS)?
Found to increase the risk of Aterioemblic events
what are the Ab associated with both types of Scleroderma?
Diffuse- SCL-70 (anti-toposiomerase) + Anti-RNA polymerase III
Limited- Anti centromere
What is the main clinical features of RA?
- symmetrical polyarthritis
- Morning stifness > 1 hr
- Can present as a systemic disease - fever and ect.
Osteoarthritis is different in all of that
Which joint are typically effect in RA?
MCP + PIP
DIP is spare
in OA- DIP will be involve
Most common cause of death in RA
CV disease
all of the following are related to which type of autoimmune disease:
- Baker cyst
- Serositis- pleurolitis, pericarditis
- Subcutneous nodules
- eye involvment
RA
What is felthy syndrome?
Traid of RA + splenomegaly + neutropaenia
Eleveted fever in RA pt should raise a suspect for?
rheumatoid vasculitis
or
infection (septic arthritis)
Which Ab can present in RA?
which one is more specific
RF- in 75%
Anti-centrulline peptide (ACPA = Anti-CCP)- 75% pt but specifity of 95%
which Ab that present in RA is in correlation to worsen prognosis in extra-joints menefistatoin?
Anti-CCP
Which serious toxocity can cause hydroxycholoquine?
Retinal demege- irreversible (rq eye exmination pt > 40 yrs)
Which serious toxicity can cause sulfasalazine ?
Granulocytopenia
G6PD hemolytic
MTX affect on lung, liver, BM?
lung- intestitial pneumonitis
Liver hepatotoxicity
BM- myelodepresson (penia)
Which medication can reverse the affect of MTX?
Levcovorin
Side effects of Cyclophosphamid?
- Cystitis hemmorhagic
- SIADH- hyponathremia
- risk for bladder cancer
- infartility
Which immunosupressive medication should be screen first to PDD (TB)?
Infliximab (TNF-a inhibitors)
What is the only bilogic medication that not rq TBB test prior to administation
RTX
Which 4 medication rq serologic testing for viral hepatitis
- Anti=TNF
- RTX
- MTX
- ARAVA (leflunomide)
What is the most common medication for the use of RA (DMARDS)
MTX
C/I for MTX?
pregnanct
Cr > 2
ILD
Side effect of MTX
- Somatomatitis / mucositis
- BM depression- pancytopenia
- pneumonitis ~ PF
ARAVA (Leflunomide) similar to MTX
C/I for anti-TNF (infliximab)
HBV
CKD III/IV
might cause a reactivation of TB
in which case of RA we will use in RTX?
Refactory RA
What is the approch of Tx with RA?
- mild-severe disease- MTX
if after 3-6 month theres no desire outcome - move to combination therapy - Oral triple therapy- MTX + sulfasalizne + Hysroxycholoquine
- MTX + Leflunomife
- MTX + anti-TNF
Tx of ILD- high dose steroids + more immunosuppresent therapy
Axial spondyloarthitis with finding in imaging will be called:
Ankylosing spondylitis (AS)
Which HLA is prevelance in Ankylosing spondiloarthritis?
HLA-B27
90% in AS
50% in psoriatic arthritis
What are the 4 seronegetive spondyloarthritis?
- Ankylosing spondylitis
- Psoritatic arthritis
- IBD
- Reactive arthritis
they can also menifest toghter for exp- AS with IBD/ psoriasis
What is the most common symptom of Ankylosing spondylitis
lower back pain - 75%
inflammtory pain- night pain, pain in rest, improve in movment
pain in lumber region/ butt/ sacroiliac
Which cheracterisitc are present in all of the seronegetvie spondyloarthritis
- oligoarthritis - 2-4 joints
- a-symmetrical (mainly in lowe extremity)
- Dactilytis- sausage fingers
- enthersitis- ligament inflame in the insertion to the bone
- involve the axial spine
in RA: symmetrical, polyarthritis, mainly hands
- Ankylosing spondylitis
- Psoritatic arthritis
- IBD
- Reactive arthritis
Which Eye menefistation is the most common on AS (AxSPA)
Ant. uveitis ~40%, mainlt unilateral
Which extra skeletal menefistation can be present in Ankylosing spondylitis (AxSPA)
uveitis
Aortitis»_space; AR
Restrictive lung disease
How to Diagnose AxSPA
ankylosing spondlyartritis
Pt with back pain >3 month ang age < 45
criteria:
Sacroilitis on imaging + 1 < SpA features
or
HLA-B27 + 2 < SpA features
the features:
* inflammatory back pain
* Arthritis
* Enthensitis- heel pain
* ant. uvietits
* dactylitis
* psoriasis
* IBD realted
* HLA-b27
* elevete CRP
* family Hx of SpA
* good respond to NSAIDS
What test is the imaging when AxSpA is suspected?
MRI
What is the 1st line medication in AxSpA
NSAIDS - high dose long term
sendongf line - Anti- TNF (could cause secondary psoriasis due to tx)
Which bacteria can cause Reactive Arthritis?
Enteric or urogenital:
Entreric- Shigella, Salmonela, Yersina, Combylobacter jejuni
Urogenital- Clamydia throchomanis
mainly 1-4 weeks prior the symptoms
What is Rieter syndrome?
When reactive Arthritis present with Ant. uveitis + and dysurea
Can’t See Can’t Pee, Can’t Climb a Tree
Clinical features of Reactive arthritis?
after infection
can present with:
* oligo-a-symmetrial arthritis
* dactylitis
* enthritis
* oral ulcers
Keratoderma blennhorragica- vasicular rash with crust in hands and feets
Tx for Reactive Arthritis?
High dose NSAIDS
(arthritis last for 3-5 months)
Which seronegetive disease present with only the involvment of DIP (in hands)
Psoriasis arthritis
How many cases of psoriasis arthritis can present as symmetrical arthritis like RA
40%
a pt with psoriasis anf chenge in the nails will most likely will also have
Arthritis.
(psoriasitc arthritis)
90% of pt.
In which disease we will see “pencil in a cup”
Psoriasis arthritis
Which viral disease can cuse psoriasis arthritis?
HIV
what are the 3 best choice of Tx for psoriatic arthritis
- Anti-TNF- improve both skin and joint disease (check TB)
- Anti-IL17 (Sekucicnumab)- could make IBD worsen
- Anti-IL23
Which type of IBD is relates to AxSpA?
- Type I- joints < 5, comes with wosresning of the IBD
- type II- joints > 5, w/o correlation to the severity of the IBD disease/ flares
what is the Tx for IBD associated arthritis?
Anti-TNF
except ETNACEPT- only for RA or SpA
Which type of histological feature we will see in sarcoidosis?
Non- ceasting granulomas
TB- ceating granulo,as
How many pt will recover for sarcoidosis?
more then 50%
after 2-5 years
Which electrolyte disbalance sen in sarcoidosis?
Hypercalcemia- due to realese of a-1 hydroxylase from macrophages in alveoli»_space; more vitamin D active
What we will see in CXR of sarcoidosis?
and what is the most common fiding (in presentation)
- Hilar lymphadenopathy
- interstitial infiltrates
might progess to pulmonary fibrosis
most common findings- pt with cough and dyspnea and on CXR with lymphadenopathy
What are the 4 stages of sarcoidosis?
Stage 1- hilar LAD
stage 2- Adenopathy + infiltrates
Stage 3- infiltrates alone
stage- PF
What is the most sensitive test for interstitial disease?
in lung
DCLO
What is the extra-lung menefistation of sarcoidosis
- skin- Erythema nodosum- on shins
- eyes- Ant. uveitis (could also be post)
-
Heart- heart block, cardiomyopathy
4.** CNS-** bells palsy, motor deficit - liver involve in biopst ~50%
- **kidney- **CKD (hypercalcemia)
how to Dgx sarcoidosis?
- typical clinical presentation
- imaging
- biopsy of non-ceating granulomas
which test can support sarcoidosis if biopsy is negetive
- high ACE levels- not senstive nor specific
- PET scan- if many organs are involve
- BAL- lymp > X2 (sensetive), ratio CD4:CD8 > 3.5 - higly specific
Sarcoidosis is a CD4 cells disease which secrete»_space; **IL2 » TH1 prolifration +CD4 secrete ** INF-y»_space; activate of macrophages
and granuloma formation
Tx of choice in sarcoidosis?
in acute flate and also in chronic
Steroids
mild or a-symptomatic disease- just follow up
one organ invilve- topical steords
multi organ disease or /Brain, heart, eyes , hypercalcemia- systemic steorids
Which steroid sparing can be use in sacroidosis?
in acute flare + chronic disease
for acute flare
skin- minucyclin or hydroxycholoqine
MTX- affective in ~ 2/3 of cases
AZA- as MTX but more toxic
for chronic disease
Infliximab- effective in lung dsease. risk for TB reactivation
What is the CREST in limited scleroderma
CREST
Calcinosis
Rauneyds
Esophageal dysmotility
Sclerodactyly
Telangiecatia
Anti-centromere Ab
Which feature can be distinguish between a primary renualds to secondary
on capiloscopia abnormality of the nail bad- in secondary
How is the skin of a person with Scleroderma will look?
- face mask, fish mouth
- tight and thick skin
- Telangiectasia- mainly on the dace
- sclerodactulity- swollen fingers
What will be the lung function test in a pt with Systemic scleroderma
low volumes + DLCO
Pulmonary fibrosis
What is the test of choice for diagnosis of PF or ILD in scleroderma
Hgh resulotion CT
(HRCT)
Renal crisis and scleroderma:
* which type is more commen?
* Risk factors?
* what is a protective factor?
- more common in the diffuse type
- risk factors- anti-RNA pol III (Ab in diffuse with SCL-70), use of steroids, afroamericans, penia (of blood)
- protective factors- Anti-centromere
A pt with Scleroderma present to the ER with severe headace and visual disturbacne, BP 210/120. on CBC Thrombocytopenia with schistocytes with sings of AKI.
what is the Dgx?
what is the Tx?
Renal crisis
Malignant HTN (in 10% BP is no eleveted)
MAHA- with schystocyts
AKI
Thrombocytopenia
Tx
ACEi
Which disease are in correlation with PBC (primary billiary chirossis)
- Limited Scleroderma- 5-15%
- Hasimoto
- RA, SLE, Sjoren
Tx in Renal crisis in scleroderma
Short T1/2 ACEi- Captopril
If HTN persist- CCB, ARBS
consider- Eculizumab (against Complement system)
2/3 of pt will need dialysis later
90% mortality w/o treatment
Which Scleroderma Pt are at high risk for Renal crisis
4
- Early disease
- large skin involvment
- Tendon friciton rab
- Anti-RNA polymerase III
Avoid Steroids
What is the Tx of choice in PAH in scelroderma
Endothilin 1 receptor antagonist (Bisentan) / PDE-5 inhibitor (dildenafil)
Wha is the Tx of coice in Raynaud?
CCB- Dhydro / dilitazam
another option: ARBS
for refactory cases- PDE-5 inhibitors, a1 blockers, prostaglidins
ACEi- not effevtive in Renuyad
How the following conditions in scleroderma treated:
1. GAVE- watermelon stomach
2. GERD
3. Bacterial overgrowth- low B12 with high Folate
- צריבה באנדוסקופיה
- PPI
- Broad spectrum Abx- like Flagyl
Sjoren Syndrome clinical menefistation
Sicca- dry eyes
Dry mouth
Extranodular- only 30%, Arthritis/ arthralfia/ every organ.
hyperavtivity of B cells
Sjoren syndrome is a/w high risk of ———— lymphoma
MALT
Dgx of Sjoren syndrome
Anti-Ro (SSA
Anti LA (SSB)
if dgx is not clear»_space; biopsy with lymphocytes
must rule HCV
Which are the most common joints damage in Osteoarthritis?
Knee > hip > hands- DIP, PIP, 1st MCP (base of thumb) > cervical spine > lumbuscaral
in RA- no DIP involvment
Haberden’s nodes and bouchards nodes are clinical finding which we can see in ————-
osteoarthritis
DIP, PIP
היצרות הסדק המפרקי, סקלרוזיס וציסטות של עצם סאב-כונדרלית בהדמייה עם אוסאופיטים בקצוות העצם מכוון אותנו לאיזו מחלה?
OS
What finding will rule out Osteoarthritis in pancutre of the synovial fluid?
WBC > 10000
think of a different Dgx
Tx for OA
life changing, less stress on the joints
NSAIDS
steroids injections
What is IgG-4 related disease, what is the pathophysiology and which type of pt is most common in?
גבריפ בגיל העמידה
Tendency to create tumor like lesions with atophic clinical presenation. every part in the body can be involve.
also called type 1 autoimmune pancreatitis
What we will find in biopsy of IgG4 related disease
lympocytes and plasma cells which are positive for IgG4 + esoinophilia
Tx for IgG related disease
1st line- Steroids
refoctory / steroids not good enough- RTX
what are the 2 clinical signs patognemonic for Dermatomyositis?
Heliotrope rash- purple color and a bit adema in upper eyelid
Gottorn sign- red rash on hands joints and chunkles
Shawl and V sign- בחשיפה לשמש תיהיה פריחה אדומה סגלגלה, נראה כמו שאל / סימן וי של שיזוף
Which test rq for defenitive Dgx of Inflammatroy myopathies
Derma to + polymyositis
**Muscle biopsy
**
Dermatomyositic- inf. in perimysium. CD4 +
Polymyositis- inf. in endomysium. CD8+
What is the main different between polymyalgia reumatica to inflammatory myopathis?
in polymyalgia reumathica theres no muscle weakness- they will complain on stiff joints
How can er describe the pattern of muscle involvment in poly + Dermatomyositis
proximal + symmetrical muscle weakness
קושי לעלות במדרגות, להרים רגליים, להסתרק, לעמוד מתנוחת ישיבה
Which type of cancer is associated with Polymyositis and dermatomyositis
Adenocarcinoma
mainly dermatomyositis
Tx for Inflammatory myopathies
- Steroids
- MTX/ AZA
- IVIG- in severe cases / refactory cases
MMF instead of MTX if- CKD,liver induff. or ILD)
Cheracteristics of Inclusion body myopathy
- muscles invovle
- symmetric vs a-symmetric
- tx
- age
- muscles invovle- proximal and distal + muscle of the face and swallowing but not the eyes
- a-symmetric
- tx- steroids + AZA/ MTX
- age- males > 50
Which type of Vasculiitis can be seen in FMF?
Polyarthritis nodusa and HSP
Which type of Amyloidosis can be seen in FMF?
AA- mainly kidney involvment
Protenuria between FMF episodes
Tx for FMF?
daily Cholcince PO (1.2-1.8 mg)
can raise risk for trisomy 21
but overall - can take in pregnancy
2nd line- IL-1 inhibitors (Canakinumab)