Rheumatology Flashcards
clinical features of fibromyalgia
- diffuse aches/pain > 3 months, arthralgias
- paresthesias(numb,tingle,burning,creepy/crawling sensation)
- fatigue,sleep and mood disturbance,depression/anxiety
- headache, IBS,no inflammatory muscle and joint disease
- tenderness >11 of 18 tender point sites
fibromyalgia
*most common cause of generalized musculoskeletal pain in women 20-55 yr of age, F:M ratio >6, 2% population
Tx fibromyalgia
- tx comorbid:mood disturbance, sleep disturbance
- regular aerobic exercise, cognitive behavioral therapy
- low dose amitriptyline 25-50mg or flexeril 10-30mg hs
- pregabalin, duloxetine or milnacipran (serotonin-norepi)
- ultram and or tylenol
septic joint fluid analysis
- purulent
- glucose very low
- > 80,000 leukocyte count (>75% PMNs)
joint fluid analysis in gout
- needle shaped
* negative birefringent under polarizing microscopy
Joint fluid analysis of pseudogout
- rhomboid-shaped
* weakly birefringent under polarizing microscopy
pain in the buttock radiating to one leg with tendernes in the sciatic notch
piriformis syndrome
antibody assoc w SLE
dsDNA,Sm (smith)
antibodies assoc with drug induced SLE
histones
antibodies assoc with subacute cutaneous SLE
Ro, SSA
antibodies assoc with scleroderma
Scl 70
antibodies assoc with CREST
centromere
antibody assoc with mixed connective tissue disease
RNP
antibody assoc with polymyositis, dermatomyositis
Jo1, anti-SRP, anti-Mi-2
antibody assoc with Sjogren syndrome
Ro/SSA, La/SSB
antibody assoc with Wegener granulomatosis
C-ANCA (Ab to proteinase-3)
antibody assoc with Churg-Strauss and microscopic polyangitis
P-ANCA (Ab to myeloperoxidase)
antibody assoc with Rheumatoid arthritis
RF, CCP (cyclic citrullinated peptide)
diagnostic criteria for Rheumatoid arthritis
- pt must have at least 1 swollen joint not explained by another disease plus 6 more point below:
- Joint involvement
- serologic studies
- acute phase reactants
- disease duratin
common joints involved in RA
- metacarpophalangeal
- proximal interphalangeal
- wrist
- metatarsophalangeal joints
Poor prognostic factors in RA
- early onset of severe synovitis w functional limitation
- older age, female sex, cigarette smoking
- bony erosions
- high titerrs RF or anti-cyclic citrullinated peptide antibodies
- elevated sed rate and c reactive protein
- family hx of severe RA
- extra articular manifestations
- positive HLA-DRB1 0401 or HLA-DRB1 0404
how to monitor acitvity of rheumatoid arthritis?
sed rate
c reactive protein
strong risk factor for development of RA
- smoking
* smokeless tobacco does not increase the risk
poor prognastic factors in rheumatoid arthritis:
- early onset severe synovitis w functional limitations
- older age, female sex, cigarette smokers
- bony erosions
- high titers RF or anti-cyclic citrullinated peptide antibodies
- elevated sed rate and CRP
- extra articular manifestations
- family hx severe RA
- positive HLA-DRB1 0401 or 0404
How to monitor activity of RA?
sed rate and CRP
smokeless tobacco
does NOT increase risk of RA
Treatment of RA
- NSAIDS
- steroids-bridge to effective DMARDs, dose <10mg/d
- DMARDs-disease modifying antirheumatic drugs
- Biological agents
DMARD’s
- initiate within 3 months after diagnosis
- prior to start of these, give patient:influenza, pneumococcal, hepatitis B and herpes zoster vaccines
- non biological agents: methotrexate (folate antagonist)**BEST initial therapy, others: sulfasalazine, hydroxychloroquine, minocycline, leflunamide
- biological agents: TNF antagonists and NON-TNF agents
methotrexate contraindications:
liver and kidney disease
heavy alcohol consumption
those that plan pregnancy in near future
TNF antagonists:
- infliximab
- adalimumab
- etanercept
- certolizumab
- golimumab
Non TNF
rituximab
abatacept
toclizumab
anakinara
RA biologic agents
- not recommended to combine agents
- live vaccines are contraindicated, give vaccines one month prior to starting therapy
- goal of tx: no evidence of disease or inflammation
toxicity of methotrexate
- hepatotoxicity
- subacute pneumonitis-rare but can be fatal
- pulmonary fibrosis
- folic acid deficiency
- teratogenic-discontinue at least 3 months prior to pregnancy
hydroxychloroquin toxicity
*retinal toxicity-yearly eye exams
Leflunamide
hepatotoxic
teratogenic-when stop drug to get pregnant cholestyramine is used to help eliminate the drug
side effects of TNF agents
- TB reactivation- do PPD prior to start of therapy
- cancer/lymphoma
- vasculitis
- SLE like autoimmune disease
- demyelinating disorder
- aplastic anemia
- severe allergy and aseptic meningitis
- hepatotoxicity,optic neuritis, interstitial lung disease
contraindications to TNF agents
- current or recurrent infections
- TB
- MS
- SLE
- pregnancy or lactation
- uncompensated CHF
- active malignancy within 3-5 years (except skin cancers)
COX 2 inhibitors
- no effect on platelet function or bleeding time
- less GI toxicity
- renal toxicity similar to NSAIDS
- contraindicated if have Aspirin allergy
Side effects:
increase risk of Cardiovascular events-MI, CVA,HTN, heart failure, and death
complications of rheumatoid arthritis
- cardiovasc dz-#1 cause of death
- osteoporosis
- infections
- ruptured popliteal cyst-mimic DVT do ultrasound
- tendon rupture-unable to extend fingers
- atlantoaxial subluxation-may compress spinal cord, paresthesias, occipital headaches,urinary retention. do flexion xray cervical spine before intubation, do nasal intub w pt upright/neutral
- vasculitis-may see foot or wrist drop
Diagnostic criteria for SLE-4 or more of these required:
- malar rash
- discoid rash *non erosive arthritis
- photosensitivity *oral ulcers
- pleuritis or pericarditis
- persistent proteinuria or cellular casts
- seizures or psychosis
- cytopenias-hemolytic anemia,leukopenia/lymphopenia, thrombocytopenia *antinuclear antibodies
- anti-Sm, anti-dsDNA or antiphospholipid antibody
drugs that can cause drug induced Lupus:
- hydralazine
- procainamide
- INH
- chlorpromazine
- quinidine
- minocycline
- TNF agents
- interferon alpha
- interleukin-2
clinical features of drug induced lupus
- fever, arthralgia and serositis
- antibodies and complement are normal
- 95% have antihistone antibody (>50% in SLE)
- NO kidney or CNS involvement
Anti-Ro/SSA antibody assoc with
- subacute cutaneous lupus
- neonatal lupus
- photosensitivity
- ANA negative lupus
- thrombocytopenia
- Sjogrens syndrome
- neonatal lupus dermatitis
Antiphospholipid Antibody syndrome
- anticardiolipin antibodies (IgG,IgM)
- lupus anticoagulant
- anti-beta2 glycoprotein 1 antibodies
- can occur as independent syndrome or secondary to SLE
Clinical features-antiphospholipid antibody syndrome
- venous thrombosis, arterial thrombosis
- pregnancy loss
- elevated PTT (normal PT), thrombocytopenia
- livedo reticularis
- cardiac valve disease
- thrombotic microangiopathy- renal failure,HTN,proteinuria
- Catastrophic syndrome- thrombosis in at least 3 organs, 50%mortality
treatment antiphospholipid syndrome
- asymptomatic-no tx
- thrombotic episode-heparin then warfarin
- pregnancy
- no prior abortion-no tx
- hx preg loss=>aspirin plus heparin
- hx prior thrombus=>full anticoag w heparin
skin manifestations of SLE
- butterfly rash
- subacute cutaneous lupus
- discoid lupus
- alopecia
- mucosal ulcers, Raynaud’s phenomenon
renal manifestations of SLE
Glomerulonephritis
*mesangial, focal proliferative, diffuse proliferative, membranous, advanced sclerosing
CNS mainifestations of SLE
- peripheral neuropathy
- mononeuritis multiplex
- cranial neuritis
- transverse myelitis
- aseptic meningitis
- stroke
- seizure
- encephalitis
- psychosis
lung manifestations of SLE
- pleuritis
- lupus pneumonitis
- alveolar hemorrhage
- pulmonary HTN
*interstitial lung disease
CVS manifestations of SLE
- pericarditis
- endocarditis
- myocarditis
Joint manifestations of SLE
- arthralgias
* arthritis
Hematologic manifestations of SLE
- leukopenia
- thrombocytopenia
- autoimmune hemolytic anemia
Causes of death with SLE
- # 1-coronary artery disease
- infection
- organ damage
tx of SLE
NSAIDS
low to high dose steroids depending on location/type of symptom
hydroxychloroquine-skin rash w low dose steroid
immunosuppressive drug and high dose steroid-severe s/s
diffuse proliferative GN-see next card
SLE tx of diffuse proliferative glomerulonephritis
- Induction-prednisone + mycophenolate or cyclophosphamide
* Maintenance- mycophenolate
Scheroderma type and antibody assoc with that type
- Limited scleroderma-anti=centromere
- Diffuse scleroderma-SCL-70
- Overlap-assoc w other rheumatic dz like polymyositis- RNP
Limited scleroderma
- distal to elbow and knees
- may affect face
- CREST syndrome
- pulmonary artery hypertension
Diffuse scleroderma
- proximal to elbow and knees
- may affect the face
- interstitial lung disease
- scleroderma renal crisis
CREST syndrome
- Calcinosis
- Raynauds
- Esophageal dysmotility
- Sclerodactyly
- Telangectasias
skin manifestations of scleroderma
- swell and puffiness in digits & hands
* terminal digital pitting ulceration or gangrene
musculoskeletal manifestations of scleroderma
- inflammatory nonerosive arthritis
- loss of joint mobility due to fibrosis of the skin
- tendon friction rubs-predict the development of aggressive diffuse skin involvement and visceral complications
vascular manifestations of scleroderma
- raynauds phenomenon
* abnormal nailfold capillaries
GI manifestations of scleroderma
- GERD caused by lower esophageal sphincter tone
- dysphagia-stomach, sm bowel, colon may see ileus and pseudo-obstruction
- diarrhea due to bacterial overgrowth due to dysmotility
- GI bleeding from mucosal telangiectasis and gastric antral venous ectasia
- wide mouth diverticula
Scleroderma renal crisis
- most common cause of death
- HTN, microangiopathic hemolytic anemia, proteinuria, azotemia, thrombocytopenia
- *high dose steroids increases risk for this
Tx:
ACE inhibitor w aggressive titration even if pt on dialysis
*even in pregnancy with this complication ACE is used
Pulmonary artery Htn and intersitial lung disease of scleroderma
- both are poor prognosis predictors
- detect by periodic PFT’s and ECHO for early detection PAH
*right heart cath w suspected PAH on ECHO
cardiac manifestations of scleroderma
*cardiomyopathy w systolic or diastolic dysfunction
Primary Raynaud’s phenomenon
- attacks are mild
- symmetrical involvement of both hands
- no digital ulcers or gangrene
- no clinical features suggestive of a secondary cause
- normal ESR
- negative ANA
Primary Raynauds-aggravating factors
- nicotine,narcotics,estrogen, interferon
- cocaine, sympathomimetic agents
- carpal tunnel syndrome
- use of vibrating tools
Work up of secondary raynauds
- ANA
- RF
- C3,C4
- SRER
- cryoglobulins
treatment of primary Raynaud’s phenomenon
- stop smoking
- avoid cold exposure
- nifedipine, aspirin, topical nitrates- if it interferes with daily activity or assoc with digital tip ulcers
Seronegative Spondyloarthropathies-diseases in this group:
- ankylosing spondylitis
- psoriatric arthritis
- reactive arthritis
*enteropathic arthritis: Crohns
Ulcerative colitis
Whipple disease
Common feature of seronegative spondyloarthropathies
- sacroiliitis and spondylitis
- peripheral asymmetric arthritis
- enthesopathy
- HLA B27
- negative RF & ANA
- involvement of other organ systems: eye, aortic ring, skin, mucosa
clinical features of ankylosing spondylitis
- insidious onset
- low back pain and stiffness, worse in am, better w activity
- reduced forward flexion of the spine
- male preponderance, peak age onset age 20-30
- inflammatory asymmetrical peripheral arthritis:hips, shoulders and other peripheral joints
- decreased chest expansion
- elevated sed rate and CRP
- negative ANA, RF
diagnosis of ankylosing spondylitis *xrays of sacroiliac joints showing sacroiliitis=>MRI if xray (-) *spine: squaring of vertebral body syndesmophytes bamboo spine
*95% (+) HLA B27 but itself is not diagnostic
complications of ankylosing spondylitis
- aortic insufficiency
- Uveitis
- pulmonary fibrosis
- spinal fracture with minimal trauma
- amyloidosis and cardiac conduction defects
Tx ankylosing spondylitis
- NSAIDS
* TNF agents
clinical features of Reactive arthritis
- spondyloarthropathy 1-3wks after enteric or urogenital infection - #1 chlamydia
- 85% HLA B27 positive
- rash palms & soles, circinate balanitis
- severe if HIV pt- do HIV testing in all w this arthritis
- TRIAD:arthritis, conjunctivitis, urethritis or cervicitis
- acute, asymmetric inflam. oligoarticular arthritis of lower extremity
- pleuropericarditis, aortic regurg.,amyloidosis, neuro symptoms
Tx reactive arthritis
- NSAIDS
- intraarticular steroids
- sulfasalazine
- cytotoxic tx: azathioprine, MTX-NOT IF HIV +
clinical features of Psoriatric arthritis
- erosive peripheral arthritis: symetrical or asymetrical
- involvement: DIP joints, spondylitis
- nail changes: pitting, onycholysis
- 10% (+) RF or CCP antibodies
- (+) CCP correlates with erosive disease
treatment of psoriatric arthritis
- NSAIDS
- MTX for skin and erosive joint disease
- TNF agents
- *NO anitmalarials or steroids=> may aggravate psoriasis
Inflammatory Bowel disease associated arthritis
- acute and remitting peripheral arthritis correlates w bowel inflam.
- spondylitis does NOT correlate with bowel inflammation
*relapsing or chronic peripheral arthritis w predominant involvement of MCP joints => less correlation w intestinal inflammation
Gout
acute inflammatory arthritis induced by deposition of monosodium urate crystals in synovial fluid and other tissues and is assoc with hyperuricemia
Risk factors for gout
- thiazides, cyclosporine, low dose aspirin
- increase dietary purines
- ethanol, soft drinks, fructose
treatment acute gout
*NSAID-tx of choice:naproxen 500mg BID x 5 days
indomethacin 50mg TID x 2 d then 25mg TID
x 3 days
*steroids-prednisone 30mg /d for 5 days
- colchicine 1.2mg at first sign of gout then 0.6 mg one hour later
- intraarticular steroids- if limited to one or two joints
indications for lowering uric acid
- frequent & disabling attacks of gouty arthritis =/> 2 per year
- tophi
as above
begin uric acid lowering therapy
- not in acute gout
* start tx 2-4 weeks after flare of gout has resolved
goal of uric acid lowering meds
uric acid level <6
flare prophylaxis during initiation of urate lowering therapy
*colchicine 0.6 mg BID or naproxen 250mg BID x 6 months
Tx of hyperuricemia (gout)
- Probenecid: avoid if hx kidney stone, creatinine cl <30
- allopurinol
- Uricase
Pseudogout (CPPD disease)
- may cause inflammatory or degenerative arthritis
- calcium pyrophosphate crystals: rhomboid shape, weakly birefrinent
- common: knees, wrists, hips,shoulders, elbows, MCP’s
- xray: chondrocalcinosis
- eval: ca++, Phos, alk phos, ferritin, iron , TICB, TSH
- tx: NSAIDS, steroids - oral, IM, intraarticular
- recurrent-colchicine or low dose NSAIDS
causes of pseudogout
- hyperparathyroidism, hemochromatosis, hypothyroidism
- low P, low Mg, high calcium
- gout, amyloidosis, Wilson’s disease
clinical features of polymyalgia rheumatica
- subacute or insidious onset pain & stiffness neck, shoulder, pelvic girdle muscles +/- local tenderness
- usually > age 50
- fatigue, low fevers, weight loss
- limit of active and often passive ROM of shoulder due to pain
- asymetric nonerosive peripheral arthritis, carpal tunnel syndr
- swell & pitting edema -dorsum of hands
- high sed rate and CRP
- no muscle weakness
treatment of polymyalgia rheumatica
- prednisone 15mg/day-dramatic response and taper slow as tol.
- follow sed rate and CRP
- MTX can be used as steroid sparing agent
- if no response to tx, consider temporal artery biopsy
Temporal arteritis (GCA)-giant cell arteritis
- patchy granulomatous vasculitis
- medium size and large arteries
- usually > age 50
clinical features of temporal arteritis
- headache, temporal artery tenderness, fever
- jaw, pharyngeal or tongue claudication
- symptoms of polymyalgia
- transient vision loss may go to blind,diplopia,ptosis, visual
hallucinations
*involvement of aorta and its branches can lead to : TIA, CVA, arm claudication, unequal BP’s, aortic regurg, aortic aneurysm or dissection
diagnosis of temporal arteritis
- high sed rate and CRP
- color duplex U/S: dark halo around lumen of temporal artery
- temporal artery biopsy- if negative one side, biopsy the other
- MRA or CTA for large vesel vasculitis
treatment of temporal arteritis
- high dose prednisone and slow taper, usually 1-2 years!
- add aspirin if not contraindicated
- MTX if patient has difficulty getting off prednisone
Polyarteritis nodosa
- involves medium & small size arteries, systemic involvement
- mononeuritis multiplex with foot drop or wrist drop
- Dx: biopsy of involved area
- Tx: prednisone & cyclophosphamide
Allergic granulomatosis (Churg Strauss syndrome)
- predominant lung involvement
- with eosinophilic infiltrates and eosinophilia
- Tx: prednisone & cyclophosphamide
Wegeners granulomatosis
- granulomatous vasculitis of upper & lower resp. tract
- necrotizing glomerulonephritis, systemic symptoms
- recurrent: sinusitis, OM, bloody nasal discharge
- SADDLE NOSE DEFORMITY
- cough, dyspnea, hemoptysis, lung nodules
- Dx: C-ANCA, tissue biopsy (kidney, lung)
- Tx: prednisone, cyclophosphamide +/- plasmapheresis
Henoch-schonlein purpura
- see child after URI
- purpura, arthralgia, abdominal pain, GI bleeding
- renal involvement with IgA deposition
- normal serum compliment
- skin biopsy: leukocytoclastic vasculitis w IgA deposition
- Tx: analgesics, steroids for progressive disease
Leukocytoclastic vasculitis
- small vessels with predominant cutaneous involvement
- purpura, skin nodules, ulceration, urticaria, livedo reticularis
- causes: drug reaction, infections, serum sickness or autoimmune disorders
- Tx: antihistamine, colchicine, dapsone, steroids
Takayasu’s Arteritis
- involves aorta and its branches
- patchy granulomatous vasculitis
- unequal or absent peripheral pulses, systemic symptoms
- affects young women
- Tx:steroids
Microscopic Polyangitis
- most common cause of pulmonary-renal syndrome
- glomerulonephritis & pulmonary capillaries
- (+) P ANCA
* renal biopsy: pauci-immune necrotizing glomerulonephritis (similar to Wegeners)
types of polymyositis & dermatomyositis
- idiopathic
- assoc w other collagen vasc dz (overlap myositis, +RNP)
- assoc w malignancy
Rashes assoc w dermatomyositis
- Grottons papules-scaly rash over extensor surface of hand joints
- Heliotrope rash-violaceous discolor of eyelid &periorbital area
- rash involving anterior neck and chest (V sign), photosensitive rash
- mechanics hands-scaly lesions w fissuring of the skin over the lateral margins of fingers
clinical features of Polymyositis & Dermatomyositis
- proximal muscle weakness
- elevated: CPK,aldolase,AST/ALT, LDH
- abnormal nail fold capillary changes
- oropharyngeal dysphagia if those muscles are involved
- antisynthetase syndrome
- anti-SRP(signal recognition particles)-assoc w severe polymyositis & aggressive disease
- anti-Mi-2 seen in dermatomysositis
Sjogrens syndrrroe
- lymphocytic infiltration of exocrine glands
- dry eyes, dry mouth & dental caries
- bilateral parotid enlargement
- interstitial lung disease
- cutaneous vasculitis, interstitial nephritis w distal RTA
- increased sed rat, and increased globulins
- (+) ANA, RF, antibodies to Ro/SSA & La/SSB
- increased risk of lymphoma
- Dx:lower lip bx-lymphocytic infiltration
septic arthritis-etiology
- N gonorrhea
- S. aureus
- gram (-) bacilli
- pneumococcal
- streptococci
septic arthritis-risk factors
- chronic arthritis
- diabetes
- steroid use
- hemodialysis
- malignancy
- IVDU
- GC-incr of dissemination during pregnancy & menses
septic arthritis- diagnosis
- synovial fluid cell count-25000-100,000 w >90% PMN’s
- synovial fluid gram stain & culture
- blood culture
- culture other sites if GC is suspected
septic arthritis-treatment
- gram (+) cocci=vanco
- gram (-) bacilli= 3rd gen ceph + aminoglycoside
- gram stain negative-rocephin & vanco
* drug addict- ceftazidime +/- gentamicin
septic arthritis in prosthetic joint
*early (<3 months after surgery)-virulent organisms: S.aureus and gram (-) bacilli
*late (after 3 months)- coagulase negative staph
Lumbar nerve root compression
- L4: absent knee jerk
- L5:impaired dorsiflexion of foot and toes
- S1:impaired plantar flexion of foot & toes, absent ankle jerk
- SLR (+) L5-S1 nerve root involvement
- reverse SLR (+) L2-L4 nerve root involvement
Paget’s disease
*osteoclast mediated bone resorption followed by imperfect osteoblast mediated bone repair
common bones involved with Paget’s disease
- skull
- pelvis
- vertebra
- femur
- tibia
symptoms of Paget’s disease
- bone pain
- headache
- back pain
- bowing of tibia
- warmth over affected bones
diagnosis of Paget’s disease
- elevated alk phos (r/o vit D deficiency)
- plain xrays: osteolytic areas, bone expansion, patchy osteosclerosis
- bone scan followed by radiography of hot spot
complications of Paget’s disease
- deafness, fractures, osteosarcoma
- osteoarthritis, spinal cord compression
- high output cardiac failure
treatment of Paget’s disease
- asymptomatic-no tx
- bisphosphonates-reduce pain and lowers alkaline phosphatase
- alk phos is useful marker of disease extent and activity
- calcitonin
osteoarthritis risk factors
- age,gender,race,obesity, repetitive use
- prior inflammatory arthritis
- hemochromatosis
- wilsons disease
- diabetes, hyperparathyroidism, acromegaly
- chondrocalcinosis
- ehlos-danlos syndrome, Marfan syndrome
physical findings-osteoarthritis
- crepitus
- bony enlargement
- bone tenderness
- absence of palpable warmth
- normal sed rate
- noninflammatory synovial fluid w WBC <2000
common joint involvement in osteoarthritis
- hip, knee, DIP, PIP
- first carpometacarpal joints
*xrays show: joint space narrowing
subchondral sclerosis
osteophytes
patient with moderate-severe knee osteoarthritis what do you recommend?
- acetaminophen
* quadriceps strengthening exercises
32 y/o with 3 wk hx pain and swelling of joints hands/feet. tick bite 4 weeks ago. removed tick within 2 hours. afebrile, VSS.exam:swell & tender MCP and prox. interphalangeal joints of both hands, feet swollen & tender MCP & prox as well. 3 yr old w fever and rash cheeks reently.lab:elev.CRP, sed rate
how will you confirm the diagnosis?
*IgM antibody to Parovirus B19 virus
60 y/o hx DM,HTN,gout has fever/chills,swell behind right elbow. T103,hr 120, bp 110/70. exam:marked pain,swell,erythema that extends above & below the elbow. lab: wbc 20K with 80% PMNs
whats next appropriate step?
aspiration of the olecranon bursa and start IV vancomycin
50 y/o female one month of dyspnea on exertion,decr exercise tolerance, edema feet/ankles. 10yr raynauds, recur heartburn,thick skin both hands.exam: 2+ pit edema feet/ankles, engorged JVP,prominent a waves, loud P2,S4,grade 3/6 holosyst. murmur LLSB, sclerodactyly hands, cxr normal . PFT-DLCO 55%
whats most likely diagnosis?
*limited cutaneous scleroderma w pulmonary artery hypertension
16 y/o boy fell on outstretched hand and has pain left wrist. exam: tender lateral wrist in anatomical snuff box, xray-no fracture. splint to immobilize and 2 wks later still has pain and repeat xrays still negative. now recommend?
bone scan
20 y/o female w intermittent fever, macular rash abdomen and polyarthritis x 6 weeks. the rash appears during temperature spikes. exam: generalized lymphadenopathy, mild hepatomegaly, palpable spleen tip, swell of knees, left ankle and right wrist. Lab: WBC 18K, 80% neutr., sed rate 100, neg RF,ANA, bld cult
most likely diagnosis?
*adult onset stills disease
56 y/o male gradually incr pain and swelling hand joints few months and decr libido. brother died cirrhosis. exam: swell/tender few MCP’s and prox. interphalangeal joints both hands in asymetrical fashion. skin is pigmented and liver slight enlarged. xray hands-OA. lab:glucose 175, mild incr AST/ALT,alk phos
what now recommended?
*serum iron, transferrin saturation and ferritin levels(hemochromatosis)
40 y/o male one week hx diffuse, intense burning right foot. severe pain w light touch of blanket. 2 wk age he fell and injured this foot. xray negative. exam: swollen tender w mottled cyanotic appearance and slight cold and moist compared to left foot. all pulses normal. likely diagnosis?
reflex sympathetic dystrophy syndrome