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last minute MSK

QuestionAnswer
fibrinoid necrosis surrounded by palisading histiocytes subcutaneous rheumatoid nodules
baker's cyst behind the knee rheumatoid arthritis
MCP and PIP invovlement rheumatoid arthritis
type 3 hypersensitivity RA
anti-IgG antibody positive rheumatoid factor
anti CCP antibody less sensitive but more specific for RA
strong association with HLA DR4 RA
symmetric joint involvement, systemic symptoms (fever, pleuritis, pericarditis, fatigue) rheumatoid arthritis
tx is NSAIDS, COX2 inhibitors glucocorticoids, DMD (methotrexate, sulfasalazine) RA
increased risk of B cell lymphoma sjogren's syndrome
increased CK, increased aldolas, positive ANA, anti JO1 polymyositis and dermatomyositis
Gottron's papules, heliotrope rash, shawl and face rash, mechanics hands, increased risk of malignancy dermatomyositis
increased breast and lung cancer dermatomyositis
caused by CD8+ T cell induced injhury to muofibers polymyositis
most often involves shoulders polymyositis
progressive symmetric proximal muscle weakness caused by CD8+ t cell polymyositis
>11 of 18 tender points fibromyalgia
exotoxin attacks stratum granulosum SSSS
white, painless plauqes on tongue that cannot be scraped off hairy leukoplakia =- EBV
anaerobic bacteria and S. pyogeness -> creptius from methane and CO2 necrotizing fasciitis
infection of dermis and subq tissues from S. pyogens or s. aureus cellulitis
honey colored crusting impetigo s. aureus or s. pyogenes
monoarticular, migratory arthritis with an asymmetrical pattern gonococcal arthritis
synovitis (i.e. knee), tenosynovitis (hand), dermatitis (pustules) septic arthritis
chronic arthritis TB, lyme
causes of osteonecrosis/avascular necrosis trauma, high dose corticosteroids, alcoholism, sickle cell, prednisone
increased ESR, normal CK polymyalgia rheumatica
no muscular weakness, pain and stifness in shoulders, hips, fever, malaise, weight loss polymyalgia rheumatica a/w temporal arteritis
fibrinoid necrosis surrounded by palisading histiocytes Rheumatoid nodules
OA or RA has joint ankylosis (fusion)? RA
artery damaged in femoral neck fracture (common in osteoporosis)? medial femoral circumflex artery
thoracic outlet syndrome- sign radial pulse disappears when turn head to ipsilateral side of compression of brachial plexus and subclavian artery/vein by cervical rib
symptoms of GVHd jaundice, hepatosplenomegaly, diarrhea, maculopapular rash
Created by: ilovemusic007