Pathognomonic Flashcards
Auspitz sign
Psoriasis (pinpoint bleeding spots from exposure of dermal papillae when scales are scraped off)
heliotrope rash
dermatomyositis
anti jo 1
dermatomyositis and polymyositis
Anti dna topoisomerase
Diffuse scleroderma
Anti centromere
CREST
anti citrullinated
Rheumatoid arthritis (citRUllinated)
Schaumann and asteroid bodies
Sarcoid (Asteroid has sarcoid)
Non caseating granuloma+ increased ACE
sarcoid
Anti smooth muscle
autoimmune hepatitis
Antihistone
Drug induced lupus
dactylitis
psoriatic arthritis
Assoc with temporal arteritis
polymyalgia rheumatica
Monosodium urate crystals
gout
calcium pyorphosphate crystals
pseudogout
Tophus
gout
Anti Ro
Sjogrens (also anti La) ribonucleoprotein
Anti La
Sjogrens (also anti Ro) ribonucleoprotein
Pannus
RA
HLA DR4
RA
Double bubble
Duodenal atresia or giant cell tumor of bone (epiphysis)
Blue cell tumor
Ewings sarcoma
Onion skin appearance in bone
Ewings sarcoma (also PSC and Tay sachs)
Glistening mass in medullary cavity
chondrosarcoma
Polyostotic fibrous dysplasia
(bone is replaced by fibroblast) think McCune Albright
Verrucae
warts– caused by hpv