MSK Flashcards
transient synovitus
self limiting inflammation of hip joint in kids 3-10 years that causes limp and tends to follow a viral illness
-will look like septic joint but will NOT have kocher criteria
**if it doesn’t resolve, consider imaging for legg calves perthes
gout crystals on synovial fluid analy:
needle shaped, negatively birefringent crytsals
high uric acid states (thiazides, chemo, malignany, hemolytic anemias)
pseudogout crystals
rhomboid, positively birefringent crystals
CPPD
how do you manage clavicle fractures?
basically, if its non displaced and no worries about vessel involvement –> simple sling
if displaced, surgery
what should empiric osetomyltisi abx look like?
MRSA- vanc
anti-pseudomonal- FQ, cefepime, ceftazidine
appearance of osteomyelitis on MRI? diagnostic test?
periosteal elevations with osteolytic lesions of the metaphysis
bone bx is definitive!! not blood cultures
legg calves perthes
Most common= 6yo with insidious onsent antalgic gait
-<6 yo= conservative= CAST
(>8= femoral osteotomy)
septic arthritis kocher criteria
non weight bearing
ESR/CRP >40
WBC >12k
fever >38.5
in general, when do fractures in kids go to the OR?>
displaced or in growth plate!
Ewing sarcoma
boys < age 15 11;22 MIDDLE (diaphysis) of long bones onion skinning (lamallated periosteal reaction) small blue cells
osteosarcoma is associated with what?
rb –> look for sunburst pattern at the distal ends of long bones
Paget’s dz of the bone –> look for older man with high ALP and skeletal deformity
LiFraumini’s!
initial signs of compartment syndrome
pain with passive movement
parasthesias
swelling
loss of peripheral pulses are a LATE finding
age range of scpe? treatment?
13-15
femoral pinning through epiphysis
tx for fibromyalgia?
low dose TCA
osteogenesis iperfecta
BITE bones I (eyes) teeth ears --> hearing loss
