MS Infection, OA and Neoplasm and more? Flashcards
Joint aspirate leukocyte count for
Osteo?
Inflammatory arth?
Septic joint?
2000
5-50 thousand
more than 50,000
Septic arthritis meds for staph? NEisseria gon?
G negative?
Vanc
Ceft
Aminoglycoside
IV drug user with osteomyelitis?
Think pseudomonoas
Osteomyelitis imaging?
Bone edema on MRI
Osteomyelitis tx?
IV ANTIBIOTICS 4-6 weeks with incision and drainage
Lyme disease labs?
ELISA and western blot (like HIV0
Tx of late lyme disease?
Carditis encephaltis and arthritis: get ceftriaxone
Lung cancer affect on bone?
Lytic Lung
Breast is lytic and clastic
Prostate is clastic
Most common primary malignant bone tumor?
osteosarcoma
Labs osteosarcoma?
High ALK phos
High ESR
High LDH
need to biopsy
sunburst pattern on xray?
Osteosarcoma
codman triangle periosteal stuff pushing up on bone (important)
tx of osteosarcoma?
amputation
Osteochondroma is what?
Benign bone spur on metaphysis
H/P for osteochondroma?
irritated soft tissue
Tx: not necessary unless irritation to other stuff
Herberden nodes?
DIP (D is sooner in herberden)