Developmental Dz - Duerr Flashcards
Osteochondrosis dissecans (OCD)
- Disruption of _____ ossification due to ___ ____
- Osteochondral (w/subchondral bone) or ________ flap (w/out bone)
- Causes ____, _____, _____, and ____ Long-term
- Removal —> gap fills with fibrocartilage
- PX: ____ for shoulder!
endochondral
rapid growth
cartilagenous
pain, effusion, lameness
OA
Good
Angular Limb Deformity (ALD)
Remember the ‘paired bone system’ of Radius/Ulna
- premature ____ ___ physis most commonly injured physis
- Dx and tx early with ulnar _____
distal ulnar
ostectomy
*this will be discussed more in 773/774
What do we call physeal fractures?
Salter-Harris!
SH Classification:
\_\_\_\_\_ = through physis \_\_\_\_\_ = through physis and portion of metaphysis \_\_\_\_\_ = through physis and epiphysis = intraarticular \_\_\_\_ = through epiphysis, across physis, and through metaphysis = intraarticular \_\_\_\_ = crushing of physis = not visible on rads in acute stage... need serial rads! \_\_\_\_ = asymmetrical crushing of physis = assymetric type V --> serial rads!
I II III IV V VI
*Slide 10 has image
Hypertrophic Osteodystrophy - distruption of metaphyseal trabeculae in long bones of young, rapidly growing dogs
- Very ____ animals
- Breed: ___/____ dogs, ____ is predisposed
- Can be ____ ____
- ____ ____ on rads!
- _______ care
- Px: depends on ____ of dz
young (3-6 mo)
giant/large, Weimaraner
very sick (fever, depression, anorexia, diarrhea, wt loss)
double physis
supportive (analgesia w/NSAIDs, and GI protectants, rest)
severity (less severe has good to excellent px, but relapses may occur)
Panosteitis
- Occurs in _____ to _____ dogs
- _____ lameness, and ____ systemic signs!
- On rads we see _____ ______ in bone medullary cavities
- Tx: _____ and ____
- Px: _____ but may have additional bouts
teenagers to adults
shifting, no
increased opacity
pain meds and rest
excellent
Hypertrophic Osteopathy
- Occurs in _____ animals
- _____ limbs, and pt’s are reported as ____
- ______ lesions; bilaterally symmetrical periosteal rxn
- Assoc’d with ____/____ mass –> remove
- Px: depends on _____ ____
older
swollen, ADR
Pallisading
thoracic/abdominal
underlying dz