Small Animal Musculoskeletal Part 1 Flashcards
if something is aggressive, what are the two categories?
neoplasia
osteomyelitis
what makes something well defined?
can trace the outer border of it
usually homogenously radiopaque
what are some examples of well defined periosteal reactions?
callous formation after fractures
inactive periosteal reactions
aggressive reactions are ________ defined, irregular and smooth
ill
what are the types of lysis?
geographic
moth-eaten
permeative
what is the least aggressive type of lysis?
geographic
what is the most aggressive type of lysis?
permeative
are the patterns of lysis usually present together?
yes- mixed often present
what rate of change is more aggressive?
fast change
on follow-up radiographs
a ________ zone is more aggressive, a ________ zone is less aggressive
long
short
can you tell the difference between neoplasia and osteomyelitis on radiographs?
no, but can make educated guess based on clinical history
what is the most common bone neoplasm in dog?
osteosarcoma
what are the two peak-ages of presentation of osteosarcoma?
<3 years
>8 years
where does osteosarcoma primarily occur?
metaphyses of long bones
associated with orthopedic implants
does osteomyelitis have an age predisposition?
no
