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Exam 1
Joint Diseases
20
Veterinary Medicine
Professional
02/09/2016

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Cards

Term
Describe primary osteoarthritis.
Definition
-idiopathic joint degeneration of "older" animals or more active animals
Term
Describe secondary osteoarthritis.
Definition
-instability, trauma, infection, OC/OCD
Term
What are the radiographic finding common with osteoarthritis?
Definition
-osteophyte production
-enthesophhyte production
-joint space narrowing
-subchondral bone sclerosis/erosion
-joing effusion
-subchondral bone-cyst-like lesion formaiton
Term
Definition: Osteophyte
Definition
-new bone formed at margins of joint surfaces
Term
Definition: Enthesophyte
Definition
-new bone formed at attachment sites of tendons, ligaments, and joint capsule
Term
Which breeds of dogs are pridisposed to hip dysplasia?
Definition
-large breed, fast growing dogs
-sometimes in small dogs and cats
Term
Is there a genetic component to hip dysplasia?
Definition
-yes, an inherited developmental disorder
Term
What other joint disease does hip dysplasia cause?
Definition
-osteoarthritis
Term
What are the common radiographic signs of hip dysplasia?
Definition
-poor acetabular coverage of femoral head
-joint incongruity, subluxation
-shallow acetabulum
-misshapen femoral head and acetabulum
-thickened femoral neck
-progressive osteoarthritis
Term
In which type of dogs is cranial cruciate ligament injury common?
Definition
-large dogs
Term
What physiologic effects does cranial cruciate ligament injury cause?
Definition
-partial or complete rupture destabilizes stifle joint
-cranial subluxation occurs during weight-bearing
Term
What are the radiographici signs of earl CCL?
Definition
-joint effusion (may be only sign)
-possible avulsion fragment from insertion site on tibial plateau
Term
What are the radiographic signs of chronic CCL?
Definition
-osteoarthritis after about 4w
Term
Which breeds of dogs are predisposed to patella luxation?
Definition
-toy and small breeds
Term
Patella luxation often occurs with what other issues? What does it predispose the animal to?
Definition
-angular limb deformity
-predisposes to OA/DJD development
Term
What are a couple polyarthropathies?
Definition
-rheumatoid arthritis
-feline noninfecitous polyarthritis
Term
What are a couple non-erosive polyarhtropathies?
Definition
-canine immune mediated polyarthritis
-systemic lupus erythematosus
-feline idiopathic polyarthritis
-various infectious agents
Term
What does erozive polyarthritis look like radiographically?
Definition
-joint effusion: fluid and soft tissue
-multifocal lysis
Term
What is the most common form of joint neoplasia? Common sites?
Definition
-synovial sarcoma
-stifle and elbow
Term
What is required for diagnosis of joint neoplasia?
Definition
-bipsy
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