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DU PA X-ray & Arth

Duke PA Radiology of Arthritis

joint space narrowing, sclerosis, osteophytosis three hallmarks of OA
OA in the hands has a __ predominance distal
OA results from trauma
OA is __ non-inflammatory
AC, TMJ, SI, Symphisis pubis joints where you will see erosions with OA
You normally don't see __ in OA, except in 4 specific joints erosions
geode subchondral cyst
normal finding in OA geode/subchondral cyst
OA without joint space narrowing, and sclerosis, but only osteophytes DISH
Diffuse Idiopathic Skeletal Hyperostosis DISH
RA is a __ disease systemic inflammatory
RA is a disease of erosions
distribution of RA is proximal and symmetric
soft tissue swelling, osteoporosis, joint space narrowing, marginal erosions hallmarks of RA
in extension and flexion veiws of the C spine if you see increased distance between the dens and the anterior arch of C1 you have Atlantoaxial Instability with RA
Can cause compression of the C spine Atlantoaxial Instability with RA
Ankylosing Spondylitis behaves like Inflammatory Bowel Disease
Psoriatic Arthritis behaves like Reiter Syndrome (reactive srthritis)
Ankylosing Spondylitis, inflammatory bowel disease, psoriatic arthritis, reiter syndrome Seronegative spondyloarthropathies
in patients with spinal ankylosis even a minor trauma can be a huge disaster
bony ankylosis, new bone formation, axial spine involvement hallmarks of seronegative spondyloarthropathies
syndesmophytes and ankylosis bamboo spine
if you have asymmetric arthritis involvement of the SI joints it is not ankylosing spondylitis, or IBD
can't see, can't pee, can't climb a tree Reiter Syndrome
arthritis, nongonococcal urethritis, conjunctivitis Reiter Syndrome
often follows a GU or GI infection Reiter Syndrome
Ankylosing spondylitis must be symmetric
distal predominance, soft tissue swelling, periostitis, proliferative erosions with fuzzy margins Hallmarks of Reiter syndrome and Psoriatic Arthritis
deposits of monosodium urate crystals in a joint gout
it takes 4-6 years for radiographic evidence to occur with __ gout
gout of the great toe podagra
well defined sclerotic erosions, soft tissue nodules, random distribution gout
has the same clinical manifestations as gout but is caused by calcium pryrophosphate dihydrate deposition pseudogout
has weird DJD locations (shoulder, elbow, radiocarpals, MCP pseudogout
__ is associated with primary hyperparathyroidism, gout, hemochromatosis pseudogout
pain, cartilage calcification (chondrocalcinosis), joint destruction pseudogout
knee, triangular figrocartilage of wrist, pubic symphysis common CPPD chondrocalcinosis sites
the worst joint you will ever see neuropathic (Charcot) joints
inaccurate muscle action and loss of reflexes neuropathic (Charcot) joints
seen in diabetes, paralysis with continued limb use, tabes dorsalis of syphilis neuropathic (Charcot) joints
destruction, dislocation, heterotopic new bone-debris or detritus neuropathic (Charcot) joints
most common neuropathic joint Lisfranc Charcot Joint
Inflammation of synovial membrane with purulent effusion septic arthritis
treat __ urgently septic arthritis
Fever and hot, red, painful, distended joint with decreased range of motion Rapid Complications--Joint destruction, Osteomyelitis, Sepsis, and even Death septic arthritis
most common site for septic arthritis in adults knee
most common site for septic arthritis in children hip
x-ray of joint with septic arthritis often normal
elbow effusion + trauma = __ fracture
joint pain + effusion = __ septic arthritis
if you see a posterior fat lucency on the elbow it is an effusion
the anterior fat pad in the elbow should hug the bone
if the elbows anterior fat pad is not hugging the bone but is giving the sail sign it is __ an effusion
Osteonecrosis from Steroids, Trauma, Sickle Cell Disease, Idiopathic avascular necrosis
effusion, patchy sclerosis in otherwise normal joint, subchondral lucency, collapse of articular surface and fragmentation avascular necrosis
Inflammatory Granulomatous Disease,Bone Manifestations:Destructive lytic lesions, lace-like appearance sarcoid
osteoporosis, soft tissue wasting collagen-vascular disease
best imaging modality for arthritis plain films
Created by: bwyche