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Diagnostic Imaging Tatum > DJD > Flashcards

DJD Flashcards

1
Q

arthritis with greater predisposition for fusion

A

degenerative

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2
Q

arthritis usually in weight bearing joints

A

degenerative

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3
Q

non-inflammatory deterioration of articular surface and marginal bone formation

A

osteoarthritis

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4
Q

uniform loss of joint space

A

inflammatory

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5
Q

nonuniform loss of joint space

A

degenerative

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6
Q

well marginated bone lesions are indicative of which arthritis

A

metabolic

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7
Q

lumpy bumpy arthritis

A

metabolic

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8
Q

ABCD’S of joint disease

A
  • alignment
  • bone
  • cartilage
  • distribution
  • soft tissue
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9
Q

common risk factors for DJD

A
  • age
  • females
  • obesity
  • trauma
  • high impact activity
  • inactivity or excessive activity
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10
Q

caused by abnormal articular forces upon a joint

A

loss of chondroitin sulfate

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11
Q

what does the loss of chondroitin sulfate affect

A

interferes with chondrocyte function

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12
Q

general radiological features of DJD

A
  • asymmetric loss of joint space
  • osteophytes
  • subchondral sclerosis
  • subchondral cysts
  • subluxation
  • intra-articular loose bodies
  • enthesopathy
  • ankylosis
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13
Q

what is the significance of degeneration in joint misalignment

A
  • degeneration leads to joint laxity
  • muscle tension and gravity may cause misalignment
  • redistribution of forces lead to bone deformity
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14
Q

classic radiographical finding is a gullwing appearance in the DIP joints of the hand

A

erosive osteoarthritis

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15
Q

enlarged soft tissue nodes of DIPs

A

heberden’s nodes

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16
Q

enlarged soft tissue nodes of PIPs

A

bouchard’s nodes

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17
Q

enlarged soft tissue nodes of MCPs

A

haygarth’s nodes

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18
Q

target locations for DJD

A
  • DIPs
  • PIPs
  • 1st metacarpal-carpal
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19
Q

if DJD is additive, then RA is

A

erosive

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20
Q

target locations for RA

A

MCP

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21
Q

appears unusually inflammatory, not to be confused with RA. middle aged females. affects DIPs and PIPs

A

erosive osteoarthritis

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22
Q

location of DJD in feet

A

MTP

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23
Q

known as hallux ridigus when present with symptoms of pain and stiffness

A

DJD in feet

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24
Q

metatarsal varus, hallux valgus joint misalignment is common

A

DJD in feet

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25
joint of shoulder complex often involved in DJD
acromioclavicular joint
26
what further complications could AC joint osteophytes cause
they extend inferiorly and may impinge on rotator cuff tendons leading to tendon calcification and superior margination of humerus
27
what could osteophytes and misalignment in the glenohumeral joint indicate
- signigicant previous trauma | - CPPD (calcium pyrophosphate dihydrate disease)
28
CPPD
calcium pyrophosphate dihydrate disease (pseudogout)
29
causes of shoulder impingement syndrome
- elevation of humeral head - degenerative enthesopathic changes of the humeral head - AC osteophytes - supraspinatus degeneration
30
what color is the cortex on an MRI
black
31
what color is the cortex on a CT
white
32
HADD
hydroxyapatite deposition disease
33
most common location for HADD
tendon of supraspinatus
34
deposition of calcium within tendons and bursa
HADD
35
other names for HADD
- calcifying tendinitis and bursitis | - peritendinitis calcarea
36
three compartments of knee that allow for accurate description of the radiograph
- medial tibiofemoral - lateral tibiofemoral - retropatellar
37
genu varus
loss of joint space in the medial compartment of the knee (DJD)
38
findings of DJD in knee
- asymmetrical loss of joint space (ex. genu varus) - subchondral sclerosis - subchondral cysts - articular deformity and irregularity - hypertrophic changes of the intercondylar spines - enthesopathy of the anterior surface of the patella
39
calcification of the medial tibial collateral ligament (MCL)
pelligrini-steida calcification
40
HADD of MCL
pelligrini-steida calcification
41
what causes pelligrini-steida calcification
post-traumatic dystrophic changes
42
multiple intra-articular loos bodies (joint mice) from synovial tissue metaplasia that may ultimately ossify to become bisible radiographically
synovial osteochondrometaplasia
43
refers to fragments of cartilage, meniscus, or synovium within the joint
intra-articular fragments (joint mice)
44
joint mice can sometimes be confuse with what other disorder
HADD. but HADD is a uniform, homogenously dense finding
45
where is the groove for the popliteal tendon
lateral epicondyle of femur
46
PVNS
pigmented villonodular synovitis
47
slow growing, benign, and locally invasive tumor of the synovium most commonly found in the knee
PVNS
48
what pathology should be considered in younger patients with unexplained hip pain
PVNS
49
apple core deformity is a sign of
PVNS
50
radiographic findings of OA in the hip
- loss of joint space (MC in the superior compartment) - osteophyte formation - subchondral cysts (eggar's cysts) - sclerosis - buttressing - joint deformity
51
thickened cortex at the medial femoral neck as the result of biomechanical changes across the joint
buttressing
52
large cysts
geodes
53
list these three cysts from most benign to most malignant: - moth eaten - geographic - permeative
- geographic (most benign) - moth eaten - permeative (most malignant)
54
if a cyst has a long transition zone it is most likely
malignant
55
if a cyst has a short transition zone it is most likely
benign
56
severe medial hip migration with remodeled acetabulum is known as
acetabular protrusion
57
acetabular protrusion is evaluated by who's line
kohler's line
58
eponym for acetabular protrusion
eponym is otto's pelvis
59
joint abnormalities secondary to impaired pain perception or proprioception
neuropathic arthropathy (charcot's joint)
60
neurotrophic changes to nonweightbearing joints
hypertrophy
61
neurotrophic changes to weightbearing joints
atrophy
62
most common etiology for neurotrophic arthropathy
diabetes (also syphilis and spinal cord trauma)
63
the six D's associated with hypertrophic neurotrophic joints
- distended joints - density increases - debris - dislocation - disorganization - destruction
64
knee and lumbar spine involvement of neurotrophic arthropathy is usually due to
tabes dorsalis
65
a complication of untreated syphilis that involves muscle weakness and abnormal sensations due to demyelingation of sensory nerves
tabes dorsalis
66
lisfranc joint
tarsometatarsal articulation
67
cutoff sign
atrophic neurotrophic arthritis leads to this degeneration of the humeral head
68
if someone has DISH what should they be screened for
diabetes and OPLL
69
OPLL
ossification of posterior longitudinal ligament
70
may want to refer back to the diagram written on page 132
...

Diagnostic Imaging Tatum (4 decks)

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