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Diagnostic Imaging > Lecture 7: Joints and soft tissue > Flashcards

Lecture 7: Joints and soft tissue Flashcards

1
Q

What wrong

A

lytic lesions in carpus

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2
Q

what wrong. Focal of systemic

A
  1. Subluxation of tarsus from metatarsus
  2. Increase distance in calcaneous joint
  3. Soft tissue swelling

Systemic- involving more than one joint

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3
Q

what is a joint

A

site of junction or union of two or more bones in the body

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4
Q

what is osteoarthritis

A

inflammation of joint

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5
Q

what is osteoarthrosis

A

degeneration of joint

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6
Q

what are the two basic principles/what lead to arthritis

A
  1. Abnormal stresses on normal cartilage
  2. Normal stress on abnormal cartilage
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7
Q

what are causes of erosive joints

A

infectious, neoplasia, chronic hemarthrosis

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8
Q

what are some causes of non-erosive joints

A

osteoarthrosis

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9
Q

what is ankylosis

A

fusion of joints- end stage or arthritis

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10
Q

what causes monoarthrosis/itis

A

osteoarthrosis, traumatic infection

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11
Q

what wrong and is this monoarthrosis/itis or poly

A
  1. Soft tissue swelling
  2. Irregular epiphysis
  3. Subluxation

Monoarthrosis/itis

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12
Q

what wrong and is it monoarthrosis/itis or poly

A

Bone proliferation
Monoarthrosis

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13
Q

What causes polyarthrosis/itis

A

immune mediated, hematogenous infection

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14
Q

What is an example of a plane joint

A

articular processes

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15
Q

what are two examples of a hinge joint

A

fetlock, elbow

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16
Q

what are two examples of a pivot joint

A

atlas, axis

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17
Q

what is an example of a condylar joint

A

stifle

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18
Q

what is an example of an ellipsoidal joint

A

carpus

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19
Q

what is an example of a saddle joint

20
Q

what are two examples of a spheroidal joint

A

hip, shoulder

21
Q

how does the articular cartilage get nutrients

A

joint fluid

22
Q

t or f: articular cartilage has blood supply

23
Q

how can you make articular cartilage more visible in rads

A

add contrast

24
Q

injected air to better visualize articular cartilage- identify 1-3

A
  1. OCD
  2. Joint capsule
  3. Articular cartilage
25
what are some signs of erosive arthrosis
1. Subchondral bone lysis 2. Signs of osteoarthrosis 3. Decreased joint space 4. Luxation/subluxation 5. Fragmentation of adjacent bone
26
what are some signs of non-erosive joint
1. Normal 2. Increased synovial mass 3. Altered size of joint space- must be weight bearing 4. Altered subchondral bone opacity 5. New bone formation 6. Calcified bones
27
is this erosive or non-erosive and what is wrong
Erosive- subchondral bone lysis, luxation of coffin joint and navicular bone
28
is this erosive or non-erosive and what is wrong
Non-erosive Hip dysplasia-subluxation But no bone reaction or lysis
29
what is circled/arrows
osteophytes
30
what is an osteophyte
bone proliferation at periphery of bone near joint capsule to stabilize joint
31
what is circled
Enthesiophyte
32
what is an enthesiophyte
bone proliferation not inside joint
33
an osteophyte indicates irreversible damage to __
articular cartilage
34
where is an osteophyte located
periarticualr margin
35
what is purpose of osteophyte
stabilize joint
36
which has better prognosis: osteophyte or enthesiophyte
enthesiophyte
37
where does the enthesiophyte reside
outside the joint capsule
38
where are calcified bodies located
articular, periarticular, and juxta-articular
39
what is circled
Calcified body
40
what are some causes of articular calcified bodies
1. OCD 2. Un-united anconeal process 3. Fragmented medial coronoid process 4. Osteoarthrosis 5. Articular fracture 6. Meniscal calcification 7. Secondary center of ossification 8. Synovial osteochondromatosis (cats)
41
what is circled and what is it an example of
Un-united anconeal process- articular calcified body
42
what are some examples of periarticular calcified bodies
1. Avulsion fracture 2. Normal or pathological sesamoid bone 3. Calcifying tendonopathy
43
what this an example of
periarticular calcified body
44
what are some examples of juxta-articular calcified bodies
1. Clavicle 2. Tumoral calcinosis 3. Myositis ossificans 4. Dystrophic mineralization
45
what is circled and what example of
soft tissue mass that mineralized Juxta-articular calcified body
46
articular or non-articular
Articular
47
articular or non-articular. And what wrong
Both Top circle- osteophyte articular mineralization Bottom circle- aggressive bone lesion

Diagnostic Imaging (27 decks)

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