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SG 3 PATHOLOGY > PATHOLOGY OF BONE AND JOINTS > Flashcards

PATHOLOGY OF BONE AND JOINTS Flashcards

(46 cards)

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1
Q

HIP DYSPLASIA

A

INHERITED IN LARGE BREED DOGS - GERMAN SHEPHERDS
LOCATED AT ACETABULUM
INCREASED JOINT LAXITY, RUPTURE OF LIGAMENT OF THE FEMORAL HEAD, FORMATION OF OSTEOPHYTES
FORM OF OSTEOCHONDROSIS

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2
Q

FLUORIDE TOXICITY

A

PERIOSTEAL HYPEROSTOSIS

DEFECTIVE ENAMEL

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3
Q

OSTEOCHONDRITIS DISSECANS

A 
WHEN JOINT MOUSE BREAKS LOOSE
THEN REPLACED WITH FIBROCARTILAGE 
HORSES- FEMUR, TIBIA, TALUS 
DOGS- HUMERUS (LARGE BREEDS 4-8MOS)
LEADS TO DEGENERATIVE JOINT DISEASE
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4
Q

PANNUS FORMATION

A

SPREADS ACROSS ARTICULAR SURFACE

ANKYLOSIS- FUSION OF BONES, STUFF JOINTS

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5
Q

LEAD TOXICITY

A

INTERFERES WITH OSTEOCLASTS RESORPTION
INCREASES BONE DENSITY
UNIQUE LEAD LINE PRESENT ON RADIOGRAPHS (DO YOU KNOW WHAT THIS PICTURE LOOKS LIKE???)

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6
Q

VERTEBRAL OSTEOMYELITIS

A

HEMATOGENOUS SPREAD
YOUNG FARM ANIMALS
ETIOLOGY- TRUEPERELLA PYOGENES, STAPH AUREUS
LEADS TO VERTEBRAL COLLAPSE—> SPINAL CORD COMPRESSION

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7
Q

WHAT IS CODMANS TRIANGLE?

A

REACTIVE PERIOSTEAL NEW GROWTH ALONG DIAPHYSIS/METAPHYSIS JUNCTION

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8
Q

OSTEOSARCOMA

A

MALIGNANT
COMMON IN LARGE BREED DOGS
DOES NOT CROSS THE JOINT SPACE
AWAY FFROM THE ELBOW CLOSE TO THE KNEE

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9
Q

RICKETS

A

FAILURE TO MINERALIZE CARTILAGE IN YOUNG ANIMALS
IMPACTS THE GROWTH PLATE
RESULTS IN BOWLEGGEDNESS
DEFICIENCY OF P OR VITAMIN D

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10
Q

SUPPURATIVE BACTERIAL ARTHRITIS

A

SEVERE, DESTRUCTIVE
FILLED WITH PUS
ANKYLOSIS- STIFF JOINT, FUSION
ET: TRUEPERELLA PYOGENES, STAPH AUREUS

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11
Q

OSTEOMALACIA

A

ADULTS
NEW OSTEOID NOT OSSIFED
VITAMIN D OR P DEFICIENCY

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12
Q

EBURNATION

A

DENSE
SCERLOTIC/ HARDENED
POLISHED
DUE TO INCREASED STRESS, PRESSURE

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13
Q

OSTEOMA

A

BENIGN
UNCOMMON
USUALLY ON THE HEAD

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14
Q

OSTEOPHYTES

A

OUTGROWTHS OF BONE - LOOK LIKE HOOKS

DEVELOPS DUE TO STRESS ON JOINT CAPSULE

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15
Q

ACHONDROPLASIA

A

ABSENCE OF CARTILAGE GROWTH

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16
Q

LEGG CALVE PERTHEAS DISEASE

A

NECROSIS OF THE FEMORAL HEAD
LAMENESS
YOUNG TERRIERS AND POODLES, MINIS

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17
Q

WHAT IS MODELING?

A

MASS AND SHAPE ARE ALTERED
PHYSIOLOGICAL MECHANISM- GROWTH
DISEASE- RESPONSE TO ABNORMAL USE OR DAMAGE

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18
Q

WHAT IS REMODELING?

A

WEAR AND TEAR
MASS AND SHAPE STAY THE SAME
LINK BETWEEN FORMATION AND RESORPTION

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19
Q

DISC DISEASE

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A

“SLIPPED DISC”
INTERVERTEBRAL DISC DEGENERATION AND MINERALIZATION
MOST COMMON CAUSE OF PARESIS IN DOGS
DASCHUND, BASSET, BULLDOGS, SHI TZU, PEKINGESE, CORGI
FAILURE TO REPAIR DISC MATRIX

20
Q

OSTEOCHONDROSIS

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A

FAILURE OF ENDOCHONDRAL OSSIFICATION
FRAGILE CARTILAGE AT PHYSIS AND EPIPYHSIS
SEEN IN RAPIDLY GROWING MALES
MAY SEE FORMATION OF JOINT MOUSE

21
Q

OSTEOPOROSIS

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A

REDUCTION IN BONE MASS
BONE BEING RESORBED BUT NOT FORMED
CAUSED BY CA DEFICIENCY - STIMULATES PTH TF. RESORPTION
ALSO CAUSED BY HYPERADRENOCORTICISM

22
Q

OSTEOGENESIS IMPERFECTA

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A

EXTREMELY RARE INHERITED DEFECT
TYPE 1 COLLAGEN DEFECTIVE OSTEOID
CAUSES THIN, FRAGILE BONES

23
Q

SEQUESTRUM

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A

OSTEOMYELITIS

NECROTIC BONE SURROUNDED BY EXUDATE

24
Q

HYPERTROPHIC OSTEOPATHY

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A

PROLIFERATION OF NEW PERIOSTEAL BONE ON DIAPHYSIS OF DISTAL LIMBS (CODMANS TRIANGLE**)
ALWAYS CHECK CHEST RADS FOR METASTASIS

25
SPACE OCCUPYING LESIONS OF THE VERTEBRAE
1. NEOPLASIA 2. ABSCESS PRESSURE ON THE SPINAL CORD— LIMB DYSFUNCTION
26
OSTEOPETROSIS
VERY DENSE BONE BUT MORE PRONE TO FX OSTEOCLASTS FAIL TO MODEL METAPHYSEAL BONE FROM GROWTH PLATE BONE IS TRABECULAR ETIOLOGY; BVDV OR INHERITED DEFECT
27
DISRUPTION OF OSSIFICATION CAN LEAD TO ...
GROWTH ARREST LINES ALONG THE METAPHYSIS
28
DEGENERATIVE JOINT DISEASE
AKA DEGENERATIVE ARTHRITIS, OSTEOARTHRITIS, OSTEOARTHROSIS ARTICULAR CARTILAGE AFFECTED DUE TO TRAUMA, DEVELOPMENTAL DEFECTS, ABNORMAL JOINT FUNCTION, METABOLIC DEFECT OF CARTILAGE
29
EROSIVE IMMUNE MEDIATED ARTHRITIS
IMMUNE COMPLEXES IN SYNOVIUM PERSISTENT RXN-PANNUS-EROSION SMALL MIDDLE AGED BREEDS
30
FIBRINOUS BACTERIAL ARTHRITIS
INCREASE IN VOLUME OF SYNOVIAL FLUID PANNUS FORMATION CHRONIC=FIBROSIS ET- ECOLI, MYCOPLASMA, HAEMOPHILUS
31
OSTEOMYELITIS
INFLAMMATION OF THE BONE AND MEDULLARY CAVITY | OFTEN BACTERIAL INF AT METAPHYSIS
32
CRANIOMANDIBULAR OSTEOPATHY
BILATERAL NEW BONE GROWTH—> THICKENING OF LOWER MANDIBLE MASTICATION PAINFUL—> MUSCLE ATROPHY WEST HIGHLAND TERRIERS, SCOTTISH TERRIERS, CAIRN TERRIERS, GREAT DANES, BOXERS
33
FUNCTIONALLY UNSTABLE WOBBLER
COMPRESSION OF SPINAL CORD CHANGES WITH NECK POSITION
34
DISCOSPONDYLITIS
INTERVERTEBRAL DISC INFLAMMATION ET: STAPH AUREUS, STREPTOCOCCI, ASPERGILLUS TRANSMISSION: HEMATONGENOUS OR MIGRATING FOREIGN BODY
35
STATIC STENOSIS IN A WOBBLER
COMPRESSION OF SPINAL CORD REGARDLESS OF HEAD POSIITON
36
CHONDROPLASIA
DYSPLASIA OF CARTILAGE AT GROWTH PLATES GROWTH PLATES CLOSE EARLY LEADS TO DISPROPORTIONATE DWARFISM
37
NAME 4 METABOLIC BONE DISORDERS
1. OSTEOPOROSIS 2. RICKETS 3. OSTEOMALACIA 4. FIBROUS OSTEODYSTROPHY
38
FIBROUS OSTEODYSTROPHY
FIBROUS TISSUE REPLACES BONE AFTER RESORPTION CAUSED BY HYPERPARATHYROIDISM LOW CA HIGH P DIET .. INCREASES PTH... RESORPTION CHRONIC RENAL FAILURE
39
SPONDYLOSIS DEFORMANS
PRIMARY DEGENERATIVE PROCESS OLDER BULLS, DOGS, PIGS OSTEOPHYTES DEVELOP- ANKYLOSIS = FUSION OF THE VERTEBRAE
40
INVOLUCRUM
OSTEOMYELITIS CIRCLE OF REACTIVE BONE SURROUNDING SEQUESTRUM
41
FIBRILTION
FRAYING | VERTICAL FISSURES
42
HYPERTROPHIC OSTEODYSTROPHY/ METAPHYSEAL OSTEOPATHY (SAME NAME)
NEW BONE GROWTH ON THE METAPHYSIS DUE TO INFLAMMATION AND NECROSIS SEEN IN RAPIDLY GROWING LARGE BREED DOGS INCOMPLETE OSSIFICATION- BONE THICKENS AND CAUSES DEFORMITIES
43
NON EROSIVE IMMUNE MEDIATED ARTHRITIS
SOMEONE ELSE IN THE BODY THERE IS PRIMARY IMMUNE DZ CIRCULATING IMMUNE COMPLEXES IN SYNOVIUM INFLAMMATION NOT PERSISTANT NO PANNUS NO EROSION ET: SYSTEMIC LUPIS
44
VITAMIN A TOXICITY IN CATS
FROM EATING COW LIVER CERVICAL SPONDYLOSIS OSTEOPHYTE FORMATION
45
OSTEONECROSIS
NECROSIS OF BONE CAUSED BY ISCHEMIA
46
WOBBLER SYNDROME
CERVICAL VERTEBRAL STENOTIC MYELOPATHY VERTEBRAL MALFORMATIONS CAUSE COMPRESSION OF THE SPINAL CORD CS:PROGRESSIVE ATAXIA, PARESIS, WOBBLING

SG 3 PATHOLOGY (6 decks)

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