Term
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Definition
Peripheral Neuropathy
subchondral bone intact
obliteration of facial planes
multiplicity of sites |
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Term
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Definition
| Most common joint for charcot of syphilis |
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Term
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Definition
| Most common joint for charcot of diabetes |
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Term
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Definition
| Red, swollen toe w/ no pain. Patient denies trauma. Chronic ulcer. Fracture on x-ray. |
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Term
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Definition
| 2nd met head degeneration. Multiplicity of sites. Fusion of joint. |
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Term
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Definition
| Hypertrophic uniform narrowing of 1st MPJ. Fusion of PIPJ of hallux. Lytic destruction of 5th met head. |
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Term
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Definition
| when an amputation is done straight across and biomechanical forces erode the sides of the bone causing a point in the center of the bone. |
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Term
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Definition
| When an amputation is done obliquely and an eccentric stump develops over time on one side of the bone. |
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Term
| Diabetic Neurotrophic Gangrene |
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Definition
Type of gangrene that has:
osteopathy
variable sensory neuropathy
good pulses
no intermittent claudication
warm skin
little pain |
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Term
| Atherosclerotic Ischemic Gangrene |
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Definition
Type of gangrene that has:
no bone disease
diminished/non palpable pulses
presence of intermittent claudication
cool skin
moderate to severe pain |
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Term
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Definition
| 52 yo male w/ significant swelling around 1st MPJ. Erosions around 1st met head. No ulcer. No peripheral neuropathy. |
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Term
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Definition
| Gas forming infection that appears streaky and deep on x-ray |
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Term
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Definition
| Gas forming infection that is superficial and usually seen in LE of diabetics. |
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Term
|
Definition
Mostly occurs in children under 10.
Most often in femur, humerus, and tibia
Asymptomatic
Occurs in Metaphysis and diaphysis
Cyst filled w/ sanguinous fluid
Mildly expansile
Fallen fragment sign
Treatment is intralesional steriod IM |
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Term
|
Definition
Occurs below age 20
Painful
Metaphysis and diaphysis
Benign
Finger in Ballon Sign
Cyst filled w/ Blood
Very Expansile |
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Term
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Definition
| Bone tumor that has pain worse at night and relieved by salicylates |
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Term
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Definition
| A sclerotic rim around a bone tumor indicates what? |
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Term
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Definition
| A lytic bone tumor will show up how on x-ray? |
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Term
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Definition
| How big must a tumor be to show up on x-ray? |
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Term
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Definition
MC osseous tumor of the phalanges
painful
expansile
cyst filled w/ cartilage
bilateral serpentine densities |
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Term
|
Definition
Benign
has nidus of 2cm or less
seen in children and young adults |
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Term
|
Definition
Well demarcated, radiodense lesion
less than 1 cm
asymptomatic
hot on bone scan |
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Term
|
Definition
anatomical variant
seen in 1st decade of life
well demarcated, radiolucent
occurs in metaphysis and diaphysis
ground glass or sandy appreance |
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Term
|
Definition
Ossification of soft tissue due to excessive inflammatory rxn brought about by unrelenting trauma.
Starts peripherally and gets smaller as it moves centrally. |
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Term
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Definition
Blastic
has focal hot spots that join together |
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Term
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Definition
MC benign osseous tumor
Only grow while closest epiphyseal plate is open.
Dx in 2nd and 3rd decades of life
juxta-cortical
cartilagenous cap |
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Term
| Ollier's Disease/Systemic Enchondromatosis |
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Definition
Large bubbly-collar marked radiolucencies
high malignant transformation rate
bilateral, but asymmetrical |
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Term
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Definition
| a systemic enchondromatosis with calcified hemangiomas that look like pebble shaped densities |
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Term
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Definition
| Elliptical erosions that looks like a Martel's sing with a overhanging cartilagenous margin |
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Term
|
Definition
anatomical variant
less than 2 cm
elliptical radiolucency
seen in metaphysis of children
asymptomatic
usually self limiting |
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Term
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Definition
Anatomical variant
multi-locular
well demarcated
longer than it is wide
goes within 2cm of epiphyseal plate but doesn't cross it |
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Term
|
Definition
Tumor of children and young adults
benign
Calcified cartilage
Scalloped appearance |
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Term
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Definition
can be malignant
seen in adults, rare b4 age 15
generally no calcifications
no periosteal reaction
seen in metaphysis
multilocular
soap bubbly appearance |
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Term
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Definition
Epiphyseal tumor!
calcified cartilage
seen in young adults and even young kids |
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Term
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Definition
| MC primary malignant bone tumor in children and young adults |
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Term
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Definition
| MC primary malignant bone tumor in the foot |
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Term
|
Definition
seen in children and youn adults
cumulus cloud appearance
sunburst effect
codman's triangle
poorly demarcated |
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Term
|
Definition
MC primary malignant bone tumor in 50, 60, 70 yo
seen in pelvis, ribs, and femur
chondrocalcification
involves soft tissue |
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Term
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Definition
| MC primary malignant bone tumor in the whole body |
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Term
|
Definition
Doesn't ossify or calcify
no hot spots on bone scan
erosive, lytic, destructive
white on T1 and T2 |
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Term
Osteoporosis
Osteomalacia
Osteitis fibrosa cystica |
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Definition
| Metabolic disorders that cause a decrease in bone density. |
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Term
Osteopetrosis
Hyperthyroidism
Heavy Metal poisoning
Osteopoikosis |
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Definition
| Metabolic disorders that cause a increase in bone density. |
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Term
Osteitis deformans
Osteogenesis imperfecta |
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Definition
| Metabolic disorders that cause a decrease and increase in bone density. |
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Term
High Kv
High ma
close distance |
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Definition
| Causes of poor x'ray technique |
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Term
Senile
Scurvy
Ovarian agenesis
Disuse
Space Travel
Sudeck's Atrophy |
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Definition
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Term
|
Definition
99% calcified cortex( disease of bone qantity)
effects females more
can be age related
can be diet related
can be hormonal
normal alk.phos, serum phos, and serum calcium |
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Term
|
Definition
has wide border of uncalcified bone
high levels of alk.phos.
low levels of serum phos
normal levels of calcium
disease of bone quality |
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Term
|
Definition
disease of hyperparathyroidism
disease of quality and quantity
serum calcium is high
alk. phos is high
serum phos is low |
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Term
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Definition
| produces radiodense ring just proximal to growth plate |
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Term
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Definition
see little ossicles within the bone
usually long bone |
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Term
Paget's disease of the bone
Osteititis Defermans |
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Definition
very high level alk phosph.
layering effect to periosteum
tri phasic bone scan lights up ALOT
whole bones are invloved |
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Term
|
Definition
fusions
arthritis mutilans
pseudocysts
fusiform swelling
fibular deviation |
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Term
|
Definition
periarticular osteoporosis
balanitis circinata
heel pathology
Auspitz sign |
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Term
|
Definition
non uniform joint space narrowing
subchondral sclerosis
osteophytes
pseudocysts |
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Term
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Definition
| Osteochondritis dissicans occus most commonly in which joint. |
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Term
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Definition
| The most radiosensitive tissue |
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Term
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Definition
| variation in the intensity of the beam |
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Term
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Definition
sausage type swelling
erosions within 1st IPJ |
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Term
|
Definition
pauciarticular erosions
periarticular osteoporosis |
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Term
|
Definition
| least radiosensitive tissue |
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Term
Infarct
Resorption
Revascularization
Remodeling |
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Definition
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