INTRO TO FOOT & ANKLE RADIOLOGY TERMS Flashcards
the degree of density difference between two areas
radiographic contrast
low KV means?
more contrast
high KV means?
less contrast
the abruptness of change from one area of a certain radiographic density to another
radiographic
name this radiographic density?
subcutaneous emphysema (gas gangrene, myonecrosis, compartment syndrome)
air
name this radiographic density?
fluid accumulation (cyst, effusion) or high vascularized tissue like muscle and cartilage
water
name this radiographic density?
calcium
bone
name this foot view
forefoot and mid foot structures clearer than rearfoot
metatarsal declination angle
anterior posterior (AP)
name this foot view
visualizes medial column
- calcaneus
- cuboid
- navicular
- 1st cuneiform
- talus
- 5th metatarsal base
lateral (Lat)
name this foot view
foot everted for visualizing the dorsal lateral aspect
medial oblique (MO)
name this foot view
foot inverted 45 degrees, visualizes medial plantar aspect
lateral oblique (LO)
name this foot view
cross section through the MPJs
x-ray beam hits plantar aspect of sesamoid apparatus
forefoot axial (FFAX)
name this foot view
view of calcaneus from behind
visualizes the STJ, middle and posterior facets shows up as linear joint spaces
calcaneal axial (CA)
name this ankle view
visualizes the medial ankle so that the focal beam comes in through medial malleolus
kager’s triangle
lateral (Lat)
name this ankle view
visualizes dorsal lateral aspect of ankle
medial oblique (MO)
