foot osteology

Question 1

why would you take a foot and a toe x ray

Answer 1

toe - crush and stab injuries abd foreign bodies

Foot:
fractured metatarsals
fractured base of 5th matatarsal (jones fracture)

Question 2

what is hallux valgus

Answer 2

this is deformity of the foot due to pressure from footware
there is lateral deviation of the great toe/big toe

Question 3

what is the top and the bottom of the foot reffered to as

Answer 3

top - dorsum/ dorsl aspect
sole - plantar aspect of the foot

Question 4

which projections are normally taken for a foot and toe x ray

Answer 4

DP and DP Oblique

Question 5

describe the positioning , collimation and centring required for a DP foot x ray

Answer 5

patient seated on x ray table with knee and hip flexed with plantar aspect of the foot in contact with the IR

centre at the navicular and collimate to include the distal phalanges, the cacalneus and the lateral and medial soft tissue margins of the foot

Question 6

describe the positioning, collimation and centring for a dp oblique foot xray

Answer 6

patient sat on xray table with hip and knee flexed
plantar aspect of the foot in contact with the IR with foot internally rotated 30 degrees

centering at the navicular region with collimation including the lateral and medial soft margins of the foot, the distal phalanges, and the cacalneus

Question 7

what is the dp foot imaging criteria

Answer 7

phalanges, metatarsals, navicular and cuneiform bones demonstrated

lateral and medial soft tissue margins viewed
overlapping of the tarsal bones

Question 8

hwne would you take a lateral foot x ray

Answer 8

when you want to check the alignment of the tarsal bones

Question 9

describe the positioning collimation and centring for a lateral foot x ray

Answer 9

patient seated at the xray table with plantar spect of the foot in contac t with the imaghe receptor with knee and hip flexed

patients foot is rotated 90 degrees externally

centring at the medial aspect of the foot witrh collimation including the distal phalanges, cacalneus and the lateral and medial soft tissue margins of the foot

Question 10

what is the imaging criteria for a lateral foot

Answer 10

all bones of the foot demonstrated
metatarsal bones overlaping
sharp image demonstrating superimposed phalanges