SANDERS FRYKBERG CLASSIFICATION

Question 1

what are the pedal target sites of Charcot foot sites?

Answer 1

lisfrancs joint
midtarsal
MPJs and IPJs
ankle joint/rearfoot

Question 2

most common pedal target site?

Answer 2

lisfrancs joint

Question 3

pedal target site that is largely atrophic?

Answer 3

MPJs and IPJs

Question 4

IPJs, phalanges, MPJs, distal metatarsals

Answer 4

type I

Question 5

Lisfrancs (tarsometatarsal)

Answer 5

type II

Question 6

N-C, choparts (T-N, C-C), not STJ

Answer 6

type III

Question 7

Ankle joint

Answer 7

type IV

Question 8

posterior pilar

Answer 8

type V

Question 9

largely atrophic (loss of bone) changes

plantar ulceration not uncommon

Answer 9

type I

Question 10

most common of this classification 43-45%

lisfrancs subluxation

ulcerations show if prominent bony bases

prognosis based of lisfrancs

leads to cube foot

Answer 10

type II

Question 11

dislocation of the navicular common?

Answer 11

type III

Question 12

severe destruction and instability

tibia may grind thru os clacis to ground

Answer 12

type IV

Question 13

involves the calcaneus, posterior tubercle avulsion

least frequent of the types

Answer 13

type V