foot and ankle rmsk

Question 1

Blood vessel landmark for deep peroneal nerve

Answer 1

anterior tibial artery

Question 2

what is relationship of sustentaculum tali to medial tendons

Answer 2

TP- Dorsal and superficial FDL- Immediately superficial FHL- plantar to ST in a bony groove of calcaneus

Question 3

Tibial nerve is inbetween which tendons supramalleolar

Answer 3

FDL and FHL

Question 4

Origin of common plantar digital nerves

Answer 4

medial and lateral plantar branch of tibial nerve

Question 5

What is the significance of some fluid within the sheath of the TP tendon beyond the medial mallelus

Answer 5

usually normal

at navicular no fluid

Question 6

TP fluid at the navicular

Answer 6

should not be present since tendon sheath is absent

Question 7

what comprises knot of henry

Answer 7

FDL and FHL ad midfoot

Question 8

Insertion of Peroneous longus

Answer 8

median cuneiform and first metatarsal base

Question 9

Insertion of peroneous brevis

Answer 9

5th metatarsal base

Question 10

AITFL tear what other structure should be evaluated

Answer 10

Interosseou membrane… normally a thin and hyperechoic and bilaminarstructure

Question 11

Muscles under the achilles tendon?

Answer 11

soleus, Kager fat pad, then FHL prxomally.. distally only kager fat pad and plantaris tendon

Question 12

Retrocalcaneal bursa normal distention

Answer 12

2.5mm AP

Question 13

Vascular land mark of sural nerve

Answer 13

lesser saphenous nerve.

Question 14

Examples of commplex fluid

Answer 14

infection, hemorrhage, gout

Question 15

lack of flow on doppler, compressibility, internal echo movement on pressure

Answer 15

complex fluid

Question 16

COmmon area for RA sa foot?

Answer 16

Distal 5th

Question 17

COmmon area for gout sa foot?

Answer 17

first metatarsal head

Question 18

Double contour sign and serum urate levels?

Answer 18

ddisappear if less than 6mg/dL

Question 19

Posterior tibialis tendon fluid

Answer 19

normal up to 4mm.. but >5.8 means dysfunction and eval spring ligament also

NO FLUID at NAVICULAR

Question 20

Hyperemia on doppler for complex fluid

Answer 20

synovial hypertrophy

Question 21

Insertion of Tibialis anterior

Answer 21

medial cuniform and base of 1st MT

Question 22

Site of tibialis anterior tendon tear

Answer 22

3cm of its insertion.

Question 23

Achilles tendon has no tendon sheath instead it has a

Answer 23

paratenon

Question 24

Tendinosis can be focal or

Answer 24

diffusely involving the tendon with fusiform enlargement

Question 25

Increased blood flow in achilles tendon represents

Answer 25

neovascularity not inflammation

Question 26

technique when evaluating achilles tendon flow

Answer 26

floating with thick gel , do not dorsiflex 

Question 27

DIfferentiate achilles tendon enthesophytes from degenerative and inflammatory

Answer 27

inflammatory will have hyperemia, 

Question 28

Haglund syndrome

Answer 28

distal achilles tendon abnormality, retrocalcaneal and retro-achilles bursal distention, prominent posterosuperior calcaneus

Question 29

Common site of achilles tear

Answer 29

2-6cm proximal to calcaneal attachment 

Question 30

Artifact from tendon stump

Answer 30

posterior accoustic shadowing (indirect sign)

Question 31

accessory soleous muscle location

Answer 31

above kager fat pad and inserts to calcaneus

Question 32

Maisonneuve fracture

Answer 32

from high fibular fracture after interosseus ligament injury

Question 33

Stress fracture early finding

Answer 33

foacl hypoechogenicity along cortex from hematoma or periostitis, tep off deformity o fracture line 

Question 34

Location of peroneus tertius

Answer 34

lateral to extensor digitorum longus and extends to base of 5th metatarsal