Foot and ankle Flashcards
What are the two options for ankle OA?
Arthrodesis
Ankle replacement
What is the issue with ankle replacements?
Because the bones of the foot are small, it seems to loosen quite quickly and fails
What is hallux vagus?
Deformity of the big toe due to medial deviation of the 1st metatarsal
When is hallux valgus more common?
Women
RA
MS
Hallux valgus is not painful but when can it become painful?
If a bunion develops from where it rubs on shoes
What is the treatment for hallux valgus?
Conservative tx.
Wearing different shoes and using a spacer.
What is the caution with surgery for hallux valgus?
Pts seem dissatisfied and can shift pain
What is hallux rigidis?
OA of the 1st MTJ
What is the ideal treatment for hallux rigidis?
Arthrodesis
What must female patients be told about arthrodesis for hallux rigidis?
No more high heeled shoes!
What is a neuroma?
When nerves are irritated by ligaments and become inflamed and swollen
What is Morton’s neuroma?
Neuroma between 3rd/4th metatarsal
What may be seen on examination of a Morton’s neuroma?
Loss of sensation in the web space.
Medio-lateral compression of the metatarsal heads which produce a click which squeezed
What imaging can be used to diagnose a Morton’s neuroma?
USS
What is the treatment for a Morton’s neuroma?
Insole
Steroid injections
Excision
Where do metatarsal stress fractures occur?
2nd and 3rd metatarsals
Why is x-ray not a reliable way of diagnosing a metatarsal stress fracture?
May not show until a callus appears
What kind of antibiotics can predispose to tendonitis?
Quinolones e.g. ciprofloxacin
Steroids can be used to treat tendonitis. Why are they not used to treat Achilles tendonitis?
Achilles is known to rupture if it has tendonitis and injection may precipitate this.
What is plantar fascitiis?
Pain on the instep when walking with localised tenderness on palpation
What are flat feet also called?
Pes planus
True or False
Pes planus is always pathological in infants
False.
All infants have flat feet
What does the tibialis posterior tendon do?
Supports the medial arch of the foot
How is tibilalis posterior tendonitis treated?
Splint with medial arch
Surgical decompression
What is pes cavus?
Abnormally high arch