Ankle: Joint Pathology 2 Flashcards
Lisfranc injury: fx and dislocation of Lisfranc’s joint…
3 cuneiforms and metatarsals 1-5
Lisfranc injury: Lisfranc ligament on (dorsal/plantar) aspect
Plantar
Lisfranc injury: Treatment for pts without instability
- casting
- immobilization
Lisfranc injury: Treatment for pts with instability
Internal fixation
Sesamoiditis: involving 2 small bones embedded where?
In the FHB tendon
Sesamoiditis:
What types of conditions typical?
- avascular changes
- inflammation without fracture
Function of sesamoids
- absorb weight bearing forces
- decrease friction
- increase moment arm for FHB to PF the toe
Sesamoiditis:
Contributing factors
- pes cavus
- plantarflexed 1st ray
- ankle equinus (plantarflexed)
Morton’s neuroma: occurs mostly in men or women?
Women
Morton’s neuroma: Causes
Prolonged dorsiflexion (i.e. dance, squatting, running, etc)
Morton’s neuroma: What is it?
Fibrosis and nerve degeneration of the common digital nerve
Morton’s neuroma: Often occurs between which toes?
Web space between 3rd and 4th toes
Morton’s neuroma: Treatment
- unload the area
- correct biomechanical faults
- surgical excision if necessary
Morton’s neuroma: Success with surgery (%)
80-96% improvement with removal
Kohler disease: what is it?
Osteochondrosis of the navicular