Foot Ankle Pathology Flashcards
What are the 5 types of fractures? How are they typically treated?
Isolated lateral malleolus: WBAT, immobilized for 6 weeks
Bimalleolar Ankle: ORIF
Trimalleolar Ankle: ORIF
Bimalleolar equivalent fracture
Pilon Fracture
What is a bimalleolar equivalent ankle fracture? How is this treated?
Ruptured deltoid ligament + isolated lateral malleolus fracture
ORIF + syndesmotic screw (accounts for rupture)
What is a pilon (distal tibia) fracture?
Tibial plafond shatters into multiple pieces
ORIF required
What is an osteochondral defect (OCD)? How is it treated?
Subchondral bone and articular cartilage damage
Arthroscopy: Culture periosteum from NWB bone and inject cells into defect
Hyaline cartilage WILL NOT grow in defect, fibrocartilage will
What is the difference between seronegative and septic arthritis?
Seronegative: arthritic antibodies are present in blood (RA, lupus etc.)
Septic: bacteria within joint
What is hallux rigidus? What can develop as a result of this?
Arthritis of the 1st MTP joint
Bone spur develops on big toe (removed via cheilectomy)
Is a total Ankle arthroplasty effective?
TOTAL FAILURE IN PAST
Now, successfully treats pain, but wears out quickly
What is hallux valgus?
BUNION: abnormal prominence at 1st MTP
Abnormal angulation of 1st toe
What is the incidence of hallux valgus? What is the MOI?
Incidence: 10:1 Female to Male ratio
MOI: Familial tendency; direct result of poorly fitting shoes
What is the consensus on surgical treatment for hallux valgus?
Bunions are not painful and DO NOT NEED SURGICAL TREATMENT
What is a interdigital neuroma?
Expansion of the plantar digital nerves
What is tarsal tunnel syndrome?
Compression of the tibial nerve under laciniate ligament that leads to ankle pain
What does peroneal nerve palsy lead to?
Foot drop
What is reflex sympathetic dystrophy? CRPS
Chronic arm or leg pain resulting from poor sympathetic regulation
What is the most common foot and ankle problem?
Plantar fasciitis
What is plantar fasciitis? Who does it typically affect?
Inflammation and microtears in the plantar fascia
Affects middle aged adults (unilateral presentation)
Female=Male
Right=Left
What may cause plantar fasciitis? What exacerbates the symptoms?
Obesity, prolonged standing, long distance running (cavus feet), systemic disease
Exacerbation via: toe dorsiflexion and tight Achilles’ tendon
What are the typical symptoms associated with plantar fasciitis?
Pain with first few steps that subsides during day
Pain at end of day
Tenderness over fascia (+ calcaneal squeeze test)
50% of patients with plantar fasciitis will also present with what?
Heel spur
What is the optimal treatment for plantar fasciitis?
STRETCHING, STRETCHING, STRETCHING!!!
NSAIDs, comfortable shoe wear, night splints
What treatment is NOT recommended for plantar fasciitis? Why?
Cortisone injections
Result in fat pad atrophy and 10% of plantar fascia ruptures
What are the 4 complications of endoscopic release for PF?
- Loss of arch
- Nerve Injury
- Lateral foot pain
- Reoccurrence of heel pain