Ankle & Foot Flashcards
What condition is likely the cause of these findings?
- Non-uniform loss of joint space at first metatarsal-phalangeal joint
- Subchondral sclerosis
- Osteophytes at base of phalange
→ DJD → OA of that joint
Referred to as Hallux Rigidus
What condition is likely the cause of these findings?
DX: RA
Periarticular osteopenia at 2nd-5th metatarsal-phalangeal joints & proximal interphalangeal joints
___ likes to affect the metatarsal phalgeal joints
RA
Fibular deviation at metatarsal-phalangeal joints is called ____ & associated with ____
Lanois Deformity
RA
What condition is likely the cause of these findings?
- Severe decreased bone density
- Pencil thin cortices
- Complete loss of joint space with extensive subchondral destruction at metatarsal phalangeal joints
- “Pencil in cup” appearence seen at 5th metatarsal phalangeal joint
- Osseous ankylosis of PIPS & DIPS
DX: Inflammatory Arthritis → Psoriatic Arthritis or Reactive Arthritis
Involvement of DIPS of feet/hand has what 4 DDX
Psoriatic
Reactive
OA
Gout
What condition is likely the cause of these findings?
What condition is likely the cause of these findings?
- Large soft tissue mass with calcifications at 1st metatarsal
- Overhanging margin sign at 5th metatarsal
DX: Gout
What is the name of the joint affected here?
Choparts Joint
What condition is likely the cause of these findings?
Gout w/ overhanding margin
What condition is likely the cause of these findings?
- Complete loss of joint space
- Increased density at Choparts joint
- Aggressive Destructive arthritis →
DDX: Neuropathic arthopathy or Septic Arthritis
What are the bone destruction patterns associated with Neuropathic Arthropathy
Hypertrophic
Atrophic
Mixed
The 6 D’s of hypertrophic pattern associated with Neuropathic Arthropathy =
Dense bone (sclerosis)
Debris or loose bodies
Destruction
Disorganization of joint
Dislocation
Distension of joint
What condition is likely the cause of these findings?
- Rupture of AITFL (Ant. Inf. Tibiofibular Lig)
- Causes widening of tibiofibular space
= Stage ____ SER injury
1
Spiral fracture of fibular malleolus = Stage ____ of SER injury
2
Rupture of PITFL or fracture of posterior malleolus of tibia in addition to AITFL rupture & fibular spiral fracture = Stage ____ of SER injury
3
Fracture through the medial mlleolus or disruption of deltoid ligament in addition to rupture of AITFL & PITFL rupture = Stage ____ of SER injury
4
Adduction of the talus compresses the medial malleolus and stretches the lateral ankle structures →
Transverse fracture of the lateral malleolus at or below the level of the plafond, with rupture of the ATFL or tearing of the calcaneofibular ligament
= SAD Stage ____
1
Vertical oriented fracture at medial malleolus =
SAD Stage 2
