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Jahss 1st MPJ Dislocation/Hyperextension
- I doral dislocation w/ ISL intact (rigid)
- II A dorsal dislocation w/ ISL ruptured (easy to reduce)
- II B dorsal dislocation w/ ISL intact & sesamoid Fx (rigid)
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Quenu & Kuss Tarsometatarsal Fx/dislocation (Lis Franc's)
- A = Homolateral total icongruity (all mets dislocate lateral or dorsoplantar)
- B = Isolateral partial incongruity: B1 = Medial; B2= Lateral dislocation
- C = Divergent; C1= partial displcmnt (1st met & not all toes) ; C2= Total displcmnt (1st & all toes)
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Watson-Jones Navicular Fx
- Type I = Medial Tuberosity
- Type II = Dorsal Lip (Fx of the avulsion type)
- Type III = Transverse Body (Fx through body)
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Rowe Calcaneal Fx Classification 6 Extra Articular Fx's
- IA Tuberosity
- IB Sustentaculum Tali
- IC Anterior Process
- IIA Beak of Post Calc (no achilles involvement)
- IIB Achilles Avulsion Fx of the Post Calc
- III Extra Articular body only
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Rowe Calcaneal Fx Classification 3 Intra Articular
- IV Body articular w/ no depression
- VA Body articular w/ comminuted depression
- VB Body articular w/ comminuted and severe depression
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Sander's Calcaneous CT Classification
- Type I = Any non-displaced intra-articular Fx
- Type II = 1 Fx through post facet (creating 2 frags, A-B-C)
- Type III = 2 Fx through post facet (3 frags)
- Type IV = > or = 3 Fx's
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Esses-Lopresti Calcaneus
- A - Tongue type, talus driven down primary Fx at Gissanes critical angle, possible Fx out post calc
- B - Joint Depression type posterior force, worse prognosis, primary Fx same as A, possible secondary around post facet
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Hawkin's Talar Neck Groups (NSAT)
- I Neck Fx, no STJ dis, AJ dis or TN dis
- II Neck Fx, STJ dis, NO AJ dis or TN dis
- III Neck Fx, STJ dis, AJ dis, NO TN dis
- IIII Neck Fx, STJ dis, AJ dis, TN dis
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Two main blood supplies to the Talar Body
Deltoid Branch & Artery of Tasal Tunnel off the Post Tib artery
Artery of the Tarsal Sinus off the Perforating Peroneal Artery
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Berndt-Hardy Talar Dome
I - compression (cartilage is intact)
II - Partially non-detached
III - Complete non-detached
IV - Complete w/ displaced (migrates)
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Gustilo & Anderson Open Fx
- I - Less than 1 cm / clean
- II - More than 1cm / clean
- III - Extensive (contaminated)
- A - Adequate soft tissue to cover bone
- B - Soft tissue loss, w/ bone exposed
- C - Injury needing microvascular repair
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Salter-Harris = physeal Fx
- Type 1 - Transverse shift (Same)
- Type 2 - + metaphyseal (Above)
- Type 3 - + epiphyseal (Lower)
- Type 4 - Meta & Physeal (Through)
- Type 5 - Compression (Really Bad!)
- Type 6 - Edge
- Type 7 - Intrarticular chip
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Lauge-Hansen Ankle Fx (%)
SADD = 20%
PABD = 5%
SER = 70%
PER = 5%
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Lauge-Hansen Ankle Fx SADD
I - Lat Lig or Trans Fib
II - Vert Tib
III - N/A
IV - N/A
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Lauge-Hansen Ankle Fx PABD
I - Delt or Trans Tib
II - Ant Lig or Post Lig
III - Butterfly Fib
IV - N/A
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Lauge-Hansen Ankle Fx SER
I - Ant Lig
II - Spiral Fib Fx
III - Post Lig, Volk
IV - Delt or Trans Tib
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Lauge-Hansen Ankle Fx PER
I - Delt or Trans Tib
II - Ant Lig
III - High Fib
IV - Post Lig, Volk
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Lauge-Hansen Hallmarks
Vertical Tibia = SADD II
Butterfly Fib = PABD III
Spiral Fib = SER II
High Fib = PER II
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Danis-Weber Ankle (Fibula)
A - Below Joint (SADD)
B - At Joint (PABD, SER)
C - Above Joint (PER)
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Peidatric Ankle Fx (Dias-Tachdjian)
Supination - Inversion (SI)
Supination - Plantarflexion (SP)
Supination - External Rotation (SE)
Pronation - Eversion - External Rotation (PEE)
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Tibial Pilon Fx Ruedi-Allgower
Type I = minimal displacement
Type II = significant displacement
Type III = II & loss of cancellous bone
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Lauge-Hansen Pilon Fx
Stage I - minimal compression
Stage II - anterior fx
Stage III - II & fibular Fx
Stage IV - III & posterior Fx
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