Sanders & Beavis Flashcards

1
Q

what is the sanders classification for?

A

calcaneus fractures

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2
Q

what is the classification system for calcaneus fractures?

A

sanders and beavis

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3
Q

Nondisplaced posterior facet (regardless of number of fracture lines)

A

type 1 sanders

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4
Q

what is a type 1 sanders?

A

Nondisplaced posterior facet (regardless of number of fracture lines)

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5
Q

One fracture line in the posterior facet (two fragments)

A

type 2 sanders

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6
Q

what is a type 2 sanders?

A

One fracture line in the posterior facet (two fragments)

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7
Q

Two fracture lines in the posterior facet (three fragments)

A

type 3 sanders

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8
Q

what is a type 3 sanders?

A

Two fracture lines in the posterior facet (three fragments)

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9
Q

Comminuted with more than three fracture lines in the posterior facet (four or more fragments)

A

type 4 sanders

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10
Q

what is a type 4 sanders?

A

Comminuted with more than three fracture lines in the posterior facet (four or more fragments)

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11
Q

based on the number of articular fragments seen on the coronal CT image at the widest point of the posterior facet

A

sanders classification

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12
Q

what is the sanders classification based on?

A

based on the number of articular fragments seen on the coronal CT image at the widest point of the posterior facet

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13
Q

based on fracture morphology of the calcaneus tuberosity

A

beavis classification

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14
Q

what is the beavis classification based on?

A

based on fracture morphology of the calcaneus tuberosity

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15
Q

what is a type 1 beavis

A

Sleeve fracture - small shell of cortical bone avulses from the tuberosity

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16
Q

Sleeve fracture - small shell of cortical bone avulses from the tuberosity

A

type 1 beavis

17
Q

Beak fracture - oblique fracture line runs posteriorly from most superior portion of the posterior facet

A

type 2 beavis

18
Q

what is a type 2 beavis?

A

Beak fracture - oblique fracture line runs posteriorly from most superior portion of the posterior facet

19
Q

Infrabursal fracture from the middle of the tuberosity

A

type 3 beavis

20
Q

what is a type 3 beavis?

A

Infrabursal fracture from the middle of the tuberosity

21
Q
A