Reading Pediatric Ortho Films Flashcards

1
Q

Where growth occurs. Caps the metaphysis and supports articular cartilage. Blood supply may be limited

A

Epiphysis

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2
Q

Portion of the bone converted from cartilage until remodeled to diaphysis. Active metabolic area with formation of blood elements. End-arterial loops susceptible to embolic phenomena

A

Metaphysis

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3
Q

Thick, central bone that serves a supporting function. Cortical and cancellous bone

A

Diaphysis

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4
Q

How many planes do you need for fracture films?

A

2 (at least AP and lateral)

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5
Q

How do you distinguish between fracture and accessory bone?

A

accessory bones have smoother surfaces and total mass greater than expected

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6
Q

Common fractures for peds because their bones are soft

A

greenstick, torus, curved

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7
Q

Why are fractures hard to see in kids?

A

have sturdy periosteum

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8
Q

Differences between treatment for adult and children fractures

A

Kids heal quickly, can remodel so they are usually treated conservatively

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9
Q

A transverse fracture through the growth plate according to salter-harris classification

A

type I

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10
Q

A fracture through the growth plate and the metaphysis, sparing the epiphysis. according to salter-harris classification

A

type II

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11
Q

A fracture through growth plate and epiphysis, sparing the metaphysis according to salter-harris classification

A

type III

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12
Q

A fracture through all three elements of the bone, the growth plate, metaphysis, and epiphysis according to Salter-harris classification

A

type IV

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13
Q

A compression fracture of the growth plate (crush injury) according to salter-harris

A

type V

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14
Q

Pattern seen with osteosarcoma

A

sunburst

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15
Q

Pattern seen with Ewing’s sarcoma

A

onion skinning

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16
Q

sign of trauma in the joint

A

fat pad sign (darkened area)

17
Q

What are you worried about with a displaced salter I fracture?

A

premature closure of central growth plate—>growth arrest