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MSK final > pediatric MSK conditions > Flashcards

pediatric MSK conditions Flashcards

1
Q

long bones grow by

A

endochondral ossification

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2
Q

flat bones grow by

A

intramembranous ossification

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3
Q

when born your legs are in

A

varus

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4
Q

valgus peaks around age

A

4

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5
Q

blounts disease

A

progressive genu varum

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6
Q

genu vacuum must be corrected by age

A

4 to prevent permanent growth arrest

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7
Q

adolescent Blount demographics

A

obese

African American males

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8
Q

6% of _______ patients develop embryonal (wilms tumor)

A

hemihypertrophy

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9
Q

Most common skeletal dysplasia

A

achondroplasia

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10
Q

inheritance of achondroplasia

A

Auto dominant (single gene in FGF3

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11
Q

zone affected in achondroplasia

A

proliferative zone

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12
Q

Pseudoachondroplasia

A

Similar to achondroplasia, but normal facial features

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13
Q

Cleidocranial Dysostosis

A

proportional, mild dwarfism with absent clavicles

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14
Q

most common long bone deficiency

A

fibular (hemimelia)

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15
Q

clubfoot

A
  • Hindfoot varus and equinus

- Mid and forefoot adductus and cavus

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16
Q

dorsal dislocation of navicular on talus

A

congenital vertical talus (rocker bottom foot)

17
Q

pediatric hip disorders

A
  • Legg-Calve-Perthes
  • Developmental Dysplasia of the Hip (DDH)
  • Slipped Capital Femoral Epiphysis
  • Congenital Coxa Vara
18
Q

Evolving areas of avascular necrosis within the femoral head

A

Legg Calve Perthes disease

19
Q

most common pediatric hip disorder

A

developmental dysplasia of the hip DDH

20
Q

DDH

A
  • Spectrum from complete, irreducible dislocation to mild acetabular dysplasia
  • neck displaces anteriorly and superiorly relative to the epiphysis

MSK final (11 decks)

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