MSK Flashcards

1
Q

1 cause of Osteomyelitis

A

SA

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2
Q

Osteomyelitis in diabetics & foot puncture wound

A

PA

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3
Q

Osteomyelitis in hip replacement

A

Staph epi

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4
Q

Anti-cyclic citrullinated peptide (CCO)

A

RA

- HLA-DR4

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5
Q

Tumor or cystic clearing “soap bubble” lesion in epiphysis of metacarpal bones, contains giant cells

A

Giant cell tumor of bone

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6
Q

Teenager with raised periosteum in the metaphysis of the femur

A

Osteosarcoma

- “Codman’s triangle & sunburst pattern”

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7
Q

Well demarcated lytic lesion with sclerosis <2cm in the femur

A

Osteoid osteoma

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8
Q

Well demarcated lytic lesion with sclerosis >2cm in the femur

A

Osteoblastoma

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9
Q

Teenager with onion skin or sunburst pattern in diaphysis of femur, (11;22)

A

Ewing sarcoma

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10
Q

Unable to relax hand grip, muscle weakness, atrophy, cataracts, testicular failure, balding, spike on EMG

A

Myotonic dystrophy

- CTG expansion of DMPK

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11
Q

Often co-exists w/ temporal arteritis

A

Polymyalgia rheumatica

- shoulder and pelvic girdle sitffness

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12
Q

Painless loss of vision in 1 eye - curtain

A

Retinal artery - red macula
Ophthalmic artery
Temporal arteritis

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13
Q

Central scotoma

A

Blow to back of head
Pre-eclampsia
Macular degeneration

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14
Q

Mosaic bone pattern, inc alk phos, hearing loss

A

Paget disease

  • inc cell turnover
  • HIGH OUTPUT HF
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15
Q

Type I collagen deficiency

A

Osteogenesis imperfecta

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16
Q

Young girl with precocious puberty, short stature, cafe au lait spots and irregular pigmented patches of skin

A

McCune-Albright syndrome

17
Q

Kid w/ small round blue cells, stain + for myoglobin, actin, demin

A

Rhabdomyosarcoma

18
Q

Bone pain relieved by aspirin

A

Osteoid osteoma

19
Q

Only epiphyseal tumor

A

Giant cell

20
Q

Tumor of small bones of hand (metacarpals) and feet

A

Chondroma

21
Q

UE weakness, can’t comb hair, rash on eyelids, red papules on elbows, knees, knuckles

A

Dermatomyostitis