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COM - MSK II > Ch. 26: Bones, Joints, ST > Flashcards

Ch. 26: Bones, Joints, ST Flashcards

1
Q

gain FGFR3

A

Achondroplasia, Thanatothrophic

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2
Q

COL1A1, COL1A2

A

Osteogenesis Imperfecta

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3
Q

Blue Sclera, Dental Imperfections, Hearing Loss

A

Ost. Imp. (Type 2 = lethal)

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4
Q

CA2, CLCN7; low acidification

A

Osteopetrosis

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5
Q

SQSTM1, gain RANK, loss OPG

A

Paget Dz

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6
Q

Mosaic Pattern, Lion facies, Chalk Stick Fx, Heart failure, Osteosarcoma, high ALP

A

Paget Dz

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7
Q

Frontal Bossing, Bowed legs, Short Stature, Rachitic Rosary, decr. mineralization

A

Rickets

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8
Q

Brodie Abscess

A

Osteomyelitis

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9
Q

Saber Shin, Spirochetes, Gummas, Edematous granulation

A

Syphilis

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10
Q

SMALL, nocturnal pain, relieved by NSAIDs; middle lucency (nidus) surrounded by sclerosis (Metaphysis of long bone)

A

Osteoid Osteoma

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11
Q

Osteoma + FAP (GI) + Retroperitoneal Fibrosis

A

Gardner Syndrome

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12
Q

LARGE, vertebral column, NOT responsive to NSAIDs

A

Osteoblastoma

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13
Q

Bimodal Tumor; RB, TP53, INK4a, MDM2, CDK4; Codman triangle; sunburst; pleomorphic cells in fine lace-like pattern

A

Osteosarcoma

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14
Q

EXT1/EXT2; Exostosis

A

Osteochondroma

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15
Q

IDH1/2

A

Enchondroma

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16
Q

Chr. 17p13 (USP6)

A

Aneurysmal Bone Cyst

17
Q

Eccentric; banal fibroblasts; storiform pattern

A

Fibrous Cortical Defect

18
Q

GNAS

A

McCune-Albright (polyostotic, Fibrous Dysplasia, precocious puberty)

19
Q

HLA-DR4, RF, CCP, ANA

A

RA

20
Q

HLA, ANA, PTPN22, NO RF

A

Juvenile Idiopathic Arth

21
Q

HLA-B27

A

Seronegative Arthropathies

22
Q

HLA-B27, HLA-Cw6

A

Psoriatic Arthritis

23
Q

HGPRT, URAT1, GLUT1

A

Gout

24
Q

gain M-CSF via t(1;2) or (p13;q37)

A

Tenosynovial Giant Cell Tumor

25
Q

MDM2

A

Lipsarcoma

26
Q

t(17;22) w/ Hx of trauma

A

Nodular Fasciitis

27
Q

APC, Beta-Catenin

A

Desmoid Tumors

28
Q

t(X;18)

A

Synovial Sarcoma

COM - MSK II (3 decks)

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