MSK Flashcards

Question

Lesions w/ Sequestrum

Answer 1

- OM - EG - Fibrosarcoma - Lymphoma - Mets - Osteoid osteoma (pseudosequestrum)

Answer 2

1) NF1 2) JRA 3) OI 4) Immobilization or Paralysis - Congenital CNS lesions - Birth palsies 5) Muscular dystrophy

Answer 3

- Greater trochanter - Patella - Carpal bones - Calcaneus - Subarticular Flat bones - Acetabulum - Glenoid of scapula - Around SI jts

Answer 4

``` "HORNS" H - HyperPTH O- OI R - RA N - NF1 S - Scleroderma ```

Answer 5

1) Lytic - Lung - Kidney - Breast - Thyroid - GI - Neuroblastoma 2) Blastic - Prostate - Carcinoid - Medulloblastoma 3) Mixed - Lung - Breast - GI 4) Lysis w/ Blowout - Thyroid - RCC

Answer 6

1) SCD 2) Psoriatic arthritis 3) TB

Answer 7

"ASEPTIC" - Anemia from SCD - Steroid use, SLE, Scleroderma - Ethanol - Pancreatitis - Trauma - Infection/Idiopathic (Blount, Keinbock, Panner's, L-C-P) - Caisson's dz

Answer 8

1) Bone Centered (Non-Aggressive) - Enchondroma - Epidermoid inclusion cyst - BPOP - Juxtacortical chondroma - Osteochondroma - Subungual exostosis 2) Bone Centered (Aggressive) - Mets - Myeloma - Infection 3) Soft Tissue Centered - Giant cell tumor of tendon sheath - Lipoma - Ganglion cyst - Glomus tumor - PNST

Answer 9

1) Lipoma 2) PNST 3) Hematoma 4) Epidermal lesion 5) Sarcoma

Answer 10

1) Bilateral - RA - HyperPTH - Cleidocranial dysplasia - Gorlin disease/Vanishing bone disease 2) Unilateral - Septic arthritis - Post-traumatic osteolysis - Mets/Myeloma

Answer 11

1) Rotator cuff tear 2) RA 3) CPPD

Answer 12

1) Gaucher's dz 2) Osteopetrosis 3) Hemoglobinopathies (Thalassemia, SCD) 4) FD 5) Multiple hereditary exostoses 6) Enchondromatosis

Answer 13

1) Mets - breast, prostate 2) Renal osteodystrophy 3) Osteopetrosis 4) Mastocytosis 5) Myelofibrosis 6) Pyknodysostosis 7) SCA 8) Paget's 9) Lymphoma 10) Fluorosis

Answer 14

1) Chordoma 2) Chondrosarcoma 3) GCT 4) Mets/Myeloma 5) Tarlov cyst 6) Sacrococcygeal teratoma (paeds)

Answer 15

1) Hemophilia 2) JIA 3) Paralysis 4) TB arthritis

Answer 16

1) Osteopenia 2) Hemangioma 3) Paget's 4) Thalassemia 5) Plasmacytoma (mini-brain appearance)

Answer 17

1) Osteoporosis 2) Multiple myeloma 3) Leukemia 4) Thalassemia 5) Gaucher's

Answer 18

1) Disuse 2) AVN 3) Periarticular from Arthritis - RA, septic arthritis, SLE, RSD 4) AVN 5) Transient osteoporosis of the hip 6) Regional migratory osteoporosis 7) Ill-defined lytic lesions

Answer 19

1) HyperPTH 2) Renal Osteodystrophy 3) Osteomalacia 4) Disuse 5) Paget's

Answer 20

1) Blastic mets 2) Osteopoikilosis 3) TS 4) Fluorosis 5) Mastocytosis 6) Paget's

Answer 21

1) Mets/Myeloma 2) Lymphoma/Leukemia 3) Acute OM 4) EG 5) Hemangioma 6) Ewing's 7) Telangiectatic osteosarcoma 8) Fibrosarcoma

Answer 22

1) Mets/Myeloma 2) OM 3) FD 4) Brown tumors 5) EG 6) Lymphoma/Leukemia 7) Enchondromas

Answer 23

1) Lipoma 2) Liposclerosing myxofibrous tumor 3) FD 4) SBC

Answer 24

1) Mets 2) Bone island 3) Osteoid osteoma 4) Osteoblastoma 5) Mature bone infarct 6) Enchondroma 7) FD 8) Healing stress fracture 9) Involuted NOF

Answer 25

1) Met 2) Immature bone infarct 3) Osteosarcoma 4) Chondrosarcoma 5) Stress # 6) Paget's 7) Chronic OM

Answer 26

1) Stress # 2) OM 3) Melorrheostosis 4) Myositis ossificans 5) Tumor - Osteoma - Osteoid osteoma - Osteoblastoma - Chondroblastoma - Parosteal osteosarcoma

Answer 27

1) Physiologic 2) Caffey's dz 3) NAI 4) Prostaglandin Rx 5) Malignancy 6) Congenital syphilis

Answer 28

1) Trauma 2) Neurologic injury (TBI, Stroke, Spinal cord injury) 3) Burns 4) Myositis ossificans progressiva

Answer 29

1) Steroids - Exogenous - Cushing's dz 2) OI 3) Infection 4) Trauma 5) Paralysis/Neuromuscular disorder

Answer 30

1) Cortical desmoid 2) Osteoid osteoma 3) NOF 4) Parosteal osteosarcoma 5) Cortical FD 6) Adamantinoma 7) Ossifying fibroma

Answer 31

1) Idiopathic 2) JIA 3) Turner's 4) Muccopolysacharidoses 5) Hypoparathyroidism 6) Trauma 7) SCD

Answer 32

"FEMALE" - FD - EG - Met - Adamantinoma/Ossifying fibroma - Lymphoma/Leukemia - Ewing's

Answer 33

1) Trauma 2) Prior Legg-Calve-Perthes 3) DDH

Answer 34

1) Degenerative jt dz 2) CPPD 3) RA 4) Ischemia/AVN

Answer 35

1) RA 2) JIA 3) Trauma 4) Infection 5) Osteomalacia 6) Paget's 7) AS

Answer 36

1) OM 2) Small round blue cell tumors - Ewing's - Lymphoma/Leukemia - Neuroblastoma - Multiple myeloma 3) EG

Answer 37

1) Truma 2) JIA 3) Infection 4) Hemophilia 5) Accelerated Skeletal Maturation - McCune-Albright - Hyperthyroidism

Answer 38

1) Degenerative enthesopathy 2) DISH 3) Acromegaly

Answer 39

1) Psoriatic arthritis 3) Reactive arthritis 4) Avulsion injury 5) AS

Answer 40

1) Post-traumatic 2) Overuse 3) CTD (RA, SLE) 4) Infection

Answer 41

1) Trauma 2) Septic arthritis 3) PVNS 4) Synovial chondromatosis 5) Crystal Arthritides - Gout - CPPD - Calcium hydroxyapatite deposition dz

Answer 42

1) RA 2) Septic (acute) 3) TB (indolent)

Answer 43

1) Psoriatic 2) Reactive 3) AS 4) Erosive OA

Answer 44

1) Gout 2) TB (indolent course) 3) Juvenile chronic arthritis 4) Hemophilia 5) Amyloidosis 6) Synovial chondromatosis 7) SLE, Jaccoud's 8) Reactive Synovitis - Infection, IBD, Neoplasms

Answer 45

1) Trauma 2) Infection 3) CPPD 4) Hemochromatosis 5) Acromegaly 6) Articular dysplasia

Answer 46

1) Synovial osteochondromatosis 2) Detached osteophyte 3) Acute osteochondral # 4) Unstable OCD fragment

Answer 47

1) Synovial chondromatosis 2) Rice body (RA, TB) 3) Lipoma arborescens

Answer 48

1) Trauma 2) Infection 3) Seronegative spondyloarthropathy 4) RA/JIA 5) Tarsal/Carpal coalition 6) Effusion Mimics - Amyloid - PVNS - Hemophilia

Answer 49

1) Overuse, Dialysis 2) Trauma 3) Infection 4) RA 5) Gout 6) CPPD

Answer 50

1) RA 2) SLE 3) Jaccoud's arthropathy

Answer 51

1) CPPD (2-3 MCPs) | 2) Hemochromatosis (diffuse)

Answer 52

1) Trauma 2) Subchondral insufficiency # 3) AVN collapse 4) OCD 5) OA

Answer 53

1) AS 2) HyperPTH 3) Septic arthritis 4) Reactive arthritis 5) Psoriatic arthritis 6) Enteropathic arthropathy

Answer 54

1) Gout 2) Amyloidosis (no blooming, low T1/T2) 3) PVNS (blooming, low T1/T2) 4) Hemophilia (bloom, low T1/T2, wide physes)

Answer 55

Osteopenia in amyloidosis

Answer 56

GCTTS located in soft tissue near jt

Answer 57

1) Hydroxyapatite deposition 2) Gout 3) Scleroderma 4) Tumoral Calcinosis - HyperPTH - Renal failure - Hypervitaminosis D - Sarcoidosis

Answer 58

1) Metastatic - HyperPTH - Renal osteodystrophy 2) Scleroderma 3) Dermatomyositis/Polymyositis 4) SLE 5) Dystrophic (trauma)

Answer 59

1) CPPD 2) OA 3) Gout 4) HyperPTH 5) Hemochromatosis

Answer 60

1) Spondylolysis 2) Facet degeneration 3) Degenerative disc dz 4) trauma 5) Ligamentous Laxity - Marfan's - Ehlers-Danlos

Answer 61

1) Trauma 2) Arthritis - RA - CPPD 3) Congenital - Down - Morquio's - Congenital hypoplasia of dens/ Os odontoideum 4) Ligamentous Laxity - Marfan's - Ehlers-Danlos 5) Adjacent infection (tonsilitis, pharyngitis)

Answer 62

1) Asymmetric - Psoriatic arthritis - Reactive arthritis 2) Symmetric - AS - Enteropathic arthropathy 3) DISH (anterior) 4) TB (focal mass)

Answer 63

1) Degenerative disc dz 2) CPPD 3) AS 4) Surgical fusion

Answer 64

1) Paget's 2) ABC 3) Acromegaly

Answer 65

1) Inc Spinal Pressure - Neoplasm (lipoma, ependymoma, schwannoma) - Syrinx - Long standing hydro 2) Dural Ectasia - NF1 - Marfan's - Ehlers-Danlos 3) Achondroplasia 4) Acromegaly

Answer 66

1) Aortic aneurysm 2) LNs 3) TB

Answer 67

1) Met 2) ABC 3) Congenital absence (contralateral hypertrophy)

Answer 68

1) Osteoblastic met 2) Osteoblastoma 3) Congenital absence of contralateral pedicle

Answer 69

1) Degenerative disc dz 2) Renal Osteodrystrophy 3) Osteopetrosis

Answer 70

1) Trauma 2) Syrinx 3) Intraspinal tumor 4) Dysraphism 5) AVM

Answer 71

1) Congenital (achondroplasia) 2) TB (Pott's dz) 3) Fracture 4) Vertebra plana

Answer 72

"MAC" Mets/Myeloma ABC Chondrosarcoma

Answer 73

1) EG 2) Lymphoma/Leukemia 3) Periapical abscess 4) 1ry mandibular tumor

Answer 74

1) Trauma (contusion, stress #) 2) Osteoid osteoma 3) AVN 4) Transient regional osteoporosis 5) Infection 6) Other neoplasm

Answer 75

1) Hematoma 2) ABscess 3) Bursa 4) Synovial cyst 5) Ganglion cyst 6) Myxoid Tumors - Myxoma - Myxoid liposarcoma - MFH - Chondrosarcoma

Answer 76

1) Lipomatous 2) Sarcoma (MFH, Synovial) 3) Angiomatous 4) Neurogenic 5) Fibromatosis 6) PVNS

Answer 77

1) Steroid use 2) Renal failure 3) DM 4) CTD (SLE, RA)

Answer 78

1) Mets 2) Myeloma 3) NOF 4) Osteoid Osteoma 5) ABC 6) Chondromyxoid Fibroma 7) Adamantinoma 8) EG

Answer 79

1) FD --> Osteosarcoma, Fibrosarcoma 2) Paget's --> Osteosarcoma 3) OM w/ Draining Sinus --> SCC 4) Radiation --> OSA, Chondrosarcoma, MFH 5) Bone Infarct --> Fibrosarcoma, MFH 6) Ollier's/Maffucci --> Chondrosarcoma 7) Hereditary Exostosis --> Chondrosarcoma

Answer 80

1) VACTERL 2) Holt-Oram 3) Fanconi's anemia

Answer 81

1) Congenital - Bladder exstrophy - Cleidocranial dysplasia - GU or anorectal malformations 2) Bone Resorption/Destruction - Pregnancy - Osteitis pubis - Infection - Mets - HyperPTH

Answer 82

1) Diffuse - Dwarf syndromes - OI - Morquio's 2) Solitary - Leukemia - EG - Mets/Myeloma SCD

Answer 83

1) Acromegaly 2) Cushing's dz 3) Scurvy