Bone Density

Question 1

What is a good modality for studying the components of marrow?

Answer 1

MRI

Question 2

What is the injection used for a bone scan?

Answer 2

Technetium 99 MDP

Question 3

When is a bone scan less sensitivie?

Answer 3

Multiple myeloma (osteoclastic, because of lytic nature)

Question 4

What is a good modality to use for multiple myeloma?

Answer 4

Xrays

Question 5

What does the honda sign indicate?

Answer 5

Sacral insufficiency fracture

Question 6

If there is a wide zone of transition in a bone tumor, is the cancer more likely to be agressive or non-agressive?

Answer 6

Agressive

Question 7

If a bone cancer has a motheaten look with multiple lytic areas is it aggressive or not? what type is it?

Answer 7

Agressive

Type 2

Question 8

What type is a narrow transition zone, non sclerotic margin ?

Answer 8

Type 1 B

Question 9

What type is a narrow transition zone, sclerotic margin

Answer 9

Type 1 A

Question 10

What type are the following? B9. Bone cyst, nonossifying fibroma, fibrous dysplasia, osteoid osteoma

Answer 10

Type 1A

Question 11

What type are the following? Bone cyst, enchondroma, chondromyxoid fibroma, giant cell, eosinophilic granuloma

Answer 11

Type 1B

Question 12

What tyep are the following: Giant cell tumor, osteosarcoma, malignant fibrous histiocytoma, chondrosarcoma, brown tumor, mets..

Answer 12

Type 1 C

Question 13

What type are the following . Malignant neoplasms, primary and metastatic, osteomyelitis

Answer 13

Type 2

Question 14

What type are the following Sarcomas, hyperparathyroidism, fracture, osteomyelitis.

Answer 14

Type 3

Question 15

What is a big tumor. Nidus less than 2 cm surrounded by a zone of reactive bone. Dull pain that’s worst at night and disappears within 20-30 min after NSAI’s

Answer 15

Osteoid Osteoma

Question 16

If a tumor is in the chondroid what does it look like?

Answer 16

Arcs and rings

Question 17

If a tumor is in the osteoid what would it look like?

Answer 17

Cloud-like

Question 18

In a tumor with a sunburst around it agressive or non agressive?

Answer 18

Aggressive

Question 19

If a tumor looks like onion skinning is it more toward the agressive or non-agressive side?

Answer 19

Agressive

Question 20

What age range does multiple myeloma or metastasis typically occur in?

Answer 20

Older individuals (50-80)

Question 21

Tumors with what in front of them have more bone producing abnormality?

Answer 21

“osteo”

Question 22

What can stool mimic in the pelvis?

Answer 22

Fracture, bone tumors

Question 23

What is a fracture that occurs with repetitie trauma and is a fatigue fracture?

Answer 23

Stress fracture

Question 24

What occurs when normal stress is placed upon abnormal bone

Answer 24

insufficiency fracture

Question 25

what type fracture is a buckling that doesn't go all the way through the cortex?

Answer 25

torus

Question 26

This child presents with limping and is usually a boy. Has osteonecrosis of the femoral head. What is the disease?

Answer 26

Legg-Perthes Disease

Question 27

This occurs normally in overweight pre-teen or teenager. Presents with a limp.

Answer 27

Slipped Capital Femoral Epiphysis (SCFE)

Question 28

What are common fractures that can indicate child abuse?

Answer 28

Fractures of ribs, ends of long bones (near growth plates), spine

Question 29

What are common head injuries in child abuse?

Answer 29

subdural hemorrhage brain swelling (cerebral edema) multiple skull fractures (eggshell)

Question 30

WHat should you start with for a ligamentous/ soft tissue injury?

Answer 30

MRI Arthrogram Ultrasound

Question 31

For osteomyelitis what should you start with?

Answer 31

MRI | Nuclear medicine studies

Question 32

Arthrogram is usually combine with what?

Answer 32

MRI

Question 33

Is there an injection of contrast in an arthrogram?

Answer 33

yes, gadolinium

Question 34

type of arthritis that could be angered by eating at big texan?

Answer 34

Gout

Question 35

What is any disease that affects the joint?

Answer 35

Arthritis

Question 36

What is an arthritis where there is bone production?

Answer 36

Hypertrophic

Question 37

What is an arthritis where there is boen destruction?

Answer 37

Erosive arthritis (underlying inflammation and lysis)

Question 38

What is bone formation extending from bone? (type of hypertrophic arthritis)

Answer 38

Osteophytes

Question 39

What is bone production within the confines of preexisiting bone? (type of hypertrophic arthritis)

Answer 39

Subchondral sclerosis

Question 40

What are the four hypertrophic arthrides

Answer 40

Osteoarthritis Erosive osteoarthritis Charcot arthropathy calcium pyrophosphate deposition disease (CPPD)

Question 41

Osteoarthritis is mostly a _____ disease?

Answer 41

DISTAL

Question 42

What is a common joint for osteoarthritis?

Answer 42

1st CMC

Question 43

What is : Degenerative arthritis of synovial joints that occurs because of an underlying predisposing condition such as trauma.

Answer 43

Degenerative arthritis

Question 44

What type of osteoarthritis has severe inflammation, erosions typically centrally located in joints. Often seen in perimenopausal females.

Answer 44

Erosive osteoarthritis

Question 45

What type arthropathy is seen in a neuropathic joint and due to a disturbance in sensation. Often seen in those with diabetes in shoulder, hips, ankles, and feet.

Answer 45

Charcot arthropathy

Question 46

What is the deposition of calcium pyrophosphate dihydrate crystals in and around joints. Known as pseudogout. Affects joints not typically affected by osteoarthritis.

Answer 46

Calcium Pyrophosphate Deposition Disease

Question 47

Type of arthritis, related to inflammation. There are lytic lesions in or near the joint. Pannus- mas of growing and enlarging synovial tissue.

Answer 47

Erosive arthritis

Question 48

What are some types of erosive arthritis?

Answer 48

Rheumatoid arthritis Gout psoariatic arthritis Ankylosing spondylitis

Question 49

What joints does rheumatoid arthritis usually affect?

Answer 49

Proximal joints | B/L symmetric

Question 50

Are there bone formation in rheumatoid arthritis?

Answer 50

No

Question 51

What is Inflammation changes incited by the deposition of calcium urate crystals?

Answer 51

Gout

Question 52

What joint is affected most by gout?

Answer 52

Metatarsal-phalangeal joint

Question 53

When you hear "pencil in cup" what disease should you think?

Answer 53

Psoriatic arthritis

Question 54

What is a progressive disease that leads to inflammation and eventual fusion of the SI joint. Seen in males. HLA B27 marker. Ascends spine starting at SI joint.

Answer 54

Ankylosing Spondylitis

Question 55

In the spine with ankylosing spondylitis there is ossification of what?

Answer 55

The outer fibers of the annulus fibrosis

Question 56

people with ankylosing spondylitis has a spine that looks like what?

Answer 56

bamboo

Question 57

this type of arthritis usually occurs from hematogenous seeding of the synovial membrane from an infected source elsewhere in the body.

Answer 57

Infectious arthritis

Question 58

What is the pyogenic form of infectious arthritis?

Answer 58

Staph

Question 59

What is the nonpyogenic form of infectious arthritis?

Answer 59

Mycobacterium

Question 60

How many joints does infectious arthritis usually occur in?

Answer 60

One

Question 61

What are 4 things that lead to increased bone density (white)?

Answer 61

Osteoblastic metastasis Osteopetrosis Pagets (focal) Avascular necrosis (focal)

Question 62

What are 6 things that lead to decreased bone density (dark)?

Answer 62

``` Osteoclastic metastasis Osteoporosis Hyperthyroidism Rickets Osteomyelitis Multiple myelomas ```

Question 63

Are these cancer types osteoblastic or osteolytic? | Prostate, breast, lymphoma, carcinoid

Answer 63

Osteoblastic

Question 64

``` Are these cancer types osteoblastic or osteolytic? Lung cancer breast cancer renal cell cancer thyroid ```

Answer 64

Osteolytic

Question 65

What is the destruction of bone by an infectious agent?

Answer 65

Osteomyelitis

Question 66

What is the destruction of bone by an infectious agent?

Answer 66

Osteomyelitis