Tumor Periosteal responses Flashcards Preview

Skeletal Radiology 1 CUKC > Tumor Periosteal responses > Flashcards

Flashcards in Tumor Periosteal responses Deck (14)
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1
Q

What tumor is associated with Age 0-10, and has ill-defined margins?

A

EG
Osteoscarcoma
Leukemia

2
Q

What tumor is associated with Age 0-10, and has well-defined margins?

A

EG (Eosinophilic Granuloma)

SBC

3
Q

What primary malignant tumor is associated with Age 0-10, and is sclerotic?

A

osteoscarcoma

4
Q

Pt’s younger than 30 yoa, what tumors are located in epiphysis?

A

Chondroblastoma
Infection
osteosarcoma (can cross physis)

5
Q

What is the difference between polyostatic and monostotic?

A

Poly indicates tumors in more than one bone

Mono tumor only found in one bone

6
Q

Periosteal reaction may be classified as benign or aggressive. True or False

A

True

7
Q

Benign low-grade chronic irritation permits formation of normal/near-normal cortex. It’s seen in callus formation in fracture or slow growing tumors. True or False

A

True

note: cortex will be thick, dense, wavy or uniform in appearance

8
Q

In an aggressive periosteal reaction what will the cortex look like?

A

lamellate, amorphous or Sunburst-like

9
Q

Aggressive periosteal reaction are seen in Malignant and Benign tumors. Name 3 benign processes this reaction can be seen.

A
ABC
Osteoid osteoma
Infection
Eosinophilic granuloma
Hemophilia
Trauma
10
Q

Name at least 3 morphological classifications of periosteal reactions.

A

Solid
Single or Multilayered (laminated)
Spiculated
Codman’s Triangle

11
Q

Perpendicular speculated periosteal reaction describes what radiographic sign?

A

Hair-on-end

12
Q

Divergent speculated periosteal reaction describes what radiographic manifestation?

A

Sunburst

13
Q

Name 3 benign lesions that result in Endosteal scalloping

A

Enchondroma
Chondroblastoma
osteomyelitis

14
Q

Name 3 malignancies that result in Endosteal scalloping

A

Chondrosarcoma
Skeletal Metastases
Multiple myeloma