Reactive Bone Formation Flashcards Preview

Unit 6: Path - Bones and Joints > Reactive Bone Formation > Flashcards

Flashcards in Reactive Bone Formation Deck (10):
1


What is reactive bone formation?


Intramembranous bone formed in response to stress on bone or soft tissue

2


What typical radiologic finding is observed during reactive bone formation?


Sunburst pattern

3


What occurs on when an onion skin pattern is observed?


Progressive layering of the periosteum

4


What type of bone is laid down resulting from a rapid stress? Gradual stress?


Woven bone; Lamellar bone

5


What is Heterotopic Ossification?


Formation of reactive bone in extraskeletal sites

6


WHat is the name of the disorder in which massive deposits of bone is deposited around multiple joints?


Fibrodysplasia ossificans progressiva

7


What is the name of the condition in which calcium salts are deposited in soft tissues?


Heterotopic calcification

8


What are the two types of heterotopic calcification?

 

  1. Metastatic - WHen increazsed levels of calcium-phosphate product
  2. Dystrophic - calcification in abnormal or damaged tissue

9


What is the name of the condition in which reactive bone formation forms in the muscle after injury?


Myositis Ossificans

10


How is myositis ossifican s distinguished from a neoplasm?


In MO, bone matures peripherally, whereas it is immature or not formed at all in the center of the lesion; In a neoplasm, the lesion is most mature centrally