Common Viva Questions From Fibrous Dysplasia: Bone Diseases

Common Viva Questions From Fibrous Dysplasia
Q. What is ground glass appearance in case of fibrous dysplasia?
- Ground glass = Glass with smooth ground surface that renders it
non-transparent while retaining its transparency



Q. What are Cafe-au-lait spots?
- These are flat macules or pigmented birthmarks.




Q. Other conditions where Cafe-au-lait spots can be seen:
- 1. Neurofibromatosis
  2. McCune-Albright syndrome
  3. Fibrous dysplasia

Q. How Cafe-au-lait spots in fibrous dysplasia are differentiated from that of neurofibromatosis? 
- Having irregular margins ( In neurofibromatosis they are regular outlined)

Q. What is McCune-Albright syndrome?
Polyostotic fibrous dysplasia showing a tried of
1.  Bone defects
2. Varying endocrine deformities and
3. Cafe-au-lait spots

Q. What is Mazabraud syndrome?
- Fibrous dysplasia with multiple intramuscular myxomas called Mazabraud syndrome.

Q. What is rind sign in fibrous dysplasia?
- The lucent lesion has a thick sclerotic border and called rind sign.