Paget's Disease of Bone Flashcards
Aetiology of pagets disease?
Familial
What cells are affected in pagets disease?
Osteoclasts
What is the pathology of pagets disease?
Abnormal bone repair and alteration of bone shape
What happens when the bone shape is altered in pagets?
Increase in size
What are the 3 H’s of pagets?
Huge
Hard
Haemorrhagic
What are the symptoms?
70% asymptomatic
Other
- Pain
- Deformity
- Heat
- Neuro –> deafness
What does pagets disease increase the risk of?
Osteosarcoma
Pseudofractures
Diagnosis?
Bloods
X ray
What are the levels of alkaline phosphatase, calcium, phosphate and PTH?
High alk phos
Normal/slightly incr. calcium and phosphate
Raised PTH
What is shown on xray of pagetic bone?
Sclerosis and lysis
Treatment?
Bisphosphonates
What can be given if bisphosphonates are contraindicated?
Calcitonin