MSK: path random memorization Flashcards
Osteoporosis causes loss of mass/interconnections in which type of bone?
Spongy/trabecular
What T score is diagnostic of osteoporosis?
=/< -2.5
Type 1 osteoporosis affects what demographic?
Post-menopausal women
Type 2 osteoporosis affects what demographic?
Men and women over 70
What’s the name of the monoclonal antibody against RANK-L?
Denosumab
What mutation is associated with osteopetrosis?
Carbonic anhydrase II
What’s a potential cure for osteopetrosis?
BMT (osteoclasts are derived from monocytes)
Why is there increased ALP in osteomalacia and rickets?
Osteoblasts are hyperactive
A “bone-in-bone” appearance is characteristic of what disease?
Osteopetrosis
Name 4 stages of paget’s disease and cell activity in each.
Lytic: clasts
Mixed: clasts + blasts
Sclerotic: Blasts
Quiescent: minimal blast/clast activity
Paget’s dz of bone is also known by what other name?
Osteitis deformans
2 scariest complications of Paget’s dz of bone?
High-output HF
Osteogenic sarcoma
What is the name for when bone is replaced by fibroblasts, collagen, and irregular bony trabeculae?
Polyostotic fibrous dysplasia
What disease presents with the triad of:
- Multiple foci of polyostotic fibrous dysplasia
- Endocrine abnormalities
- Cafe-au-lait spots
McCune-Albright syndrome
Which bone tumor looks like a mushroom, as it’s made of mature bone with a cartilagenous cap?
Osteochondroma
Another name for osteochondroma?
Exostosis
Bone tumor with multinucleated giant cells and a “soap bubble” appearance on X-ray?
Giant cell tumor