Albers schonberg disease is -
Osteopetrosis is known as Marble bone disease or Alber&;s Schonberg disease. In this condition bone is hard as marble or as brittle as chalks. There is continued new bone deposition on unresorbed calcified cailage and there is failure of remodelling. Reference- Maheshwari- 5th edn- pg no 317
Osteopetrosis
Osteoporosis
Osteochondritis
Osteomalacia
Bony dysplasia and soft tissue affection