Osteopetrosis

**Definition:** Excessive formation of dense trabecular bone leading to pathological fractures; OSTEITIS; SPLENOMEGALY with infarct; ANEMIA; and extramedullary hemopoiesis (HEMATOPOIESIS, EXTRAMEDULLARY).

**Tree numbers:** - C05.116.099.708.702.678

**Synonyms:** - Albers-Schonberg Disease - Albers-Schönberg Disease - Albers-Schoenberg Disease - Osteosclerosis Fragilis - Osteosclerosis Fragilis Generalisata - Marble Bone Disease