Paget disease of bone

Definition

A disorder characterised by pathologically excessive resorption of bone by multinucleated osteoclasts and abnormal modelling of disorganised, woven bone by osteoblasts with resultant bone vascularization, weakness, enlargement and deformity.

Inclusions

• Osteitis deformans

4 subordinate codes

• FB85.0Juvenile Paget disease
• FB85.1Paget disease of bone in neoplastic disease
• 4B4YOther specified diseases of the immune system
• 4B4ZDiseases of the immune system, unspecified

Nearby in Osteopathies or chondropathies

• FB80Certain specified disorders of bone density or structure
• FB81Osteonecrosis
• FB82Chondropathies
• FB83Low bone mass disorders
• FB84Osteomyelitis or osteitis
• FB86Disorders associated with bone growth
• 4B4YOther specified diseases of the immune system
• 4B4ZDiseases of the immune system, unspecified