Changes

**-> Thickening of femoral head + degeneration of [[Joints - normal#Articular cartilage|articular cartilage]]

**-> Thickening of femoral head + degeneration of [[Joints - normal#Articular cartilage|articular cartilage]]

**[[Musculoskeletal terminology|Eburnation]]

**[[Musculoskeletal terminology|Eburnation]]

*Predisposes to [[Joints - degenerative#Degenerative joint disease (DJD)|DJD]]

*Predisposes to [[Joints Degenerative - Pathology#Degenerative joint disease (DJD)|DJD]]

*Round ligament of femoral head may rupture -> luxation

*Round ligament of femoral head may rupture -> luxation

**Normally, they unite between 4-6 months of life

**Normally, they unite between 4-6 months of life

*May partially or totally separate from each other

*May partially or totally separate from each other

*Intra-articular irritation -> [[Joints - degenerative#Degenerative joint disease (DJD)|DJD]] with [[Musculoskeletal terminology|osteophyte]] formation within the joint

*Intra-articular irritation -> [[Joints Degenerative - Pathology#Degenerative joint disease (DJD)|DJD]] with [[Musculoskeletal terminology|osteophyte]] formation within the joint

**Lysis → bone cysts

**Lysis → bone cysts

**Focal disruption of [[Bones - normal#Bone development|endochondral ossification]]

**Focal disruption of [[Bones - normal#Bone development|endochondral ossification]]

**-> Angular limb deformities and [[Joints - degenerative#Degenerative joint disease (DJD)|degenerative joint disease]]

**-> Angular limb deformities and [[Joints Degenerative - Pathology#Degenerative joint disease (DJD)|degenerative joint disease]]

**May be present together with '''synovitis'''

**May be present together with '''synovitis'''

**Predilection sites:

**Predilection sites: