Author, Bureaucrats, Administrators
12,693
edits
Changes
Jump to navigation
Jump to search
Joints Degenerative - Pathology (view source)
Revision as of 19:56, 18 August 2008
, 19:56, 18 August 2008no edit summary
***Clefts in the cartilage, perpendicular to the surface
***Clefts in the cartilage, perpendicular to the surface
**Complete exposure of underlying bone
**Complete exposure of underlying bone
***Bone appears polishes, dense - [[Musculoskeletal terminology|eburnation]]
***Bone appears polishes, dense - [[Musculoskeletal Terminology - Pathology|eburnation]]
***Radiographically - joint space reduction due to loss of cartilage
***Radiographically - joint space reduction due to loss of cartilage
**[[Musculoskeletal terminology|Osteophyte]] formation at joint margins
**[[Musculoskeletal Terminology - Pathology|Osteophyte]] formation at joint margins
**Remodelling of adjacent bone
**Remodelling of adjacent bone
**Brown/yellow discolouration
**Brown/yellow discolouration
**Collapse of femoral head
**Collapse of femoral head
**Revascularisation of femoral head
**Revascularisation of femoral head
**Formation of new bone and [[Musculoskeletal terminology|osteophyte]] formation around femoral head and acetabular rim prior to old bone reabsorption
**Formation of new bone and [[Musculoskeletal Terminology - Pathology|osteophyte]] formation around femoral head and acetabular rim prior to old bone reabsorption
**-> severe degenerative arthropathy
**-> severe degenerative arthropathy
*Most common site is C3-C4, can occur anywhere
*Most common site is C3-C4, can occur anywhere
*Abnormal laxity between the vertebrae + cervical vertebral malformation may be evident
*Abnormal laxity between the vertebrae + cervical vertebral malformation may be evident
*[[Musculoskeletal terminology|Osteophyte formation]] at edges of synovial components of joint
*[[Musculoskeletal Terminology - Pathology|Osteophyte formation]] at edges of synovial components of joint
*Some due to stenosis of neural canal later in life (1-4 years of age)
*Some due to stenosis of neural canal later in life (1-4 years of age)
*Clinical signs:
*Clinical signs:
*Often in bulls and dogs, occurs also in horses, cats and pigs
*Often in bulls and dogs, occurs also in horses, cats and pigs
*[[Musculoskeletal terminology|Osteophyte]] formation on ventral aspect of vertebrae
*[[Musculoskeletal Terminology - Pathology|Osteophyte]] formation on ventral aspect of vertebrae
**Often around lumbar region
**Often around lumbar region
**Adjacent to intervertebral spaces
**Adjacent to intervertebral spaces
**Repeated abnormal movement between joints -> stress
**Repeated abnormal movement between joints -> stress
** -> Degeneration of [[Joints - normal#Fibrocartilagenous joints|''annulus fibrosis'']]
** -> Degeneration of [[Joints - normal#Fibrocartilagenous joints|''annulus fibrosis'']]
** -> [[Musculoskeletal terminology|Osteophyte]] formation
** -> [[Musculoskeletal Terminology - Pathology|Osteophyte]] formation
*In dogs usually no symptoms
*In dogs usually no symptoms
*In bulls may cause inability to mount
*In bulls may cause inability to mount