|
|
| (3 intermediate revisions by the same user not shown) |
| Line 1: |
Line 1: |
| − | <br>
| + | #REDIRECT[[:Category:Bones - Degenerative Pathology]] |
| − | <big>
| |
| − | [[:Category:Bones - Metabolic Pathology|'''Bones and Cartilage - Metabolic diseases''']]
| |
| − | | |
| − | [[Bones Fractures - Pathology|'''Bones and Cartilage - Fractures''']]
| |
| − | </big>
| |
| − | | |
| − | ===[[Osteoporosis]] (Atrophy)===
| |
| − | | |
| − | ===[[Osteosis]]===
| |
| − | | |
| − | | |
| − | ===Bone cysts===
| |
| − | [[Image:Bone cysts dog.jpg|right|thumb|100px|<small><center>Bone cysts (Image sourced from Bristol Biomed Image Archive with permission)</center></small>]]
| |
| − | *May be seen radiographically
| |
| − | *Must be distinguished from [[Bones Hyperplastic and Neoplastic - Pathology#Neoplastic|neoplasia]]
| |
| − | *Expansile lytic masses
| |
| − | *Do not appear aggressive
| |
| − | *'''Subchondral cysts'''
| |
| − | **Common in horses and pigs
| |
| − | **Usually manifestations of [[Joints Developmental - Pathology#Osteochondrosis|osteochondrosis]] and [[Joints Degenerative - Pathology#Degenerative joint disease (DJD)|DJD]]
| |
| − | *'''Simple cysts'''
| |
| − | **May contain clear colourless fluid, or serosanguinous
| |
| − | **Wall of dense fibrous tissue, [[Bones - Anatomy & Physiology|woven or lamellar bone]]
| |
| − | *'''Aneurysmal bone cysts'''
| |
| − | **Expansie lesions
| |
| − | **Arise from disturbance of vascular tissue of bone marrow
| |
| − | **Grossly:
| |
| − | ***Appear as blood filled sponge
| |
| − | ***Spaces separated by fibrous trabeculae
| |
| − | **Histologically:
| |
| − | ***Proliferation of undifferentiated mesenchymal cell with multinucleated osteoclast-like cells
| |
| − | ***Haemorrhage and haemosiderosis
| |
| − | *Radiography is essential to help differentiate with cavity of a neoplasm
| |
| − | | |
| − | [[Category:Bones - Degenerative Pathology]]
| |
| − | ===Calcium hydroxylapatite deposition disease===
| |
| − | | |
| − | *Gt Dane puppies with paraplegia
| |
| − | *Calcium phosphate depositon has been reported in multiple diarthrodial joints of the axial and appendicular skeleton
| |
| − | *[[More on Calcium hydroxylapatite deposition disease|More about Calcium hydroxylapatite deposition disease]]
| |
| − | | |
| − | [[Category:Bones - Degenerative Pathology]]
| |
| − | ===Physeal dysplasia with slipped capital femoral epiphysis===
| |
| − | | |
| − | *Slipped capital femoral epiphysis seen in dogs, foals and calves
| |
| − | *Associated with severe trauma
| |
| − | *Pigs – manifestation of [[Joints Developmental - Pathology#Osteochondrosis|osteochondrosis]] with only minimal trauma required
| |
| − | *Most common type of physeal fracture in small animals and the proximal femur is the most common site
| |
| − | *In horses, physeal dysplasia is synonymus with [[Physitis|physitis]]
| |
| − | *[[More about Physeal dysplasia]]
| |
| − | | |
| − | [[Category:Bones - Degenerative Pathology]]
| |