Changes

[[Image:Bone cysts dog.jpg|right|thumb|100px|<small><center>Bone cysts (Image sourced from Bristol Biomed Image Archive with permission)</center></small>]]

[[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

*May be seen radiographically

*Must be distinguished from [[Bones Hyperplastic and Neoplastic - Pathology#Neoplastic|neoplasia]]

*Must be distinguished from [[:Category:Bones - Neoplastic Pathology|neoplasia]]

*Expansile lytic masses

*Expansile lytic masses

*Do not appear aggressive

*Do not appear aggressive

*'''Subchondral cysts'''

*'''Subchondral cysts'''

**Common in horses and pigs

**Common in horses and pigs

**Usually manifestations of [[Joints Developmental - Pathology#Osteochondrosis|osteochondrosis]] and [[Joints Degenerative - Pathology#Degenerative joint disease (DJD)|DJD]]

**Usually manifestations of [[Joints Developmental - Pathology#Osteochondrosis|osteochondrosis]] and [[Degenerative Joint Disease|DJD]]

*'''Simple cysts'''

*'''Simple cysts'''

**May contain clear colourless fluid, or serosanguinous

**May contain clear colourless fluid, or serosanguinous