Difference between revisions of "Bone Cysts"

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[[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

Revision as of 13:26, 3 March 2011

Bone cysts (Image sourced from Bristol Biomed Image Archive with permission)
  • May be seen radiographically
  • Must be distinguished from neoplasia
  • Expansile lytic masses
  • Do not appear aggressive
  • Subchondral cysts
  • Simple cysts
  • 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