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#Granuloma with micro abscess's in centre with greenish / yellow granules in middle of pus. These granules known as "sulphur bodies". Sulphur body is a colony of tangled mass of Actinomyces filaments. This is surrounded by [[Neutrophils|neutrophils]] and [[Macrophages|macrophages]] forming a pyogenic granuloma.
#Granuloma with micro abscess's in centre with greenish / yellow granules in middle of pus. These granules known as "sulphur bodies". Sulphur body is a colony of tangled mass of Actinomyces filaments. This is surrounded by [[Neutrophils|neutrophils]] and [[Macrophages|macrophages]] forming a pyogenic granuloma.
#Masses of fibrous tissue surround the granuloma and fill the spaces where bone has been destroyed.
#Masses of fibrous tissue surround the granuloma and fill the spaces where bone has been destroyed.
*May extend to muscles, especially masseters, from [[Bones Inflammatory - Pathology#Osteomyelitis|osteomyelitis]]
*Histologically:
**Caseous or suppurative centres of lesions
**Epithelioid and giant cells at periphery
**'Sulfa granules' at centre - gram-positive branching rods
[[Category:Teeth_-_Inflammatory_Pathology]]
[[Category:Teeth_-_Inflammatory_Pathology]]
[[Category:Cattle]]
[[Category:Cattle]]
[[Category:To_Do_-_Clinical]]
[[Category:To_Do_-_Clinical]]