Changes

   

   

*'''Caused by''':

*'''Caused by''':

**Bacteria most commonly (e.g. [[Oral Cavity - Teeth#Mandibular Osteomyelitis|lumpy jaw]] in cattle due to [[Actinomycetes|''Actinomyces bovis'']])

**Bacteria most commonly (e.g. [[Teeth - Pathology#Mandibular Osteomyelitis|lumpy jaw]] in cattle due to [[Actinomycetes|''Actinomyces bovis'']])

**Viruses, fungi and protozoa less commonly

**Viruses, fungi and protozoa less commonly

===Osteitis===

===Osteitis===

*E.g.: [[Fusobacterium|''Fusobacterium necrophorum'']] in the foot, [[Respiratory Bacterial Infections - Pathology#Necrotic laryngitis|calf diphteria]], bite wounds, extension from paranasal sinuses, compound fractures, extensions from infections in the joints, [[Oral Cavity - Teeth#Alveolar Periostitis|periodontal disease]], [[Respiratory Bacterial Infections - Pathology#Atrophic Rhinitis|Atrophic rhinitis]]

*E.g.: [[Fusobacterium|''Fusobacterium necrophorum'']] in the foot, [[Respiratory Bacterial Infections - Pathology#Necrotic laryngitis|calf diphteria]], bite wounds, extension from paranasal sinuses, compound fractures, extensions from infections in the joints, [[Teeth - Pathology#Alveolar Periostitis|periodontal disease]], [[Respiratory Bacterial Infections - Pathology#Atrophic Rhinitis|Atrophic rhinitis]]

===Osteomyelitis===

===Osteomyelitis===

***Obligatory parasite of mucous membranes of [[Oral Cavity - Oropharynx - Anatomy & Physiology|oropharynx]]

***Obligatory parasite of mucous membranes of [[Oral Cavity - Oropharynx - Anatomy & Physiology|oropharynx]]

***Surface tissue is usually injured for infection to occur

***Surface tissue is usually injured for infection to occur

***[[Oral Cavity - Teeth#Mandibular Osteomyelitis|Osteomyelitis of mandible]] -> destruction of bone -> replacement by fibrous tissue with pyogranulomatous nodules cotaining 'club colonies' of bacteria

***[[Teeth - Pathology#Mandibular Osteomyelitis|Osteomyelitis of mandible]] -> destruction of bone -> replacement by fibrous tissue with pyogranulomatous nodules cotaining 'club colonies' of bacteria

***Suppurative osteomyelitis

***Suppurative osteomyelitis

***Fistulous tracts may discharge onto skin and into [[Oral Cavity Overview - Anatomy & Physiology|oral cavity]]

***Fistulous tracts may discharge onto skin and into [[Oral Cavity Overview - Anatomy & Physiology|oral cavity]]