JVD 2009 2 Actinomycosis in a Pet Rabbit Hwa Hong Flashcards
What sort of bacteria is Actinomyces and where is it normally found?
Actinomyces is a gram-positive anaerobic bacillus, normally found in the oral cavity and digestive tract of human beings and domestic animals
What areas are normally infected by Actinomyces.
Actinomycosis commonly infects the cervicofacial region, pleura, lungs, pericardium, retroperitoneal space, limbs, and subcutaneous tissues
What is the pathological hallmark of Actinomyces on histopathology and what other diseases rarely exhibit the same phenomenom?
The presence of sulphur granules.
Nocardiosis, chromomycosis, eumycetoma, and botryomycosis also rarely have sulphur granules present in the tissue.
What animal is seen ion this radiograph?
Describe the abnormality seen here?
A rabbit
Radiographic signs consistent with osteomyelitis and bone lysis are observed in
the mandibular bone. There is marked soft tissue swelling ventral to the mandibles (dot line).
What other dental diseases have been recognised in rabbits for many years?
tooth elongation, malocclusions, root disease, oral trauma, periodontal disease, and abscess formation.
What tissues are commonly invaded by actinomyces?
Cervicofacial region, pleura, lungs, pericardium, retroperitoneal space, limbs, and subcutaneous tissues