Introduction

History:

8 month old Simmental steer with a large granulomatous lesion on the mandible, which had greatly increased in size over 4 weeks. On examination, the mandibular molars had been displaced by the mass and the animal was losing condition.

Mandible severely thickened with granulomatous inflammation (arrowheads)

Mandibular Mass (x 40). Bacterial colonies (arrowheads) surrounded by pyogranulomatous inflammation and fibrosis

Slide Ref: 985-89 *

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