The Tip of the Iceberg Alfie is an 8 and a half year old male neutered Airdale Terrier. He had a 6 month history of right sided conjunctivitus and epiphora. In the last week or two, a small swelling formed over the medial canthus that was mildly painful on palpation. An MRI was requested to include the sinuses, orbit, nasal cavity and brain. Findings There is a large amount of…