Main finding says it could be canine leproid granuloma, usually found in boxer mixes in Australia, New Zealand, and Africa. Leave it to dork. Only that dog could get the New Zealand Dog Disease in America. Nothing to worry about, though, all gone.
Amended notes from earlier report show :
No fungal pathogens are revealed by the GMS stain. The Fite's stain reveals a low number of small acid fast bacilli within cytoplasm of a few microphages.
Microscopic findings : Nodular Lymphocytic Mildly Pyogranulomatous Dermatitis with Central Necrosis And Sparse Intrahistiocytic Acid Fast Bacilli
Amended comments from Pathologist : "Location of this lesion on the head warrants consideration of Canine Leproid Granuloma, a distinct syndrome in North American dogs in which the skin on the pinnae, lateral muzzle, and occasionally forelegs develops discrete intradermal, sometimes ulcerating granulomas. They typically contain acid-fast bacteria, but mycobacterial culture is negative. In previous reports of a similar syndrome in dogs in Africa, Australia and New Zealand, primarily Boxer and Boxer cross dogs and other short-coated breeds such as Staffordshire Terrier and Doberman Pinschers were affected. In the report on North American cases, German Shepherds were overrepresented. In most cases, lesions regress within a few weeks to months,with or without surgery and without anti-mycobacterial treatment. The causative agent is probably an environmental saprophyte introduced by percutaneous inoculation. Differentials include dermal lesions caused by tuberculous and other nontuberculous mycobacteria; these organisms are identified through culture and the lesions do not resolve spontaneously.
Seems like she will be fine, though she neglected to tell us that she was a German Shepherd or had visited Africa, New Zealand and Australia. I mean some souvenirs would have been nice right?
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