Granulomatous Inflammatory Response to a Microchip Implanted in a Dog for Eight Years.
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An 8 yr old neutered male springer spaniel dog was referred to Texas A&M University, College of Veterinary Medicine for a large, firm, fixed mass, located in the dorsal cervical tissue. The dog was otherwise healthy and had undergone microchip implantation approximately 8 yr prior. Radiographs, ultrasound, and microchip scanner confirmed the presence of a microchip within the mass. The microchip and associated mass were surgically excised, and histopathologic examination revealed granulomatous inflammation surrounding a cracked microchip. This case represents the first report of a granulomatous inflammatory response to a microchip 8 yr after implantation in a dog and highlights an important differential diagnosis.
author list (cited authors)
Legallet, C., Mankin, K. T., Spaulding, K., & Mansell, J.
complete list of authors
Legallet, Claire||Mankin, Kelley Thieman||Spaulding, Kathy||Mansell, Joanne