Identification of mast celis in buffy coat preparations from dogs with inflammatory skin diseases

Suzanne M. Cayatte From the Departments of Clinical Sciences (Cayatte, Miller, Scott) and Clinical Pathology (McManus), College of Veterinary Medicine, Cornell University, Ithaca, NY 14853.

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Patricia M. McManus From the Departments of Clinical Sciences (Cayatte, Miller, Scott) and Clinical Pathology (McManus), College of Veterinary Medicine, Cornell University, Ithaca, NY 14853.

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William H. Miller Jr. From the Departments of Clinical Sciences (Cayatte, Miller, Scott) and Clinical Pathology (McManus), College of Veterinary Medicine, Cornell University, Ithaca, NY 14853.

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Danny W. Scott From the Departments of Clinical Sciences (Cayatte, Miller, Scott) and Clinical Pathology (McManus), College of Veterinary Medicine, Cornell University, Ithaca, NY 14853.

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Summary

In 100 dogs with 4 inflammatory dermatologic diseases, buffy coat preparations from edta-treated blood samples were examined cytologically. Fifty-four dogs had atopy, 26 had flea-bite hypersensitivity, 17 had sarcoptic mange, and 3 had food allergy. Twenty-eight dogs had 2 or more concurrent skin diseases; most of these had secondary pyoderma. Dogs did not have mast cell tumors. Thirteen samples contained 1 or more mast cells/4 slides reviewed. This study revealed that dogs with inflammatory skin diseases can have a few to many mast cells evident on cytologic examination of buffy coat preparations.

Summary

In 100 dogs with 4 inflammatory dermatologic diseases, buffy coat preparations from edta-treated blood samples were examined cytologically. Fifty-four dogs had atopy, 26 had flea-bite hypersensitivity, 17 had sarcoptic mange, and 3 had food allergy. Twenty-eight dogs had 2 or more concurrent skin diseases; most of these had secondary pyoderma. Dogs did not have mast cell tumors. Thirteen samples contained 1 or more mast cells/4 slides reviewed. This study revealed that dogs with inflammatory skin diseases can have a few to many mast cells evident on cytologic examination of buffy coat preparations.

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