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Veterinarian Technician April 2006 (Vol 27, No 4) Focus: Dermatology

Sharpen Your Clin Path Skills: "Hive-like Lesions on a Border Collie"

by Margi Sirois, EdD, MS, RVT, Elaine Anthony, MA, CVT

    Mr. Allen brings his 8-year-old intact female border collie, Paige, to your clinic for evaluation. He reports that Paige has an itchy rash on her side. The initial evaluation reveals a swollen, raised area surrounded by smaller hive-like lesions along the lateral thoracic area. The physical examination reveals no additional clinical signs.

    Blood is obtained for a complete blood cell count and chemistry panel, and fine-needle aspiration is conducted on the primary lesion. The fine-needle aspirate sample is prepared using a compression smear technique. No significant abnormalities are noted on the blood test results, but evaluation of the fine-needle aspirate smear reveals the presence of large round cells with deep purple granules in addition to numerous eosinophils. Dr. Darrell requests thoracic and abdominal radiographs and additional fine-needle aspiration of local lymph nodes. No additional abnormalities are identified on these tests. Dr. Darrell diagnoses a cutaneous mast cell tumor, and surgery is scheduled to remove the mass.

    Which of the images at left is most indicative of this case? Click here for the answer .

    What unique features are present in the other images? Click here for answer .

    NEXT: Tech Life (April 2006)


    Did you know... The resolution of an image is limited by the resolution of the output device used, such as the computer screen or monitor used to display the image. Read More

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