Page 130 - Differential Diagnosis in Small Animal Cytology, The Skin and Subcutis
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Epithelial Tumours
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Fig. 8.32. Dog. Anal sac adenocarcinoma. Predominance of cuboidal epithelial cells with a high N:C ratio
and poorly defined cell margins. Note the presence of large apocrine epithelial cells with a more abundant amount
of cytoplasm. Occasionally, these cells may resemble perianal gland epithelial cells, though they do not have the
typical fine grainy texture of the cytoplasm. Wright-Giemsa.
Fig. 8.33. Dog. Anal sac adenocarcinoma and impacted anal sac. Note the neoplastic apocrine epithelial cells
admixed with numerous anucleated squamous epithelial cells. Wright-Giemsa.
