Page 108 - Differential Diagnosis in Small Animal Cytology, The Skin and Subcutis
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Epithelial Tumours
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VetBooks.ir Pearls and Pitfalls
Ghost cells should not be found in aspirates from infundibular keratinizing acanthoma, as this
tumour originates from the infundibulum and isthmus of the hair follicle only.
Fig. 8.14. Dog. IKA. Histopathological section (H&E) and cytological findings (Wright-Giemsa) from different areas
of the tumour: the majority of the tumour area is occupied by a large cyst containing: *lamellar anucleated squa-
mous epithelial cells in the superior segment (infundibulum) and *amorphous keratin in the lower part of the cyst
(isthmus). *The tumour cells are confined to the outer part of the tumour. (H&E section courtesy of Stefano Di
Palma, Animal Health Trust, UK.)
