Infundibular keratinizing acanthoma (IKA) is a benign neoplasm showing differentiation to the squamous epithelium of the follicular isthmus and infundibulum. The neoplasm is common in dogs, with a peak incidence between 4 and 10 years of age, but previous investigation found that 13% of cases are reported in dogs less than 4-year-old. IKA occurs commonly on the back (15%), neck (11%), tail (10%), and limbs (31%). Multiple neoplasms (10%) on the same dog may present. Infundibular keratinizing acanthoma (IKA) does not recur after complete surgical removal. The neoplasm has been completely excised and recurrence is not expected, but the epithelial lining the neoplasm has ruptured and pyogranulomatous inflammation does extend to one of the lateral margins, raising the concern on remnant keratin materials in the surgical site. Therefore, continued monitoring for would healing is recommended.
Infundibular keratinizing acanthoma (IKA) is a benign neoplasm showing differentiation to the squamous epithelium of the follicular isthmus and infundibulum. The neoplasm is common in dogs, with a peak incidence between 4 and 10 years of age, but previous investigation found that 13% of cases are reported in dogs less than 4-year-old. IKA occurs commonly on the back (15%), neck (11%), tail (10%), and limbs (31%). Multiple neoplasms (10%) on the same dog may present. Infundibular keratinizing acanthoma (IKA) does not recur after complete surgical removal. The neoplasm has been completely excised and recurrence is not expected, but the epithelial lining the neoplasm has ruptured and pyogranulomatous inflammation does extend to one of the lateral margins, raising the concern on remnant keratin materials in the surgical site. Therefore, continued monitoring for would healing is recommended.
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