Survey of canine and feline follicular tumours and tumour‐ like lesions in central Italy
1999
Abramo, F. | Pratesi, F. | Cantile, C. | Sozzi, S. | Poli, A.
Between January 1985 and June 1997, a total of 4005 skin biopsies were received from dogs and 898 from cats. Follicular tumours and tumour‐like lesions together represented 10‐4 per cent and 8‐1 per cent of all skin tumours in the dog and cat, respectively. The prevalence of tumour‐like lesions, such as follicular and dermoid cysts, dilated pore and focal adnexal dysplasia, was highest, representing 41‐2 per cent and 68 per cent of all follicular lesions in dogs and cats, respectively. In the dog, follicular tumours were distributed as follows: trichoblastoma (25‐6 per cent of all tumours and tumour‐like lesions), infundibular keratinising acanthoma (14 per cent), pilomatricoma (13 per cent), trichoepithelioma (3–9 per cent) and tricholemmoma (2–3 per cent). In the cat, the distribution was 26 per cent for trichoblastoma, 4 per cent for trichoepithelioma and 2 per cent for pilomatricoma. Tumour‐like lesions and infundibular keratinising acanthoma in the dog were mostly located on the trunk, trichoblastoma and tricholemmoma on the head, and pilomatricoma on the neck. In the cat, both tumour‐like lesions and trichoblastoma were frequently present on the neck and head.
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