Histomorphological Studies on Hair Follicular Tumors in Dogs

September 2025 in “ Journal of Veterinary and Animal Sciences ”

Hamza Palekkodan, M. Pradeep, Pooja Kailas, Ajith Jacob George, B. Dhanush Krishna, P.T. Dinesh, R. Rajasekhar, Vikas Roshan

hair follicular tumours trichoblastomas pilomatricomas trichofolliculoma

TLDR Nine hair follicle tumors were found in dogs.

The study investigated hair follicular tumours (HFTs) in dogs, analyzing 100 tumour-suspected cutaneous masses collected in Kerala, India. Histological screening identified 9 cases of HFTs, comprising 6 trichoblastomas, 2 pilomatricomas, and 1 trichofolliculoma. The research detailed the occurrence, breed, sex, anatomical location, and clinical characteristics of these tumours, providing insights into their gross and microscopic pathology.

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