Malignant melanoma in a Dog - A Case report

Abstract

Introduction Veterinary Surgery and Radiology, College of Veterinary Science, Sri Venkateswara Veterinary The oral cavity is the fourth most common site of University, Tirupati with the history of growth over the neoplasia in dogs and malignant melanoma and rd hard palate in between the 3 premolar since 3 months. squamous cell carcinoma are the most common type of Slowly it had grown in size. The growth dark in color, tumors in this site [1]. In dogs, oral malignant firm and hard to touch (Figure-1). The animal showed melanomas most commonly arise from the gingiva, excessive salivation, difficult in prehension and but also can originate from the palatine, labial or mastication was noticed. buccal mucosa [2]. Malignant melanomas are Fine needle aspiration cytology revealed characteristically rapidly growing, locally invasive malignant cells appear as round or fusiform, with tumors that metastasize early in the course of the eccentric nuclei with dark black or brown color, small disease [3]. These tumors are widely recognized as a pigmented cytoplasm (Figure-2). Haematological, tumor of older dogs and are common in male than in biochemical parameters were within the normal female dogs. Melanomas were overrepresented in physiological limits. It was diagnosed as a tumor and smaller breeds such as cocker spaniels and miniature was decided to perform surgery. poodles [4]. A case of surgical management of Treatment malignant melanoma in the hard palate of a dog was The dog was premedicated with Atropine discussed here. Sulphate @ 0.04 mg/kg body weight subcutaneously Case History and Observations and sedated with Xylazine Hydrochloride 1.0 mg/kg A five years old non descriptive breed dog was body weight intra-muscularly. General anaesthesia brought to the college clinics, Department of was using Ketamine Hydrochloride @ 5.0 mg/kg body Vet. World, 2012, Vol.5(7):431-432 CLINICAL