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  • Title: Cutaneous progressive angiomatosis on the muzzle of a dog, treated by laser photocoagulation therapy.
    Author: Olivieri L, Nardini G, Pengo G, Abramo F.
    Journal: Vet Dermatol; 2010 Oct; 21(5):517-21. PubMed ID: 20456721.
    Abstract:
    A 10-year old, female, cocker spaniel was presented with a bleeding lesion on the muzzle and nasal planum observed initially as a small raised nodule at 1 year of age. This became clinically more pronounced at 5 years of age, progressively enlarged thereafter and was diagnosed initially as a vascular tumour. On clinical examination, multiple confluent nodules of variable diameter (0.5-1.5 cm) deformed the outline of the nose. Histological examination revealed a progressive angiomatosis with multifocal infiltrative growth of increased dermal vascularization with different sized and type of anastomosing vessels lined by a monolayer of reactive endothelium, often arranged as papillary projections into the lumina. Partial nosectomy, the first therapeutic approach, was unsuccessful and the lesion relapsed within 6 months. However, subsequent laser photocoagulation therapy provided a good cosmetic outcome, no relapse 1 year later, and appeared to provide an effective alternative to ablation surgery.
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