title: Cutaneous progressive angiomatosis on the muzzle of a dog, treated by laser photocoagulation therapy.
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.
authors.affiliation: L'Ospedale degli Animali, Via Annibale Zucchini, 8144100 Ferrara, Italy.
authors.forename: Lara
authors.initials: L
authors.lastname: Olivieri
authors.forename: Giordano
authors.initials: G
authors.lastname: Nardini
authors.forename: Graziano
authors.initials: G
authors.lastname: Pengo
authors.forename: Francesca
authors.initials: F
authors.lastname: Abramo
mesh_terms: D000798:Angiomatosis / Q000473:pathology / Q000601:surgery / Q000662:veterinary*; D000818:Animals; D004283:Dog Diseases / Q000473:pathology / Q000628:therapy*; D004285:Dogs; D005260:Female; D017075:Laser Coagulation / Q000662:veterinary*; D009668:Nose Diseases / Q000473:pathology / Q000601:surgery / Q000662:veterinary*; D012871:Skin Diseases / Q000473:pathology / Q000601:surgery / Q000662:veterinary*