/b/veterinary-nursing-news/posts/study-reveals-most-common-skin-masses-in-young-dogs A study published in the latest issue of the Journal of Small Animal Practice (JSAP) has found that the most common skin masses in dogs aged between 0 and 12 months are histiocytoma, papilloma, dermoid cyst, follicular cyst and mast cell tumours (MCTsen-USTelligent Community 10