title: Focal mastocytosis in lymph nodes from a Beagle dog.
abstract: An 11-year-old Beagle dog had focal mastocytosis in the midtracheobronchial and left tracheobronchial lymph nodes. The cells were well-differentiated and were arranged in well-defined follicles. There were neither skin tumors nor mast-cell accumulations in other tissues.
mesh_terms: D000818:Animals; D004283:Dog Diseases / Q000473:pathology*; D004285:Dogs; D005260:Female; D008198:Lymph Nodes / Q000473:pathology*; D012515:Mast-Cell Sarcoma / Q000473:pathology / Q000662:veterinary*