A 12-year-old entire male Maltese terrier was presented with a 1 month hist
ory of vomiting and haematemesis. Microcytic hypochromic anaemia was detect
ed. Abdominal radiography, ultrasonography and gastric endoscopy identified
a discrete intramural mass in the pyloric antrum. An ulcerated leiomyoma w
as removed by a partial-thickness intraluminal resection of the gastric wal
l. The dog recovered well and is free from clinical signs 20 months after s
urgery.