Abstract
Two cases of umbilical polyp are reported. Case 1 was of a 2-year and 6-months-old boy who had an moist umbilical swelling since removal of the umbilical cord, and the skin surrounding the umbilicus was eroded. Case 2 was of a 2-year-old girl who had an umbilical polyp-like mass. In both cases, laparotomies were performed, and the tissue underneath the umbilicus was resected. There was no abnormal intra-abdominal structure connecting with the umbilicus. Histological examination of the resected tissue in Case 1 showed ectopic pancreatic tissue and gastric tissue, while Case 2 had large intestinal mucosal tissue. In cases of umbilical granuloma under long-term medical treatment, umbilical polyp must be suspected, and surgery may be required.
