Yan Bo
ORCID: 0000-0001-7022-6556
· 1 paper in corpus
case-report
2026
Background Umbilical endometriosis is an uncommon form of extrapelvic endometriosis and may be misdiagnosed as other umbilical or urachal disorders. Cyclic umbilical bleeding or discharge is an important clinical clue, but the diagnosis is …