title: Sonography of umbilical metastasis (Sister Mary Joseph's nodule): from embryology to imaging.
abstract: Umbilical metastases are rare occurences. We describe the sonographic features of two cases with an umbilical nodule secondary to metastatic adenocarcinoma. A review of the literature discusses the embryologic and anatomic bases, differential diagnosis, and imaging approach.
authors.affiliation: Radiology Department, North District Hospital, No. 9 Po Kin Road, Sheung Shui, New Territories, Hong Kong, People's Republic of China.
authors.forename: A S C
authors.initials: AS
authors.lastname: Ching
authors.forename: C W
authors.initials: CW
authors.lastname: Lai
mesh_terms: D000230:Adenocarcinoma / Q000000981:diagnostic imaging* / Q000556:secondary*; D000368:Aged; D000369:Aged, 80 and over; D000465:Algorithms; D002430:Cecal Neoplasms / Q000473:pathology*; D005260:Female; D006801:Humans; D008113:Liver Neoplasms / Q000473:pathology*; D008875:Middle Aged; D014463:Ultrasonography; D014472:Umbilicus