Contemplating the navel: Omphalomesenteric duct remnant disorders

The umbilicus is the site of multiple of disorders of concern to dermatologists, including congenital and acquired malformations, genodermatoses (leukocyte adhesion deficiency), primary dermatoses, immunobullous disorders, infectious diseases, tumors (benign, malignant, or metastatic), omphaliths, or retained foreign bodies. 1 Kieliszak C.R. Pollinger T.H. Tollefson M.M. Griffin J.R. Umbilical and periumbilical dermatoses. J Am Acad Dermatol....