Background: Cutaneous metastasis of the umbilicus is generally associated with intra-abdominal adenocarcinoma, rarely with a malignant hemopathy.
Case Report: We report a case of lymphoma presenting as Sister Mary-Joseph's nodule, in a 79-year-old man. Histology evidenced small-cell lymphoma.
Discussion: Umbilical metastasis is uncommon, most of these lesions arising from gastric adenocarcinoma. Only two cases of lymphoma, associated with an umbilical metastasis have been reported. This case opens the discussion on the fact that the umbilicus is generally not a site of metastatic spread of lymphomas.
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