Sister Mary Joseph's Nodule: A sign of internal malignancy

Abstract

The umbilicus can be affected by various skin diseases including metastasis of internal malignancies, at which point it is known as Sister Mary Joseph's Nodule. The authors report a case of Sister Mary Joseph's Nodule as the first sign of internal malignancy and highlight the importance for the dermatologist to recognize the condition. © 2011 by Anais Brasileiros de Dermatologia.