Duodenal pseudomelanosis (pseudomelanosis duodeni): a rare endoscopic finding

• Main Authors: Aloísio Felipe-Silva (Author), Fernando Peixoto Ferraz de Campos (Author), José Guilherme Nogueira da Silva (Author)
• Format: Book
• Published: University of São Paulo, 2011-12-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

Duodenal pseudomelanosis (or pseudomelanosis duodeni) is a rare benign condition characterized by black-brown speckled pigmentation of the duodenal mucosa. Collections of pigment−laden macrophages are found in the tips of duodenal villi. The pigment is thought to be mostly composed of ferrous sulfid...