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. 2019 Aug 5;4(10):467-468.
doi: 10.1016/j.vgie.2019.06.006. eCollection 2019 Oct.

Gastric and duodenal pseudomelanosis: a new insight into its pathogenesis

Shou-Jiang Tang  1 , Shengyu Zhang  1   2   3 , Dianne E Grunes  1   2   3
Affiliations

Gastric and duodenal pseudomelanosis: a new insight into its pathogenesis

Shou-Jiang Tang et al. VideoGIE. .
No abstract available

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Figures

Figure 1
Figure 1
Endoscopic image showing diffuse pseudomelanosis at the dependent portion of the stomach (posterior wall and greater curvature).
Figure 2
Figure 2
Endoscopic image showing diffuse pseudomelanosis in the duodenum.
Figure 3
Figure 3
Endoscopic image showing the relatively normal jejunum.
Figure 4
Figure 4
Histopathologic image demonstrating refractile pigment in the gastric lamina propria (H&E, orig. mag. ×10).
Figure 5
Figure 5
Histopathologic image demonstrating iron pigment in the gastric lamina propria (iron staining, orig. mag. ×10).
See this image and copyright information in PMC

References

    1. Tang S.J., Wu R., Bhaijee F. Gastrointestinal sarcoidosis and gastric melanosis (video) Video J and Encyclopedia of GI Endosc. 2014;2:95–98.
    1. Tang SJ, Bhaijee F. Pseudomelanosis duodeni. Video J and Encyclopedia of GI Endosc 2013;1:272-273.
    1. Yamase H., Norris M., Gillies C. Pseudomelanosis duodeni: a clinicopathologic entity. Gastrointest Endosc. 1985;31:83–86. - PubMed
    1. West B. Pseudomelanosis duodeni. J Clin Gastroenterol. 1988;10:127–129. - PubMed
    1. Rex D.K., Jersild R.A., Jr. Further characterization of the pigment in pseudomelanosis duodeni in three patients. Gastroenterology. 1988;95:177–182. - PubMed

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