Difference between revisions of "Small bowel pseudomelanosis"
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==Stains== | ==Stains== | ||
*Prussian blue +ve ~80% of cases.<ref name=pmid18253910/> | *Prussian blue +ve ~80% of cases.<ref name=pmid18253910/> | ||
==Sign out== | |||
===Small bowel=== | |||
<pre> | |||
A. Stomach, Partial Excision as Part of a Sleeve Gastrectomy: | |||
- Stomach wall within normal limits. | |||
B. Small Bowel Wall, Partial Excision as Part of a Sleeve Gastrectomy: | |||
- Small bowel wall with iron containing macrophages in the mucosa, | |||
known as "pseudomelanosis", see comment. | |||
- NEGATIVE for active inflammation. | |||
- NEGATIVE for dysplasia and NEGATIVE for malignancy. | |||
Comment: | |||
Pseudomelanosis may be seen in the context of iron supplementation, hypertension | |||
and chronic renal failure. | |||
The macrophages are positive with an iron stain. | |||
</pre> | |||
==See also== | ==See also== | ||