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Difference between revisions of "Small bowel pseudomelanosis"
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Small bowel pseudomelanosis (view source)
Revision as of 17:39, 22 April 2016
, 17:39, 22 April 2016→Sign out
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The macrophages are positive with an iron stain. | The macrophages are positive with an iron stain. | ||
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===Duodenum=== | |||
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Duodenum, Biopsy: | |||
- Small bowel mucosa with pseudomelanosis, otherwise within | |||
normal limits, see comment. | |||
Comment: | |||
Pseudomelanosis of the duodenum (pseudomelanosis duodeni) may be seen in the context of iron supplementation, hypertension or chronic renal failure. Endoscopically, it may manifest as dark spots. | |||
The pigmented cells are POSITIVE with an iron stain, NEGATIVE with a PAS stain and NEGATIVE with a Fontana-Masson stain; these findings are in keeping pseudomelanosis duodeni. | |||
</pre> | </pre> | ||