Pseudomelanosis duodeni associated with chronic renal failure
نویسندگان
چکیده
منابع مشابه
Pseudomelanosis Duodeni
A 55-year-old male with history of coronary artery disease, chronic kidney disease stage 4, diabetes mellitus, uncontrolled hypertension (on multiple antihypertensive medications), and iron deficiency anemia was referred for esophagogastroduodenoscopy (EGD) for evaluation of intractable nausea and vomiting. EGD showed black speckled pigmentation of the duodenal mucosa (Figure 1). Duodenal biops...
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Pseudomelanosis duodeni is a rare, benign condition of unknown etiology. It is characterized by collection of pigment-laden macrophages in the tips of duodenal villi. The pigment, originally interpreted as melanin, pseudomelanin, lipomelanin or hemosiderin, has now been demonstrated to be mostly ferrous sulfide. There is a strong association with chronic renal failure, arterial hypertension, di...
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Pseudomelanosis duodeni is characterized by the presence of brownish or blackish pigmentation in the duodenal mucosa identified during endoscopy. Although the pathogenesis is uncertain, it was generally believed that it is sequelae of luminal absorption of iron and sulfide chemicals, which is subsequently deposited in the lamina propria. It is often associated with hemodialysis and oral intake ...
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ژورنال
عنوان ژورنال: World Journal of Gastroenterology
سال: 2012
ISSN: 1007-9327
DOI: 10.3748/wjg.v18.i12.1414