نتایج جستجو برای: pseudomelanosis
تعداد نتایج: 54 فیلتر نتایج به سال:
Lipofuscin was produced when HT29, a colon carcinoma cell line, was cultured in millimolar concentrations of xanthine and guanine but not in the presence of other bases. Using a simple assay developed to quantify the fluorescent pigment, it was found that maximum levels of lipofuscin were developed in 3 days. Methylxanthines that are not substrates of xanthine dehydrogenase, such as caffeine an...
A 71-year-old woman with end-stage renal disease on hemodialysis, hypertension, diabetes, coronary artery disease, and ischemic cardiomyopathy, on hydralazine 300 mg daily for 2 years, presented with a new onset of vesiculobullous rash, dysphagia, odynophagia, throat pain/tightness, and hoarseness. Physical exam showed multiple vesicles in her upper and lower extremities with significant airway...
Melanosis refers to abnormal or excessive deposition of melanin pigment in the cells and/or tissue, which can be seen in any organ but commonly in skin and oral mucosa. Melanosis of the urinary bladder is an extremely rare benign condition and only a handful of cases been reported in the English literature before. In this article, we report a new case of urinary melanosis, describe the differen...
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