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Color Stability of Extrinsically Colored Monolithic Zirconia: A Narrative Review. [PDF]
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Visual Neuroscience, 2006 The discoloration illusion, a new visual phenomenon, is described. This phenomenon originates from the juxtaposition of eight chromatic parallel contours on a white background, creating a luminance gradient and enclosing a light red region. Under these conditions, the inner region appears white: the light red discolors and appears white with both ...
Pinna, Baingio
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Discoloration of the Esophagus
Gastroenterology, 2013Question: A 74-year-old white woman with a past medical history of dyslipidemia, irritable bowel syndrome, and gastroesophageal reflux disease presented with abdominal bloating and persistent cough. She had no history of heartburn, dysphagia, or odynophagia. An upper endoscopy was performed.
Nathan, Richards, Apollo Kenneth, Musana
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Journal of the American Academy of Dermatology, 2013
From M Fund Conf Corre D A 56-year-old woman presented with a 2-day history of mildly pruritic scaly macules and confluent patches on the upper aspect of her back. The lesions were bluish-green or blue in color except those under the area of her bra, which were exclusively brown (Fig 1).
Yu-Ting, Lin, Ying-Yi, Chiang
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From M Fund Conf Corre D A 56-year-old woman presented with a 2-day history of mildly pruritic scaly macules and confluent patches on the upper aspect of her back. The lesions were bluish-green or blue in color except those under the area of her bra, which were exclusively brown (Fig 1).
Yu-Ting, Lin, Ying-Yi, Chiang
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JAMA, 2023
An 80-year-old man developed asymptomatic black discoloration of the dorsal surface of his tongue 1 week after hospitalization for surgical and antibiotic treatment of septic arthritis of the shoulder. He reported no prior lingual discoloration and did not smoke cigarettes, use chewing tobacco or illicit drugs, or drink alcohol.
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An 80-year-old man developed asymptomatic black discoloration of the dorsal surface of his tongue 1 week after hospitalization for surgical and antibiotic treatment of septic arthritis of the shoulder. He reported no prior lingual discoloration and did not smoke cigarettes, use chewing tobacco or illicit drugs, or drink alcohol.
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Yellowish discoloration of dialyzer
Hemodialysis International, 2011AbstractA 43‐year‐old Chinese man with chronic viral hepatitis and end‐stage renal disease, receiving conventional hemodialysis for 6 years, presented with general malaise and abdominal fullness. After 4.5 hours of hemodialysis, the hollow fibers of the dialyzer turned yellow. Biochemistry studies showed hyperbilirubinemia.
Yeong-Woei, Chiew +2 more
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Dental Discoloration: An Overview
Journal of Esthetic and Restorative Dentistry, 1999Abstract: Often the first evidence of variation from normal in human dentition is an observable difference in the color of the teeth. During the past decade, the demand for conservative esthetic dentistry has grown dramatically. Tooth discoloration is a frequent dental finding, associated with clinical and esthetic problems.
F N, Hattab +2 more
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Characterizing surface discoloration
Practical Failure Analysis, 2003A stamped coin exhibited visible discolored areas, seen as a tan haze on the surface (Fig. 1). In this case, the discoloration was considered merely cosmetic. The nonstained and stained regions were studied using a scanning electron microscope equipped with an energy-dispersive X-ray spectrometer (SEM/EDS).
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2016
Changes in color may indicate speed of burial, or exposure to environmental factors such as humic acids, oxygenated environment, burning or water.
Yolanda Fernández-Jalvo, Peter Andrews
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Changes in color may indicate speed of burial, or exposure to environmental factors such as humic acids, oxygenated environment, burning or water.
Yolanda Fernández-Jalvo, Peter Andrews
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