Acute esophageal necrosis (black esophagus) complicating calcific uremic arteriolopathy
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ABSTRACT

The current case report describes a chronic hemodialysis patient presenting with painful penile ulceration that was clinically and histologically proven to be related to calcific uremic arteriolopathy. The patient subsequently developed severe upper gastrointestinal bleeding that was both endoscopically and histologically shown to be due to acute esophageal necrosis (AEN), also known as necrotizing esophagitis and "black esophagus". AEN is a rare condition characterized by diffuse necrosis of the esophageal mucosa. The condition is diagnosed endoscopically with demonstration of circumferential mucosal necrosis involving the distal esophagus that can extend proximally. Mortality rates for both calcific uremic ateriolopathy and acute esophageal necrosis are high. Management of both conditions is reviewed. The patient recovered from the acute illness, but expired 6 months later due to progressive failure to thrive. To our knowledge, AEN has not previously been described secondary to calcific uremic arteriolopathy.
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