Sulfhemoglobinemia and methemoglobinemia--uncommon causes of cyanosis.
D000770:Anesthesia, Endotracheal; D003490:Cyanosis / Q000209:etiology*; D004938:Esophageal Neoplasms / Q000150:complications / Q000601:surgery; D004943:Esophagogastric Junction / Q000601:surgery; D006801:Humans; D008297:Male; D008708:Methemoglobinemia / Q000150:complications*; D008875:Middle Aged; D010615:Phenacetin / Q000009:adverse effects; D013436:Sulfhemoglobinemia / Q000139:chemically induced / Q000150:complications*
D010615:Phenacetin