case_images: PMC5357529_01
case_images: Endoscopic image of proximal esophagus showing circumferentially black mucosa.
case_images: CRIGM2017-4815752.001.jpg
case_images: PMC5357529_01_CRIGM2017-4815752.001.jpg
case_images: fig1
case_images: The gastroenterology (GI) service was consulted and emergent esophagogastroduodenoscopy (EGD) was done which demonstrated black, circumferential necrosis of the mucosa of the cervical esophagus without bleeding (Figures 1 and 2).
case_images: Endoscopic image of proximal esophagus showing circumferentially black mucosa.
case_images: CRIGM2017-4815752.002.jpg
case_images: PMC5357529_01_CRIGM2017-4815752.002.jpg
case_images: fig2
case_images: The gastroenterology (GI) service was consulted and emergent esophagogastroduodenoscopy (EGD) was done which demonstrated black, circumferential necrosis of the mucosa of the cervical esophagus without bleeding (Figures 1 and 2).
case_images: Follow-up endoscopic image (3 days after) of proximal esophagus showing clearing of black color.
case_images: CRIGM2017-4815752.003.jpg
case_images: PMC5357529_01_CRIGM2017-4815752.003.jpg
case_images: fig3
case_images: On day 6, a second EGD showed remarkable improvement in the appearance of esophagus but demonstrated severe acute esophagitis (Figures 3 and 4).
case_images: Follow-up endoscopic image (3 days after) of distal esophagus showing esophagitis.
case_images: CRIGM2017-4815752.004.jpg
case_images: PMC5357529_01_CRIGM2017-4815752.004.jpg
case_images: fig4
case_images: On day 6, a second EGD showed remarkable improvement in the appearance of esophagus but demonstrated severe acute esophagitis (Figures 3 and 4).