case_images: PMC5465698_01
case_images: Initial endoscopic findings. Upper endoscopy revealed extensive ulceration covered by whitish exudates with submucosal edema at the proximal esophagus. Erythematous change was noted on the lower esophagus.
case_images: crg-0011-0162-g01.jpg
case_images: PMC5465698_01_crg-0011-0162-g01.jpg
case_images: f1
case_images: Upper endoscopy revealed extensive ulceration covered by whitish exudates with submucosal edema at the proximal esophagus (Fig. 1).
case_images: Follow-up endoscopic findings. After 14 days, improvement in inflammation was found, but stenosis at the level of the upper esophageal sphincter had developed.
case_images: crg-0011-0162-g02.jpg
case_images: PMC5465698_01_crg-0011-0162-g02.jpg
case_images: f2
case_images: Follow-up endoscopy showed improvement in inflammation, but stenosis at the level of the upper esophageal sphincter (Fig. 2).
case_images: Pathologic findings. a Microscopic finding shows Gram staining materials and necrotic tissues (Gram stain, x100). The arrow shows bacterial colony. b Magnifying (Gram stain, x600) microscopic findings shows heavy infiltration with gram-positive cocci morphologically consistent with Streptococcus.
case_images: crg-0011-0162-g03.jpg
case_images: PMC5465698_01_crg-0011-0162-g03.jpg
case_images: f3
case_images: Streptococcus (Fig. 3). Since the bacterial colony was demonstrated histologically, the diagnosis of bacterial esophagitis caused by B-hemolytic Streptococcus was confirmed.