PMC7430079_01
Endoscopic appearance of the esophagus demonstrating nodular mucosa,
extending from 23 to 35 cm from incisors. The Paris classification type
was 0-IIa+IIc, indicating superficial elevated lesions (black arrow) as
well as areas with central depressions (blue arrow).
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His prior endoscopies showed salmon-colored nodular mucosa, with a Paris classification phenotype of 0-IIa+IIc, located at 23 to 35 cm from the incisors (Figure 1).
Histopathologic examination of the biopsy specimen from nodular esophagus
showing Barrett's mucosa with high-grade dysplasia (arrows), but no
evidence of malignancy (hematoxylin and eosin staining; 400x).
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Biopsy confirmed multifocal high-grade dysplasia, with no evidence of carcinoma (Figure 2).
Gross morphology of the esophageal lesion after en bloc circumferential
removal using endoscopic submucosal tunnel dissection.
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It resulted in the en bloc removal of the 12-cm long, circumferential dysplastic esophageal lesion (Figure 3).
Postprocedural barium swallow showing no visible evidence of a leak.
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Postprocedural barium swallow showed no evidence of a filling defect (Figure 4).
The histopathologic analysis of the resected specimen confirmed the
presence of dysplastic Barrett's mucosa (arrows) and there was no
evidence of malignancy (hematoxylin and eosin staining; 400x).
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Pathologic analysis of the resected specimen confirmed dysplastic Barrett's mucosa, with no neoplastic changes (Figure 5).
PMC7430079_02
Upper endoscopy showing Barrett's esophagus (Prague C3M4), located at 41
to 44 cm from the incisors (blue arrows). A dysplastic mass lesion noted
at 42 cm from the incisors (black arrows), the morphology of the lesion
was consistent with the Paris classification type, protruding sessile
(Is).
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Upper endoscopy showed a mass lesion, morphologically consistent with the Paris classification type of protruding sessile (Is), noted at 42 to 44 cm from the incisors (Figure 6).
Endoscopic features of the gastroesophageal junction dysplastic mass
located at around 4 to 5 o'clock position (arrows).
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The gastroesophageal junction mass was located at 4 to 5 o'clock position (Figure 7).