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Fig. 1 | BMC Gastroenterology

Fig. 1

From: Esophageal lymphangioma: a case report and review of literature

Fig. 1

Endoscopic and histopathological findings of the esophageal lymphangioma. a sessile polypoid soft tumor with a lustrous surface was found endoscopically in the upper-mid esophagus at 20–22 cm from the incisor. b Under endoscopic ultrasonography, the tumor showed a heterogeneous hypoechoic pattern and involved the lamina propria and submucosal space, but not the muscularis propria. c Microscopically, the tumor was composed of dilated lymphatic vessels in various sizes underneath the normal esophageal squamous epithelium. d The lymphatic vessels were lined by flat benign endothelial cells with lymphocytic aggregates in the fibrous stroma. e Flat endothelial lining cells of this esophageal lymphangioma were immunoreactive to D2–40, a classical biomarker for lymphatic endothelial cells, confirming the diagnosis of lymphangioma

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