症例
H. pylori未感染胃粘膜に発生したラズベリー様腺窩上皮型胃癌の一例
キーワード:
H. pylori未感染,
ラズベリー様腺窩上皮型胃癌
2023 年 102 巻 1 号 p. 74-76
詳細
2023 年 102 巻 1 号 p. 74-76
The patient was a 77-year-old woman who was admitted to our hospital because of heart burn and upper abdominal pain.
Endoscopy showed the rapsberry-like protruded lesion at the greater curvature of the lower body.
Narrow band imaging with magnified endoscopy showed the tumor was a papillary surface structures of varying sizes, a dilated intervening part with irregular microvascurality and a thinned white zone.
Pathological examination of the biopsy a specimen revealed a mild atypical ductal structure and a mild irregular arrangement of nuclei.
Endoscopic submucosal dissection was done, and histopathologically, tumor was a well differentiated tubular adenocarcinoma.
Immunohistochemical staining showed that the neoplasm was positive for MUC5AC and negative for MUC2, MUC6, CD10, indicating that it was a foveolar-type gastric adenocarcinoma.
The patient had no history of Helicobacter pylori eradication therapy and without Helicobacter pylori infection.
