Gan to kagaku ryoho. Cancer & chemotherapy · 2017
[A Case Report of Gastric Carcinoma with Lymphoid Stroma Differentially Diagnosed from Malignant Lymphoma].
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Yamada Kazuto, Kosuga Toshiyuki, Okamoto Kazuma, Konishi Hirotaka, Shiozaki Atsushi, Fujiwara Hitoshi, Morimura Ryo, Murayama Yasutoshi, Kuriu Yoshiaki, Ikoma Hisashi, Nakanishi Masayoshi, Kuroda Junya, Kishimoto Mitsuo, Konishi Eiichi, Otsuji Eigo
Аннотация
A 49-year-old man was referred to our hospital for close examination of a submucosal tumor with ulceration located in the upper gastric body. PET-CT showed FDG uptake both in the gastric tumor and an enlarged lymph node. Although routine biopsies and EUS-FNA of this tumor did not demonstrate any malignant findings, he underwent excisional biopsy of the enlarged lymph nodes to rule out malignant lymphoma. Histopathological examination revealed that the excised specimens were metastatic nodes of poorly differentiated carcinoma probably from the known gastric tumor. Subsequently, he underwent total gastrectomy with D2, and histopathological findings confirmed the final diagnosis of gastric carcinoma with lymphoid stroma(GCLS). We report a case of GCLS that was difficult to diagnose.