[A case of H. pylori and API2-MALT1 gene-negative gastric mucosa-associated lymphoid tissue lymphoma with a carcinoma-like signet-ring cell lymphoepithelial lesion].
A 60-year-old woman presented in February 2003 with an ulcer on the lesser curvature of the anglus. The endoscopic biopsy specimens showed epithelial signet-ring cell associated with lymphoid infiltration, suggesting a diagnosis of gastric cancer. Histopathological examination confirmed the diagnosis of low-grade B-cell lymphoma of MALT with epithelial signet-ring cell lymphoepithelial lesion, which was negative for H. pylori and t (11;18) (q21;q21) translocation (API2-MALT1 gene). This case was treated with H. pylori eradication and additional radiation therapy, and the tumor was disappeared.
Sumida
Tomonori
T
Department of Internal Medicine and Endoscopy, Hiroshima City Asa Hospital.
Nagata
Shinji
S
Ohgoshi
Hiroaki
H
Ishida
Yuki
Y
Kuwabara
Takayasu
T
Tsumura
Takako
T
Tsuji
Keiji
K
Hidaka
Tohru
T
Kaneko
Mayumi
M
Yoshino
Tadashi
T
D018279:Carcinoma, Signet Ring Cell / Q000473:pathology* / Q000628:therapy; D005260:Female; D006801:Humans; D018442:Lymphoma, B-Cell, Marginal Zone; D008875:Middle Aged; D013274:Stomach Neoplasms / Q000473:pathology* / Q000628:therapy