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Signet-ring cell carcinoma of the transverse colon in a 10-year-old girl:A case report

World Journal of Gastrointestinal Oncology 2024年第12期16卷 4746-4752页

作者： Ling Lv Yuan-Hua Song Yan Gao Shuang-Qiong Pu Zhi-Xiang A Hong-Fang Wu Jun Zhou Yu-Cheng Xie Department of Pathology Kunming Children’s HospitalKunming 650028Yunnan ProvinceChina Department of Oncology Kunming Children’s HospitalKunming 650028Yunnan ProvinceChina

BACKGROUND Signet-ring cell carcinoma(SRCC)is a rare subtype of colorectal *** incidence of primary colonic SRCC is relatively rare in pediatric patients,with a limited number of reported cases currently *** prognosis for this specific tumor type is unfavorable,and the preoperative diagnosis presents challenges,potentially leading to *** case report describes the diagnosis of primary SRCC in the colon of a 10-year-old *** SUMMARY The patient was admitted to the hospital due to abdominal pain and vomiting.A computed tomography scan revealed an irregular mass with soft tissue density in her transverse colon,showing uneven density and multiple *** patient underwent surgical resection of the affected bowel and lymph node dissection,which was confirmed by pathological examination to be SRCC infiltrating both nerves and the entire intestinal ***,tumor thrombus formation was observed in blood vessels and lymphatic vessels,multiple cancerous nodules were found in the omentum,and metastasis to 18 of 26 mesenteric lymph nodes *** for mismatch repair gene protein demonstrated microsatellite *** mutations in KRAS,NRAS,BRAF,or PIK3CA genes were detected through molecular pathology *** surgery,she received standard chemotherapy for 8 cycles without tumor progression or other abnormalities during a 12-month follow-up period CONCLUSION Primary colonic SRCC is a rare malignant tumor with atypical clinical symptoms,and timely identification and intervention are crucial for improving the prognosis.

关键词： Signet ring cell cancer Colon Pediatric pathological presentation Case report

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