AIM: To explore the feasibility and oncologic outcomes of segmental jejunal resection on the left side of the mesenteric vessels in patients with tumors of the angle of Treitz using data from a single center.
BACKGROUND Gastric neuroendocrine carcinoma(GNEC)is a rare histological subtype of gastric cancer,which is categorized into small cell and large cell neuroendocrine carcinomas.It is characterized by strong invasivenes...BACKGROUND Gastric neuroendocrine carcinoma(GNEC)is a rare histological subtype of gastric cancer,which is categorized into small cell and large cell neuroendocrine carcinomas.It is characterized by strong invasiveness and poor prognosis.Mixed large and small cell neuroendocrine carcinoma(L/SCNEC)is an extremely rare pathological type of gastric cancer,and there have been no reports on this situation until now.CASE SUMMARY Herein,we first present a 57-year-old patient diagnosed with L/SCNEC of the stomach.A 57-year-old Chinese male presented with epigastric discomfort.Outpatient gastroscopic biopsy was performed,and pathological examination revealed that the cardia was invaded by adenocarcinoma.The patient underwent laparoscopic-assisted radical proximal subtotal gastrectomy and was diagnosed with L/SCNEC.He refused adjuvant treatment and was followed up every 3 mo.Eight months after the operation,the patient showed no evidence of local recurrence or distant metastasis.CONCLUSION We advocate conducting further genomic studies to explore the origin of gastric large cell and small cell neuroendocrine carcinoma and using different chemotherapy schemes according to large or small cell neuroendocrine carcinoma of the stomach for clinical research to clarify the heterogeneity of GNEC and improve the prognosis of patients with GNEC.展开更多
基金Supported by Beijing Municipal Science Technology Commis-sion Fund No.Z131107002213164the Beijing Hope Run Special Fund LC2012A09
文摘AIM: To explore the feasibility and oncologic outcomes of segmental jejunal resection on the left side of the mesenteric vessels in patients with tumors of the angle of Treitz using data from a single center.
文摘BACKGROUND Gastric neuroendocrine carcinoma(GNEC)is a rare histological subtype of gastric cancer,which is categorized into small cell and large cell neuroendocrine carcinomas.It is characterized by strong invasiveness and poor prognosis.Mixed large and small cell neuroendocrine carcinoma(L/SCNEC)is an extremely rare pathological type of gastric cancer,and there have been no reports on this situation until now.CASE SUMMARY Herein,we first present a 57-year-old patient diagnosed with L/SCNEC of the stomach.A 57-year-old Chinese male presented with epigastric discomfort.Outpatient gastroscopic biopsy was performed,and pathological examination revealed that the cardia was invaded by adenocarcinoma.The patient underwent laparoscopic-assisted radical proximal subtotal gastrectomy and was diagnosed with L/SCNEC.He refused adjuvant treatment and was followed up every 3 mo.Eight months after the operation,the patient showed no evidence of local recurrence or distant metastasis.CONCLUSION We advocate conducting further genomic studies to explore the origin of gastric large cell and small cell neuroendocrine carcinoma and using different chemotherapy schemes according to large or small cell neuroendocrine carcinoma of the stomach for clinical research to clarify the heterogeneity of GNEC and improve the prognosis of patients with GNEC.