A Long Surviving Case of Coexistent Endocrine Cell Carcinoma and Well Differentiated Adenocarcinoma in Tubulovillous Adenoma of the Rectum with Lymph Node Involvement

隆之, 須藤; 倫寛, 藤田; 真吾, 御供; 晃, 梅邑; 馨, 石田; 憲幸, 上杉; 有, 菅井

doi:10.5833/jjgs.2012.0167

Jpn J Gastroenterol Surg

2013

DOI: 10.5833/jjgs.2012.0167

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A Long Surviving Case of Coexistent Endocrine Cell Carcinoma and Well Differentiated Adenocarcinoma in Tubulovillous Adenoma of the Rectum with Lymph Node Involvement

須藤隆之¹,

藤田倫寛²,

御供真吾³

et al.

Abstract: 腺管絨毛腺腫，高分化腺癌，内分泌細胞癌が共存した直腸内分泌細胞癌

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Endoscopic mucosal resection of early stage colon neuroendocrine carcinoma

Yamasaki

Uedo²,

Ishihara

et al. 2015

BMJ Case Reports

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SUMMARYEarly stage colorectal neuroendocrine carcinoma is rare. A small colon tumour was found in a 56-year-old man during diagnostic colonoscopy performed after a positive faecal occult blood test, and he was referred for treatment. A slightly reddish superficial elevated lesion with a shallow depression 10 mm in size was found in the transverse colon. Magnifying narrow-band imaging revealed disrupted irregular microvessels and the absence of a surface pattern in the depressed area. En bloc endoscopic mucosal resection (EMR) of the tumour was undertaken. The tumour was positive for chromogranin A and synaptophysin, and had a mitotic rate of >20/10 high-power fields and a Ki-67 proliferative index of >50%; it was diagnosed as a neuroendocrine carcinoma. The tumour minimally invaded the submucosa (300 μm) without lymphovascular involvement. The patient was followed up carefully, and at 1 year after EMR, no recurrence was found using colonoscopy and CT scans. BACKGROUND

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Endoscopic mucosal resection of early stage colon neuroendocrine carcinoma

Yamasaki

Uedo²,

Ishihara

et al. 2015

BMJ Case Reports

View full text Add to dashboard Cite

show abstract

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A Long Surviving Case of Coexistent Endocrine Cell Carcinoma and Well Differentiated Adenocarcinoma in Tubulovillous Adenoma of the Rectum with Lymph Node Involvement

Abstract: 腺管絨毛腺腫，高分化腺癌，内分泌細胞癌が共存した直腸内分泌細胞癌

Cited by 1 publication

References 16 publications

Endoscopic mucosal resection of early stage colon neuroendocrine carcinoma

Endoscopic mucosal resection of early stage colon neuroendocrine carcinoma

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