Presumed Solitary Dissemination of Colon Cancer Mimicking Primary Cancer of the Small Intestine

A 69-year-old man with abdominal distention was referred to our hospital. The patient had undergone laparoscopic surgery for his Borrmann type 2 rectal cancer 2 years before. In addition to the re-elevation of serum CEA and CA19-9 levels, computed tomography (CT) showed intestinal dilatation, and po...

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Autores principales:	Daisuke Inoue, Shoji Oura, Tomoya Takami, Shinichiro Makimoto
Formato:	article
Lenguaje:	EN
Publicado:	Karger Publishers 2021
Materias:	metastatic small intestinal tumor solitary dissemination colorectal cancer Neoplasms. Tumors. Oncology. Including cancer and carcinogens RC254-282
Acceso en línea:	https://doaj.org/article/e3c60967d3404dd3b69b5218278b89a1
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spelling	oai:doaj.org-article:e3c60967d3404dd3b69b5218278b89a12021-11-04T14:40:31ZPresumed Solitary Dissemination of Colon Cancer Mimicking Primary Cancer of the Small Intestine1662-657510.1159/000519023https://doaj.org/article/e3c60967d3404dd3b69b5218278b89a12021-10-01T00:00:00Zhttps://www.karger.com/Article/FullText/519023https://doaj.org/toc/1662-6575A 69-year-old man with abdominal distention was referred to our hospital. The patient had undergone laparoscopic surgery for his Borrmann type 2 rectal cancer 2 years before. In addition to the re-elevation of serum CEA and CA19-9 levels, computed tomography (CT) showed intestinal dilatation, and positron emission CT showed a presumed tumor with abnormal fluorodeoxyglucose accumulation in the small intestine. We judged the small intestinal dilatation was highly due to the solitary recurrent peritoneal dissemination of rectal cancer and performed laparoscopic evaluation of the abdominal cavity followed by laparoscopic resection of the affected small intestine. The small intestinal tumor resembled the rectal cancer both on macroscopical and microscopical findings, that is, Borrmann type 2 phenotype and adenocarcinoma that was well differentiated in the part that protruded into the small intestinal lumen and whose degree of differentiation gradually decreased toward the serosa. In addition, abrupt disruption of the normal small intestinal epithelium and the lymphocytic aggregation, presumed tumor-infiltrating lymphocytes, just between the tumor and the small intestinal epithelium highly suggested the tumor originating from the colon cancer. The patient recovered uneventfully with marked decrease in tumor marker levels 1 month after the operation but did not receive colon cancer-oriented chemotherapy as adjuvant therapy for his financial reasons. Oncologists should note this type of recurrence to properly treat the patients with recurrent colorectal cancer.Daisuke InoueShoji OuraTomoya TakamiShinichiro MakimotoKarger Publishersarticlemetastatic small intestinal tumorsolitary disseminationcolorectal cancerNeoplasms. Tumors. Oncology. Including cancer and carcinogensRC254-282ENCase Reports in Oncology, Vol 14, Iss 3, Pp 1422-1428 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	metastatic small intestinal tumor solitary dissemination colorectal cancer Neoplasms. Tumors. Oncology. Including cancer and carcinogens RC254-282
spellingShingle	metastatic small intestinal tumor solitary dissemination colorectal cancer Neoplasms. Tumors. Oncology. Including cancer and carcinogens RC254-282 Daisuke Inoue Shoji Oura Tomoya Takami Shinichiro Makimoto Presumed Solitary Dissemination of Colon Cancer Mimicking Primary Cancer of the Small Intestine
description	A 69-year-old man with abdominal distention was referred to our hospital. The patient had undergone laparoscopic surgery for his Borrmann type 2 rectal cancer 2 years before. In addition to the re-elevation of serum CEA and CA19-9 levels, computed tomography (CT) showed intestinal dilatation, and positron emission CT showed a presumed tumor with abnormal fluorodeoxyglucose accumulation in the small intestine. We judged the small intestinal dilatation was highly due to the solitary recurrent peritoneal dissemination of rectal cancer and performed laparoscopic evaluation of the abdominal cavity followed by laparoscopic resection of the affected small intestine. The small intestinal tumor resembled the rectal cancer both on macroscopical and microscopical findings, that is, Borrmann type 2 phenotype and adenocarcinoma that was well differentiated in the part that protruded into the small intestinal lumen and whose degree of differentiation gradually decreased toward the serosa. In addition, abrupt disruption of the normal small intestinal epithelium and the lymphocytic aggregation, presumed tumor-infiltrating lymphocytes, just between the tumor and the small intestinal epithelium highly suggested the tumor originating from the colon cancer. The patient recovered uneventfully with marked decrease in tumor marker levels 1 month after the operation but did not receive colon cancer-oriented chemotherapy as adjuvant therapy for his financial reasons. Oncologists should note this type of recurrence to properly treat the patients with recurrent colorectal cancer.
format	article
author	Daisuke Inoue Shoji Oura Tomoya Takami Shinichiro Makimoto
author_facet	Daisuke Inoue Shoji Oura Tomoya Takami Shinichiro Makimoto
author_sort	Daisuke Inoue
title	Presumed Solitary Dissemination of Colon Cancer Mimicking Primary Cancer of the Small Intestine
title_short	Presumed Solitary Dissemination of Colon Cancer Mimicking Primary Cancer of the Small Intestine
title_full	Presumed Solitary Dissemination of Colon Cancer Mimicking Primary Cancer of the Small Intestine
title_fullStr	Presumed Solitary Dissemination of Colon Cancer Mimicking Primary Cancer of the Small Intestine
title_full_unstemmed	Presumed Solitary Dissemination of Colon Cancer Mimicking Primary Cancer of the Small Intestine
title_sort	presumed solitary dissemination of colon cancer mimicking primary cancer of the small intestine
publisher	Karger Publishers
publishDate	2021
url	https://doaj.org/article/e3c60967d3404dd3b69b5218278b89a1
work_keys_str_mv	AT daisukeinoue presumedsolitarydisseminationofcoloncancermimickingprimarycancerofthesmallintestine AT shojioura presumedsolitarydisseminationofcoloncancermimickingprimarycancerofthesmallintestine AT tomoyatakami presumedsolitarydisseminationofcoloncancermimickingprimarycancerofthesmallintestine AT shinichiromakimoto presumedsolitarydisseminationofcoloncancermimickingprimarycancerofthesmallintestine
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Presumed Solitary Dissemination of Colon Cancer Mimicking Primary Cancer of the Small Intestine

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