Retroperitoneal schwannoma preoperatively diagnosed as liver metastasis from colon cancer: A case report

Research output: Contribution to journalArticle

Abstract

Background: Retroperitoneal schwannomas are rare. Case presentation: We here report a case of 64-year-old woman who was referred to her local hospital for abdominal pain and found to have a palpable tumor. Computed tomography (CT) and colonoscopy revealed a combination of liver and colon lesions and colon cancer with a large liver metastasis was suspected. After neoadjuvant chemotherapy had proved ineffective for her presumed liver metastasis, the patient was referred to our hospital where we performed a simultaneous right hemicolectomy and extended left hepatic lobectomy. The pathological diagnoses were a colonic adenocarcinoma and retroperitoneal schwannoma immediately adjacent to the liver. Conclusions: Although liver metastasis should be the first provisional diagnosis in patients with advanced colon cancer, retroperitoneal schwannoma should also be suspected in the differential diagnosis of possible liver lesions.

Original languageEnglish
Pages (from-to)31-34
Number of pages4
JournalInternational Journal of Surgery Case Reports
Volume64
DOIs
Publication statusPublished - 2019

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Neurilemmoma
Colonic Neoplasms
Neoplasm Metastasis
Liver
Colonoscopy
Abdominal Pain
Colon
Adenocarcinoma
Differential Diagnosis
Tomography
Drug Therapy
Neoplasms

All Science Journal Classification (ASJC) codes

  • Surgery

Cite this

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title = "Retroperitoneal schwannoma preoperatively diagnosed as liver metastasis from colon cancer: A case report",
abstract = "Background: Retroperitoneal schwannomas are rare. Case presentation: We here report a case of 64-year-old woman who was referred to her local hospital for abdominal pain and found to have a palpable tumor. Computed tomography (CT) and colonoscopy revealed a combination of liver and colon lesions and colon cancer with a large liver metastasis was suspected. After neoadjuvant chemotherapy had proved ineffective for her presumed liver metastasis, the patient was referred to our hospital where we performed a simultaneous right hemicolectomy and extended left hepatic lobectomy. The pathological diagnoses were a colonic adenocarcinoma and retroperitoneal schwannoma immediately adjacent to the liver. Conclusions: Although liver metastasis should be the first provisional diagnosis in patients with advanced colon cancer, retroperitoneal schwannoma should also be suspected in the differential diagnosis of possible liver lesions.",
author = "Huanlin Wang and Tomoharu Yoshizumi and Shinji Itoh and Toru Ikegami and Noboru Harada and Yoshinao Oda and Masaki Mori",
year = "2019",
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language = "English",
volume = "64",
pages = "31--34",
journal = "International Journal of Surgery Case Reports",
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T1 - Retroperitoneal schwannoma preoperatively diagnosed as liver metastasis from colon cancer

T2 - A case report

AU - Wang, Huanlin

AU - Yoshizumi, Tomoharu

AU - Itoh, Shinji

AU - Ikegami, Toru

AU - Harada, Noboru

AU - Oda, Yoshinao

AU - Mori, Masaki

PY - 2019

Y1 - 2019

N2 - Background: Retroperitoneal schwannomas are rare. Case presentation: We here report a case of 64-year-old woman who was referred to her local hospital for abdominal pain and found to have a palpable tumor. Computed tomography (CT) and colonoscopy revealed a combination of liver and colon lesions and colon cancer with a large liver metastasis was suspected. After neoadjuvant chemotherapy had proved ineffective for her presumed liver metastasis, the patient was referred to our hospital where we performed a simultaneous right hemicolectomy and extended left hepatic lobectomy. The pathological diagnoses were a colonic adenocarcinoma and retroperitoneal schwannoma immediately adjacent to the liver. Conclusions: Although liver metastasis should be the first provisional diagnosis in patients with advanced colon cancer, retroperitoneal schwannoma should also be suspected in the differential diagnosis of possible liver lesions.

AB - Background: Retroperitoneal schwannomas are rare. Case presentation: We here report a case of 64-year-old woman who was referred to her local hospital for abdominal pain and found to have a palpable tumor. Computed tomography (CT) and colonoscopy revealed a combination of liver and colon lesions and colon cancer with a large liver metastasis was suspected. After neoadjuvant chemotherapy had proved ineffective for her presumed liver metastasis, the patient was referred to our hospital where we performed a simultaneous right hemicolectomy and extended left hepatic lobectomy. The pathological diagnoses were a colonic adenocarcinoma and retroperitoneal schwannoma immediately adjacent to the liver. Conclusions: Although liver metastasis should be the first provisional diagnosis in patients with advanced colon cancer, retroperitoneal schwannoma should also be suspected in the differential diagnosis of possible liver lesions.

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