Laparoscopic Resection of Appendiceal Schwannoma

Background. Schwannoma arises from Schwann’s cell of the neural sheath. Schwannoma of the large intestine, particularly of the appendix, is rare. We report a case of appendiceal schwannoma resected using laparoscopic surgery. Case Presentation. A 75-year-old man was referred to our hospital for abdo...

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Main Authors: Toru Imagami, Satoru Takayama, Yohei Maeda, Ryohei Matsui, Masaki Sakamoto, Hisanori Kani
Format: Article
Language:English
Published: Wiley 2018-01-01
Series:Case Reports in Surgery
Online Access:http://dx.doi.org/10.1155/2018/9191503
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author Toru Imagami
Satoru Takayama
Yohei Maeda
Ryohei Matsui
Masaki Sakamoto
Hisanori Kani
author_facet Toru Imagami
Satoru Takayama
Yohei Maeda
Ryohei Matsui
Masaki Sakamoto
Hisanori Kani
author_sort Toru Imagami
collection DOAJ
description Background. Schwannoma arises from Schwann’s cell of the neural sheath. Schwannoma of the large intestine, particularly of the appendix, is rare. We report a case of appendiceal schwannoma resected using laparoscopic surgery. Case Presentation. A 75-year-old man was referred to our hospital for abdominal fullness and nausea since 2 months. Abdominal CT revealed a well-demarcated oval mass of 25 mm at the tip of the appendix. Contrast-enhanced CT revealed a lesion with gradually enhanced contrast from the arterial phase to the equilibrium phase. Abdominal US revealed a well-demarcated hypoechoic tumor. Preoperative diagnosis indicated appendiceal mesenchymal or neuroendocrine tumor. Ileocecal resection with D3 lymph node dissection was performed. Pathological and immunohistochemical findings confirmed the diagnosis of appendiceal schwannoma. Conclusions. For determining the surgical procedure of nonepithelial tumor of the appendix, preoperative diagnosis of mesenchymal or neuroendocrine tumors is required. However, appendiceal schwannoma is extremely rare, and its characteristic findings have not yet been established. Accumulating cases of appendiceal schwannomas is necessary for improving imaging diagnosis and surgical treatment.
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issn 2090-6900
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language English
publishDate 2018-01-01
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series Case Reports in Surgery
spelling doaj-art-1e1275af97734cda9606c04373a99aa92025-02-03T06:13:17ZengWileyCase Reports in Surgery2090-69002090-69192018-01-01201810.1155/2018/91915039191503Laparoscopic Resection of Appendiceal SchwannomaToru Imagami0Satoru Takayama1Yohei Maeda2Ryohei Matsui3Masaki Sakamoto4Hisanori Kani5Department of Surgery, Nagoya Tokushukai General Hospital, 2-52 Kouzouji-cho kita, Kasugai, Aichi 487-0016, JapanDepartment of Surgery, Nagoya Tokushukai General Hospital, 2-52 Kouzouji-cho kita, Kasugai, Aichi 487-0016, JapanDepartment of Surgery, Nagoya Tokushukai General Hospital, 2-52 Kouzouji-cho kita, Kasugai, Aichi 487-0016, JapanDepartment of Surgery, Nagoya Tokushukai General Hospital, 2-52 Kouzouji-cho kita, Kasugai, Aichi 487-0016, JapanDepartment of Surgery, Nagoya Tokushukai General Hospital, 2-52 Kouzouji-cho kita, Kasugai, Aichi 487-0016, JapanDepartment of Surgery, Nagoya Tokushukai General Hospital, 2-52 Kouzouji-cho kita, Kasugai, Aichi 487-0016, JapanBackground. Schwannoma arises from Schwann’s cell of the neural sheath. Schwannoma of the large intestine, particularly of the appendix, is rare. We report a case of appendiceal schwannoma resected using laparoscopic surgery. Case Presentation. A 75-year-old man was referred to our hospital for abdominal fullness and nausea since 2 months. Abdominal CT revealed a well-demarcated oval mass of 25 mm at the tip of the appendix. Contrast-enhanced CT revealed a lesion with gradually enhanced contrast from the arterial phase to the equilibrium phase. Abdominal US revealed a well-demarcated hypoechoic tumor. Preoperative diagnosis indicated appendiceal mesenchymal or neuroendocrine tumor. Ileocecal resection with D3 lymph node dissection was performed. Pathological and immunohistochemical findings confirmed the diagnosis of appendiceal schwannoma. Conclusions. For determining the surgical procedure of nonepithelial tumor of the appendix, preoperative diagnosis of mesenchymal or neuroendocrine tumors is required. However, appendiceal schwannoma is extremely rare, and its characteristic findings have not yet been established. Accumulating cases of appendiceal schwannomas is necessary for improving imaging diagnosis and surgical treatment.http://dx.doi.org/10.1155/2018/9191503
spellingShingle Toru Imagami
Satoru Takayama
Yohei Maeda
Ryohei Matsui
Masaki Sakamoto
Hisanori Kani
Laparoscopic Resection of Appendiceal Schwannoma
Case Reports in Surgery
title Laparoscopic Resection of Appendiceal Schwannoma
title_full Laparoscopic Resection of Appendiceal Schwannoma
title_fullStr Laparoscopic Resection of Appendiceal Schwannoma
title_full_unstemmed Laparoscopic Resection of Appendiceal Schwannoma
title_short Laparoscopic Resection of Appendiceal Schwannoma
title_sort laparoscopic resection of appendiceal schwannoma
url http://dx.doi.org/10.1155/2018/9191503
work_keys_str_mv AT toruimagami laparoscopicresectionofappendicealschwannoma
AT satorutakayama laparoscopicresectionofappendicealschwannoma
AT yoheimaeda laparoscopicresectionofappendicealschwannoma
AT ryoheimatsui laparoscopicresectionofappendicealschwannoma
AT masakisakamoto laparoscopicresectionofappendicealschwannoma
AT hisanorikani laparoscopicresectionofappendicealschwannoma