Peritoneal dissemination of appendiceal goblet cell adenocarcinoma mimicking white pus caused by peritonitis following appendicitis: an instructive case report

Abstract Background Goblet cell adenocarcinoma is an extremely rare tumor in which the same cells exhibit both mucinous and neuroendocrine differentiation. It is considered more aggressive compared to conventional carcinoids and more likely to cause metastasis. Case presentation We report a case of...

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Main Authors: Keigo Nakashima, Masakazu Hashimoto, Yoshihito Kitamura, Makoto Shinohara, Mizuki Yamaguchi, Michinori Hamaoka, Masashi Miguchi, Toshihiro Misumi, Nobuaki Fujikuni, Satoshi Ikeda, Yasuhiro Matsugu, Takashi Nishisaka, Hideki Nakahara
Format: Article
Language:English
Published: SpringerOpen 2024-02-01
Series:Surgical Case Reports
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Online Access:https://doi.org/10.1186/s40792-024-01847-4
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author Keigo Nakashima
Masakazu Hashimoto
Yoshihito Kitamura
Makoto Shinohara
Mizuki Yamaguchi
Michinori Hamaoka
Masashi Miguchi
Toshihiro Misumi
Nobuaki Fujikuni
Satoshi Ikeda
Yasuhiro Matsugu
Takashi Nishisaka
Hideki Nakahara
author_facet Keigo Nakashima
Masakazu Hashimoto
Yoshihito Kitamura
Makoto Shinohara
Mizuki Yamaguchi
Michinori Hamaoka
Masashi Miguchi
Toshihiro Misumi
Nobuaki Fujikuni
Satoshi Ikeda
Yasuhiro Matsugu
Takashi Nishisaka
Hideki Nakahara
author_sort Keigo Nakashima
collection DOAJ
description Abstract Background Goblet cell adenocarcinoma is an extremely rare tumor in which the same cells exhibit both mucinous and neuroendocrine differentiation. It is considered more aggressive compared to conventional carcinoids and more likely to cause metastasis. Case presentation We report a case of goblet cell adenocarcinoma with peritoneal metastases. A 62-year-old man underwent appendectomy for acute appendicitis. Intraoperatively, inflammatory white pus and a small amount of dirty ascites were observed in the lower abdomen with severely inflamed appendix. Histopathological examination of the specimen collected during appendectomy revealed goblet cell adenocarcinoma with a positive surgical margin. One month later, additional ileal resection was planned. Laparoscopic examination revealed disseminated nodules throughout the abdominal cavity. Therefore, the patient underwent resection of the peritoneal nodules. The peritoneal specimens confirmed the histopathological findings. Thus we diagnosed the patient with peritoneal dissemination of appendiceal goblet cell adenocarcinoma. Conclusions In cases wherein white pus is observed during surgery for acute appendicitis, considering the possibility of dissemination, collecting samples for histopathological examination, and initiating early treatment are crucial.
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spelling doaj.art-df6420cedc594a0fb069c859af162bdb2024-03-05T20:05:53ZengSpringerOpenSurgical Case Reports2198-77932024-02-011011510.1186/s40792-024-01847-4Peritoneal dissemination of appendiceal goblet cell adenocarcinoma mimicking white pus caused by peritonitis following appendicitis: an instructive case reportKeigo Nakashima0Masakazu Hashimoto1Yoshihito Kitamura2Makoto Shinohara3Mizuki Yamaguchi4Michinori Hamaoka5Masashi Miguchi6Toshihiro Misumi7Nobuaki Fujikuni8Satoshi Ikeda9Yasuhiro Matsugu10Takashi Nishisaka11Hideki Nakahara12Department of Gastroenterological Surgery, Hiroshima Prefectural HospitalDepartment of Gastroenterological Surgery, Hiroshima Prefectural HospitalDepartment of Gastroenterological Surgery, Hiroshima Prefectural HospitalDepartment of Gastroenterological Surgery, Hiroshima Prefectural HospitalDepartment of Gastroenterological Surgery, Hiroshima Prefectural HospitalDepartment of Gastroenterological Surgery, Hiroshima Prefectural HospitalDepartment of Gastroenterological Surgery, Hiroshima Prefectural HospitalDepartment of Gastroenterological Surgery, Hiroshima Prefectural HospitalDepartment of Gastroenterological Surgery, Hiroshima Prefectural HospitalDepartment of Gastroenterological Surgery, Hiroshima Prefectural HospitalDepartment of Gastroenterological Surgery, Hiroshima Prefectural HospitalDepartment of Pathology and Laboratory Medicine, Hiroshima Prefectural HospitalDepartment of Gastroenterological Surgery, Hiroshima Prefectural HospitalAbstract Background Goblet cell adenocarcinoma is an extremely rare tumor in which the same cells exhibit both mucinous and neuroendocrine differentiation. It is considered more aggressive compared to conventional carcinoids and more likely to cause metastasis. Case presentation We report a case of goblet cell adenocarcinoma with peritoneal metastases. A 62-year-old man underwent appendectomy for acute appendicitis. Intraoperatively, inflammatory white pus and a small amount of dirty ascites were observed in the lower abdomen with severely inflamed appendix. Histopathological examination of the specimen collected during appendectomy revealed goblet cell adenocarcinoma with a positive surgical margin. One month later, additional ileal resection was planned. Laparoscopic examination revealed disseminated nodules throughout the abdominal cavity. Therefore, the patient underwent resection of the peritoneal nodules. The peritoneal specimens confirmed the histopathological findings. Thus we diagnosed the patient with peritoneal dissemination of appendiceal goblet cell adenocarcinoma. Conclusions In cases wherein white pus is observed during surgery for acute appendicitis, considering the possibility of dissemination, collecting samples for histopathological examination, and initiating early treatment are crucial.https://doi.org/10.1186/s40792-024-01847-4Appendiceal tumorGoblet cell adenocarcinomaPeritoneal dissemination
spellingShingle Keigo Nakashima
Masakazu Hashimoto
Yoshihito Kitamura
Makoto Shinohara
Mizuki Yamaguchi
Michinori Hamaoka
Masashi Miguchi
Toshihiro Misumi
Nobuaki Fujikuni
Satoshi Ikeda
Yasuhiro Matsugu
Takashi Nishisaka
Hideki Nakahara
Peritoneal dissemination of appendiceal goblet cell adenocarcinoma mimicking white pus caused by peritonitis following appendicitis: an instructive case report
Surgical Case Reports
Appendiceal tumor
Goblet cell adenocarcinoma
Peritoneal dissemination
title Peritoneal dissemination of appendiceal goblet cell adenocarcinoma mimicking white pus caused by peritonitis following appendicitis: an instructive case report
title_full Peritoneal dissemination of appendiceal goblet cell adenocarcinoma mimicking white pus caused by peritonitis following appendicitis: an instructive case report
title_fullStr Peritoneal dissemination of appendiceal goblet cell adenocarcinoma mimicking white pus caused by peritonitis following appendicitis: an instructive case report
title_full_unstemmed Peritoneal dissemination of appendiceal goblet cell adenocarcinoma mimicking white pus caused by peritonitis following appendicitis: an instructive case report
title_short Peritoneal dissemination of appendiceal goblet cell adenocarcinoma mimicking white pus caused by peritonitis following appendicitis: an instructive case report
title_sort peritoneal dissemination of appendiceal goblet cell adenocarcinoma mimicking white pus caused by peritonitis following appendicitis an instructive case report
topic Appendiceal tumor
Goblet cell adenocarcinoma
Peritoneal dissemination
url https://doi.org/10.1186/s40792-024-01847-4
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