A Case of Low-Grade Appendiceal Mucinous Neoplasm That Led to Surgery After 12 Years of No Treatment

Low-grade appendiceal mucinous neoplasm (LAMN) is a relatively rare, non-invasive appendiceal tumor. We experienced a case of LAMN that led to surgery after 12 years of no treatment. Until now, LAMN has been reported to progress more slowly than other tumors, but there have been no reports of long-t...

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Published in:Curēus (Palo Alto, CA) CA), 2023-08, Vol.15 (8)
Main Authors: Makino, Akihiro, Okumura, Takuya, Yamashita, Kimihiro, Isogaki, Jun, Kawabe, Akihiro
Format: Article
Language:English
Subjects:
Abdomen
Antigens
Appendectomy
Appendix
Body fat
Calcification
Cancer
Case reports
Dissection
Gastrointestinal cancer
Hospitals
Lymphatic system
Medical imaging
Metastasis
Oncology
Pathology
Surgery
Tomography
Tumors
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container_title Curēus (Palo Alto, CA)
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creator Makino, Akihiro
Okumura, Takuya
Yamashita, Kimihiro
Isogaki, Jun
Kawabe, Akihiro
description Low-grade appendiceal mucinous neoplasm (LAMN) is a relatively rare, non-invasive appendiceal tumor. We experienced a case of LAMN that led to surgery after 12 years of no treatment. Until now, LAMN has been reported to progress more slowly than other tumors, but there have been no reports of long-term follow-up of appendiceal tumors without treatment. Although the tumor had grown over the course of 12 years, there was no mixing or migration of other histological types, and it did not lead to pseudomyxoma peritonei. As this course is considered to be relatively rare, we report it along with a literature review.
doi_str_mv 10.7759/cureus.43024
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subjects Abdomen
Antigens
Appendectomy
Appendix
Body fat
Calcification
Cancer
Case reports
Dissection
Gastrointestinal cancer
Hospitals
Lymphatic system
Medical imaging
Metastasis
Oncology
Pathology
Surgery
Tomography
Tumors
title A Case of Low-Grade Appendiceal Mucinous Neoplasm That Led to Surgery After 12 Years of No Treatment
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