Gan to kagaku ryoho. Cancer & chemotherapy · 2025
[A Review of Seven Cases of Low-Grade Appendiceal Mucinous Neoplasm at Our Institution].
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Yamamoto Eisuke, Ihara Takeshi, Watayou Yoshihisa, Oosawa Routa, Tagao Fuyuki, Takei Akinori, Shibuya Hitoshi, Nakajima Rokurou, Kanbe Takaaki, Kurosaki Tetsuya
Аннотация
INTRODUCTION: Low-grade appendiceal mucinous neoplasm(LAMN)is often difficult to diagnose preoperatively. We investigated the clinical features and treatment outcomes of LAMN cases experienced at our institution.
METHODS: We retrospectively reviewed 7 cases of LAMN that underwent surgical resection at our institution between October 2016 and December 2024.
RESULTS: The median age of the patients was 59 year(s range:38-87), with 4 males and 3 females. The most common initial symptom was abdominal pain, observed in 5 cases. Only 1 case was diagnosed as LAMN preoperatively. The surgical procedures included 1 case of laparoscopic appendectomy, 2 case of laparoscopic cecal resection, 1 case of laparoscopic ileocecal resection, 2 cases of laparoscopic ileocecal resection with lymph node dissection, and 1 case of laparoscopic right hemicolectomy(due to ascending colon cancer). No recurrences were observed postoperatively.
DISCUSSION: LAMN is challenging to diagnose preoperatively. In our study, only 1 case was diagnosed before surgery, and the surgical procedures varied. Further accumulation and analysis of cases are required.
METHODS: We retrospectively reviewed 7 cases of LAMN that underwent surgical resection at our institution between October 2016 and December 2024.
RESULTS: The median age of the patients was 59 year(s range:38-87), with 4 males and 3 females. The most common initial symptom was abdominal pain, observed in 5 cases. Only 1 case was diagnosed as LAMN preoperatively. The surgical procedures included 1 case of laparoscopic appendectomy, 2 case of laparoscopic cecal resection, 1 case of laparoscopic ileocecal resection, 2 cases of laparoscopic ileocecal resection with lymph node dissection, and 1 case of laparoscopic right hemicolectomy(due to ascending colon cancer). No recurrences were observed postoperatively.
DISCUSSION: LAMN is challenging to diagnose preoperatively. In our study, only 1 case was diagnosed before surgery, and the surgical procedures varied. Further accumulation and analysis of cases are required.