Low-grade appendiceal mucinous neoplasm and endometriosis of the appendix.

IF 2.5 3区 医学 Q3 ONCOLOGY World Journal of Surgical Oncology Pub Date : 2017-12-19 DOI:10.1186/s12957-017-1294-1
Kyle D Klingbeil, Basem Azab, Mecker G Moller
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引用次数: 12

Abstract

Background: A distended, mucous-filled appendix is known as an appendiceal mucocele. They are a rare form of an appendiceal mass and develop from both benign and malignant processes. Mucoceles can develop secondarily to an obstruction, such as from a fecalith, scarring or, rarely, endometriosis. Only 12 cases of non-neoplastic appendiceal mucoceles caused by endometriosis have been previously described. The association between neoplastic appendiceal mucoceles in the presence of endometriosis is described for the first time in this report.

Case presentation: A 57-year-old woman presented with a chief complaint of worsening abdominal pain over the past 3 months. Imaging studies revealed an appendiceal mass. Laparoscopic evaluation confirmed an appendiceal mucocele, and the patient underwent complete appendectomy. No evidence of mucinous or endometrial deposits were present within the abdominal cavity. Pathological diagnosis revealed low-grade appendiceal mucinous neoplasm (LAMN) with evidence of endometriosis within the muscularis propria of the appendix. The patient recovered without complications and her abdominal pain completely resolved.

Conclusions: Endometriosis of the appendix is a rare manifestation and is most often identified as an incidental finding. Endometriosis leading to an obstructive mucocele of the appendix is an exceedingly rare finding, having only been described 12 times in the medical literature. LAMN in the presence of endometriosis of the appendix is described for the first time in this report. The association between appendiceal neoplasms in the presence of endometriosis requires further research in order to optimize operative treatment.

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低级别阑尾黏液性肿瘤和阑尾子宫内膜异位症。
背景:膨胀且充满粘液的阑尾称为阑尾粘液囊肿。它们是一种罕见的阑尾肿块,可由良性和恶性过程发展而来。粘液囊肿可继发于梗阻,如粪石、疤痕或罕见的子宫内膜异位症。只有12例非肿瘤性阑尾黏液囊肿引起的子宫内膜异位症已被报道。肿瘤阑尾黏液囊肿与子宫内膜异位症之间的关系首次在本报告中被描述。病例介绍:一名57岁女性,主诉为过去3个月腹痛加重。影像学检查显示阑尾肿块。腹腔镜检查证实为阑尾粘液囊肿,患者接受了阑尾全切除术。腹腔内未见粘液或子宫内膜沉积。病理诊断显示低级别阑尾黏液性肿瘤(LAMN)伴阑尾固有肌层内子宫内膜异位症。患者恢复无并发症,腹痛完全消失。结论:阑尾子宫内膜异位症是一种罕见的表现,通常被认为是偶然发现。子宫内膜异位症导致阑尾梗阻性粘液囊肿是一种极其罕见的发现,在医学文献中仅被描述了12次。本报告首次描述了阑尾子宫内膜异位症中LAMN的存在。阑尾肿瘤与子宫内膜异位症之间的关系需要进一步研究,以优化手术治疗。
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来源期刊
CiteScore
4.70
自引率
15.60%
发文量
362
审稿时长
3 months
期刊介绍: World Journal of Surgical Oncology publishes articles related to surgical oncology and its allied subjects, such as epidemiology, cancer research, biomarkers, prevention, pathology, radiology, cancer treatment, clinical trials, multimodality treatment and molecular biology. Emphasis is placed on original research articles. The journal also publishes significant clinical case reports, as well as balanced and timely reviews on selected topics. Oncology is a multidisciplinary super-speciality of which surgical oncology forms an integral component, especially with solid tumors. Surgical oncologists around the world are involved in research extending from detecting the mechanisms underlying the causation of cancer, to its treatment and prevention. The role of a surgical oncologist extends across the whole continuum of care. With continued developments in diagnosis and treatment, the role of a surgical oncologist is ever-changing. Hence, World Journal of Surgical Oncology aims to keep readers abreast with latest developments that will ultimately influence the work of surgical oncologists.
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