Perivoliotis Konstantinos, Christodoulidis Gregory, Samara Athina A, Sgantzou Ioanna-Konstantina, Floros Theodoros, Volakakis Georgios, Karasavvidou Foteini, Tepetes Konstantinos
Department of Surgery, University Hospital of Larissa, Greece.
Department of Radiology, University Hospital of Larissa, Greece.
Case Rep Surg. 2021 Apr 22;2021:5523736. doi: 10.1155/2021/5523736. eCollection 2021.
Low-grade appendiceal mucinous neoplasms (LAMN) are detected in 0.7 to 1.7% of all appendicectomies. The diagnosis can be challenging, particularly in female patients where the differential diagnosis of primary appendiceal and ovarian mucinous neoplasms is unclear. . A 71-year-old female was referred to our tertiary hospital with the working diagnosis of a right ovarian cystic tumor. The lesion was identified through a transvaginal ultrasound performed for vague lower abdominal pain symptoms. CT scan confirmed these findings. Intraoperatively, an appendiceal mucocele was identified and a right hemicolectomy was performed. The histopathology examination revealed a LAMN. Six months later, the patient remains disease-free. A close biannual oncological follow-up has been suggested.
This case underlines the difficulty in determining the origin of mucinous neoplasms of the right pelvic area. Mucocele of the appendix should be considered in the differential diagnosis of a mass in the right iliac fossa.
在所有阑尾切除术中，低级别阑尾黏液性肿瘤（LAMN）的检出率为0.7%至1.7%。该诊断可能具有挑战性，尤其是在女性患者中，原发性阑尾黏液性肿瘤和卵巢黏液性肿瘤的鉴别诊断尚不明确。一名71岁女性因初步诊断为右卵巢囊性肿瘤被转诊至我院三级医院。通过经阴道超声检查发现该病变，该检查是针对下腹部隐痛症状进行的。CT扫描证实了这些发现。术中发现阑尾黏液囊肿，并进行了右半结肠切除术。组织病理学检查显示为LAMN。六个月后，患者无疾病复发。建议每半年进行一次密切的肿瘤学随访。
该病例强调了确定右盆腔黏液性肿瘤起源的困难。在鉴别诊断右髂窝肿块时应考虑阑尾黏液囊肿。
