增强超声（CEUS）在原发性腹膜后浆液性腺癌诊断中的附加价值：一例报告。
Added value of contrast-enhanced ultrasound (CEUS) in the diagnosis of primary retroperitoneal serous adenocarcinoma: a case report.
机构信息
Department of Ultrasound Medicine, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang Province, People's Republic of China.
Department of Pathology, The First Affiliated Hospital, College of Medicine, Zhejiang University, No. 79 Qingchun Road, Hangzhou, 310003, Zhejiang Province, People's Republic of China.
出版信息
BMC Med Imaging. 2021 May 12;21(1):80. doi: 10.1186/s12880-021-00613-4.
BACKGROUND
Primary retroperitoneal serous adenocarcinoma (PRSA) is a rare malignant disease. Given the rarity of the disease, the imaging features of PRSA are unclear. Contrast-enhanced ultrasound (CEUS) also plays an important role in the evaluation of the differential diagnosis of retroperitoneal lesions.
CASE PRESENTATION
We report the case of a 62-year-old woman of with increased CA125 levels for 1 year who was referred to our hospital. After conducting contrast-enhanced computed tomography and magnetic resonance imaging, the mass was misdiagnosed as a chocolate cyst. After transvaginal ultrasound (TUS) combined with CEUS, cystadenocarcinoma was considered as the initial diagnosis. Pathology results confirmed PRSA as the final diagnosis.
CONCLUSIONS
CEUS features of PRSA are reported for the first time based on this case, potentially aiding in the differential diagnosis of this rare entity before surgery.
背景
原发性腹膜后浆液性腺癌（PRSA）是一种罕见的恶性疾病。由于该疾病罕见，PRSA 的影像学特征尚不清楚。对比增强超声（CEUS）在评估腹膜后病变的鉴别诊断中也起着重要作用。
病例介绍
我们报告了一例 62 岁女性患者，其 CA125 水平升高 1 年，转至我院就诊。进行增强 CT 和磁共振成像检查后，该肿块被误诊为巧克力囊肿。经阴道超声（TUS）联合 CEUS 检查后，考虑为囊腺癌的初步诊断。病理结果证实 PRSA 为最终诊断。
结论
基于此病例首次报道了 PRSA 的 CEUS 特征，有望在术前为这种罕见实体的鉴别诊断提供帮助。
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