Ovarian endometrioma: a report of a pediatric case diagnosed prior to menstruation.

IF 0.7 Q4 SURGERY Surgical Case Reports Pub Date : 2024-06-20 DOI:10.1186/s40792-024-01951-5

Lynne Takada, Takafumi Kawano, Keisuke Yano, Yumiko Iwamoto, Masato Ogata, Chihiro Kedoin, Masakazu Murakami, Koshiro Sugita, Shun Onishi, Mitsuru Muto, Mari Kirishima, Akihide Tanimoto, Satoshi Ieiri

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Abstract

Background: Ovarian endometriomas (OEs) are rarely found in the pediatric population, especially before menstruation. We report a 6-year-old girl who was postoperatively diagnosed with OE before menstruation.

Case presentation: A 6-year-old girl presented to a local pediatrician with abdominal pain and vomiting. Abdominal ultrasonography revealed a multilocular cystic lesion to the left of the bladder. Magnetic resonance imaging (MRI) revealed similar findings, with the contents of the cyst showing a low signal on T1-weighted imaging and a high signal on T2-weighted imaging. The patient was referred to our institution for further examination. Enhanced computed tomography (CT) showed a multilocular cystic lesion sized 56 × 44 × 30 mm with partial calcification. The left ovarian vein was dilated, suggesting the origin of the tumor to be the left ovary. Extirpation of the lesion was performed under laparoscopic assistance. Pathological findings indicated an ovarian endometrioma. To our knowledge, this is the youngest report of an OE diagnosed in a patient prior to menstruation.

Conclusions: OEs in children before menstruation are extremely rare; thus, the long-term prognosis is yet to be determined.

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卵巢子宫内膜异位症：月经前诊断的一例儿科病例报告。

背景：卵巢子宫内膜异位症（OE）很少在儿童中发现，尤其是在月经来潮前。我们报告了一名术后诊断为月经前卵巢子宫内膜异位症的 6 岁女孩的病例：一名 6 岁女孩因腹痛和呕吐就诊于当地儿科医生。腹部超声波检查发现，膀胱左侧有一个多囊性病变。磁共振成像（MRI）显示了类似的结果，囊肿内容物在T1加权成像上呈低信号，而在T2加权成像上呈高信号。患者被转到我院接受进一步检查。增强计算机断层扫描（CT）显示，该囊肿为多房性，大小为 56 × 44 × 30 毫米，部分钙化。左侧卵巢静脉扩张，提示肿瘤起源于左侧卵巢。在腹腔镜辅助下对病灶进行了切除。病理结果显示为卵巢子宫内膜瘤。据我们所知，这是在月经前诊断出卵巢肿瘤的最年轻报告：结论：儿童月经前卵巢内膜异位症极为罕见，因此，其长期预后尚待确定。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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