Prenatal diagnosis of an adrenal mature teratoma mimicking a neuroblastoma.

IF 0.8 Q3 MEDICINE, GENERAL & INTERNAL
Camille Garcia, Giulia Fusi, Marion Gambart, Agnès Sartor, Anne Gomez-Mascard, Olivier Abbo
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Abstract

Teratomas are defined by the presence of cell types from different germ layers, they typically involve the gonads or the sacrococcygeal region and are rarely retroperitoneal. Prenatally detected adrenal teratomas are extremely uncommon. Aim of this paper is to share our experience with an adrenal antenatal mass initially diagnosed as a left adrenal neuroblastoma that turned out to be a mature teratoma after microscopical examination. We present the case of a male fetus with antenatal diagnosis of a left adrenal cystic image at the 22nd week of amenorrhea. The fetal magnetic resonance imaging showed a non-calcified cystic mass of the left adrenal gland, compatible with a neuroblastoma. At birth an ultrasound confirmed the presence of an anechogenic lesion of the left adrenal gland. The infant was closely monitored during his first year and in the absence of significant regression of the adrenal mass, it was decided to perform a laparoscopic left adrenalectomy. Unexpectedly, the final pathological diagnosis was mature cystic adrenal teratoma. In conclusion, an adrenal mass diagnosed antenatally is generally a hemorrhage or a neuroblastoma. Adrenal teratomas are very rare and those diagnosed antenatally even more. At present, we have no clinical, biological, or radiological evidence to suspect them before surgical removal. There are only two other cases of unexpected adrenal teratoma in infants described in Literature.

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模拟神经母细胞瘤的肾上腺成熟畸胎瘤的产前诊断。
畸胎瘤的定义是存在来自不同胚层的细胞类型,它们通常累及性腺或骶尾骨区域,很少发生在腹膜后。产前发现的肾上腺畸胎瘤极为罕见。本文的目的是分享我们的经验,最初诊断为左肾上腺神经母细胞瘤的产前肿块,显微镜检查后发现是一个成熟的畸胎瘤。我们提出的情况下,男性胎儿与产前诊断左肾上腺囊性影像22周闭经。胎儿核磁共振成像显示左侧肾上腺非钙化囊性肿块,与神经母细胞瘤相符。出生时,超声检查证实左肾上腺有无回声病变。在婴儿出生的第一年,我们对其进行了密切的监测,在肾上腺肿块没有明显消退的情况下,我们决定进行腹腔镜左肾上腺切除术。出乎意料的是,最终病理诊断为成熟囊性肾上腺畸胎瘤。总之,产前诊断的肾上腺肿块通常是出血或神经母细胞瘤。肾上腺畸胎瘤是非常罕见的,那些产前诊断甚至更多。目前,我们没有临床、生物学或放射学证据在手术切除前怀疑它们。在文献中,只有另外两例意外的婴儿肾上腺畸胎瘤。
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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