Nefroma mesoblástico del adulto. Un nuevo caso de un tumor agresivo

Q4 Medicine

Revista mexicana de urologia Pub Date : 2016-05-01 DOI:10.1016/j.uromx.2016.02.003

I. Jiménez-Vázquez , A.R. Aragón-Tovar , J.C. Sánchez-Venegas , A. Castro-Rodríguez , A. García-Mendoza , M.E. Huitrado-Duarte , A. Michel-Chávez

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Abstract

Background

Mesoblastic nephroma is a tumor that classically appears in childhood, and rarely in the adult. We present herein a case in an adult woman.

Methods

A 53-year-old woman presented with a palpable tumor, hematuria, and pain. A CAT scan revealed a heterogeneous left renal tumor. Left radical nephrectomy was performed.

Results

A lobulated tumor was obtained that measured 17 × 16 cm and weighed 1,850 g. When sliced, a solid, nodular, whitish tumor with a fibrous aspect was revealed. Microscopic study showed long spindle cells and thin vessels and tubules in the stroma. The tumor cells were positive for vimentin and there was no atypia.

Conclusion

The patient is recurrence-free at 2 years of surveillance. The tumor was a benign mesoblastic nephroma, but it was very large and with serious clinical repercussions. The patient requires continued surveillance because of possible large tumor recurrence.

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成人中胚层肾瘤。侵袭性肿瘤的新病例

背景:中母细胞肾瘤是一种典型的儿童肿瘤，很少发生于成人。我们在此提出一个成年妇女的病例。方法一名53岁女性，以可触及的肿瘤、血尿和疼痛为主要表现。ct扫描显示左肾非均匀肿瘤。行左肾根治术。结果获得一个分叶状肿瘤，大小为17 × 16 cm，重1,850 g。切片时，可见一个实心的、结节状的、呈纤维状的白色肿瘤。镜下可见间质中有长梭形细胞和细血管、小管。肿瘤细胞波形蛋白阳性，无异型性。结论随访2年无复发。肿瘤为良性间母细胞肾瘤，但肿瘤很大，临床反应严重。由于可能有较大的肿瘤复发，病人需要继续观察。

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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来源期刊

Revista mexicana de urologia Medicine-Urology

CiteScore

0.20

自引率

0.00%

发文量

期刊介绍： Revista Mexicana de Urología (RMU) [Mexican Journal of Urology] (ISSN: 0185-4542 / ISSN electronic: 2007-4085) is bimonthly publication that disseminates research by academicians and professionals of the international medical community interested in urological subjects, in the format of original articles, clinical cases, review articles brief communications and letters to the editor. Owing to its nature, it is publication with international scope that disseminates contributions in Spanish and English that are rigorously reviewed by peers under the double blind modality. Neither journalistic documents nor those that lack rigorous medical or scientific support are suitable for publication.