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