https://doi.org/10.4081/aiua.2020.3.273

Renal myxoma: An unforeseen diagnosis

Vol. 92 No. 3 (2020)
Published: October 2, 2020
Kidney; Cancer; Myxoma
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Authors

Rui Miguel Bernardino
ruimmbernardino@gmail.com
Urology Department, Central Lisbon Hospital Center, Lisbon, Portugal.
Luis Severo
Urology Department, Central Lisbon Hospital Center, Lisbon, Portugal.
Luis Mascarenhas Lemos
Pathology Department, Central Lisbon Hospital Center, Lisbon, Portugal.
Luis Campos Pinheiro
Urology Department, Central Lisbon Hospital Center, Lisbon, Portugal.

Myxomas are rare tumours that can be found in many anatomical locations. There are only 17 cases of renal involvement documented. Our case is an 85 year-old man followed in our consultation with recurrent hematuria after a transurethral resection of a bladder tumour. Evaluation with CT showed a solid lesion with 23 x 18 mm partially obliterating the left inferior calyx. The patient underwent a left nephroureterectomy. Microscopic examination showed a mass within renal parenchyma adjacent to the renal pelvis composed of plump mildly atypical spindle cells distributed in a copious myxoid matrix. Immunohistochemical staining for Vimentine, Pankeratin (AE1/AE3-), CD34, CD31 and smooth muscle actin were negative. With these histopathological and immunohistochemical findings, the case was diagnosed as renal myxoma.

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How to Cite

Bernardino, R. M., Severo, L., Lemos, L. M., & Pinheiro, L. C. (2020). Renal myxoma: An unforeseen diagnosis. Archivio Italiano Di Urologia E Andrologia, 92(3). https://doi.org/10.4081/aiua.2020.3.273

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