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A Journal on Pediatrics, Neonatology, Adolescent Medicine,
Child and Adolescent Psychiatry

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Minerva Pediatrica 2003 April;55(2):175-80

language: Italian

Cystic dysplasia of rete testis associated with ipsilateral renal agenesis. Case report

Cimador M., Rosone G., Castagnetti M., Libri M., Bertozzi M., Lima M., De Grazia E.


Cystic dysplasia of the rete testis is a rare abnormality often associated with the ipsilateral agenesis of kidney. This malformation is due to a development defect of the mesonephric duct which is the cause of both the dilation of the testicular rete testis and renal agenesis. A case of this rare malformation, showing all the peculiarities described in the medical literature, is presented. A 3 years-4 months boy was examined for an asymptomatic left scrotal mass; thus, he underwent ultrasonography, which showed a multiple tubular and cystic dilatation of left rete testis, associated with the absence of left kidney, afterward confirmed by MAG3-radionuclide scan. Diagnosis was also validated by testicular biopsy. No surgery was required. The child is nowadays under observation and at 2-years follow-up he doesn't show any symptom. According to many authors, a conservative treatment of this benign congenital abnormality is suggested as well as serial ultrasonography to monitor the growth of the testicular mass, which in a longest follow-up, could require surgery. Malignant transformation nor infertility have never been described.

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