Peran Teruel Miguel, Carrión López Pedro, Martínez Ruiz Jesús, Fernández Anguita Pedro Jesús, Salinas Sánchez Antonio S, Pastor Navarro Hector, Donate Moreno María José, Giménez Bachs José Miguel, Virseda Rodríguez Julio A
Urology Department, Complejo Hospitalario Universitario de Albacete, Spain.
Arch Esp Urol. 2012 Jun;65(5):567-70.
We report a case of supernumerary testis, a rare anomaly with only around 100 cases reported in the literature.
We describe the case of a 26-year-old man who consulted for a left paratesticular tumor. Physical examination and ultrasound showed a 2-cm nodular lesion over the left epididymis. The lesion was confirmed as supernumerary testis by surgical examination and biopsy and was subsequently excised, given the malignancy potential.
The supernumerary testis was evaluated using two standard classifications, one assessing function and embryological development, and the other assessing topography, anatomy, and reproductive potential.
The differential diagnosis for an intrascrotal mass should include the possibility of a supernumerary testis; hence, surgical examination and biopsy are necessary. Supernumerary testes should be excised in the case of pain, dysplasia, or in situ carcinoma, or whenever the biopsy is inconclusive.