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Minerva Urologica e Nefrologica 1998 December;50(4):233-6

Copyright © 1999 EDIZIONI MINERVA MEDICA

language: English

Nonpalpable undescending testis. Value of magnetic resonance imaging

Sarihan H., Sari A., Abes M., Dinc H.

Karadeniz Technica University, Trabzon, Turkey, Department of Pediatric Surgery and Radiology, Faculty of Medicine


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Back­ground. Mag­netic res­o­nance ­imaging (MRI) was per­formed in 18 ­male ­patients ­with 20 non­pal­pable unde­scended ­testes and the ­results ­were com­pared ­with sur­gical find­ings.
­Methods. The MRI exam­ina­tion ­located 13 (65%) of 20 ­gonads, all ­found at sur­gery. ­Eleven ­testes ­were ­found in the ­inguinal ­canal or ­just prox­imal to the ­internal ­inguinal ­ring, and two ­testes ­were dem­on­strated ­above the ­internal ­inguinal ­ring.
­Results. Of the ­seven (35%) neg­a­tive ­results, ­three ­were ­false neg­a­tive and ­four age­netic ­testes ­were not ­found sur­gi­cally. ­There was no ­false pos­i­tive ­result. ­Thus, MRI had a sen­si­tivity of 78.6% and spec­i­ficity of 100% in the dem­on­stra­tion of non­pal­pable unde­scended ­testes.
Con­clu­sions. MRI ­appears to be a ­more reli­able and non­in­va­sive ­method for the local­iza­tion of non­pal­pable unde­scended ­testes.

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