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MINERVA UROLOGICA E NEFROLOGICA
A Journal on Nephrology and Urology
Indexed/Abstracted in: EMBASE, PubMed/MEDLINE, Science Citation Index Expanded (SciSearch), Scopus
Impact Factor 0,536
Minerva Urologica e Nefrologica 1998 December;50(4):233-6
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
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.